diff --git a/GCDWebDAVServer/GCDWebDAVServer.m b/GCDWebDAVServer/GCDWebDAVServer.m
index 4b51762..c7341fa 100644
--- a/GCDWebDAVServer/GCDWebDAVServer.m
+++ b/GCDWebDAVServer/GCDWebDAVServer.m
@@ -25,6 +25,10 @@
  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#if !__has_feature(objc_arc)
+#error GCDWebDAVServer requires ARC
+#endif
+
 // WebDAV specifications: http://webdav.org/specs/rfc4918.html
 
 // Requires "HEADER_SEARCH_PATHS = $(SDKROOT)/usr/include/libxml2" in Xcode build settings
@@ -418,9 +422,6 @@ static inline xmlNodePtr _XMLChildWithName(xmlNodePtr child, const xmlChar* name
     }
     if (!success) {
       NSString* string = [[NSString alloc] initWithData:request.data encoding:NSUTF8StringEncoding];
-#if !__has_feature(objc_arc)
-      [string autorelease];
-#endif
       return [GCDWebServerErrorResponse responseWithClientError:kGCDWebServerHTTPStatusCode_BadRequest message:@"Invalid DAV properties:\n%@", string];
     }
   } else {
@@ -519,9 +520,6 @@ static inline xmlNodePtr _XMLChildWithName(xmlNodePtr child, const xmlChar* name
   }
   if (!success) {
     NSString* string = [[NSString alloc] initWithData:request.data encoding:NSUTF8StringEncoding];
-#if !__has_feature(objc_arc)
-    [string autorelease];
-#endif
     return [GCDWebServerErrorResponse responseWithClientError:kGCDWebServerHTTPStatusCode_BadRequest message:@"Invalid DAV properties:\n%@", string];
   }
   
@@ -607,11 +605,7 @@ static inline xmlNodePtr _XMLChildWithName(xmlNodePtr child, const xmlChar* name
 - (instancetype)initWithUploadDirectory:(NSString*)path {
   if ((self = [super init])) {
     _uploadDirectory = [[path stringByStandardizingPath] copy];
-#if __has_feature(objc_arc)
     GCDWebDAVServer* __unsafe_unretained server = self;
-#else
-    __block GCDWebDAVServer* server = self;
-#endif
     
     // 9.1 PROPFIND method
     [self addDefaultHandlerForMethod:@"PROPFIND" requestClass:[GCDWebServerDataRequest class] processBlock:^GCDWebServerResponse *(GCDWebServerRequest* request) {
@@ -667,17 +661,6 @@ static inline xmlNodePtr _XMLChildWithName(xmlNodePtr child, const xmlChar* name
   return self;
 }
 
-#if !__has_feature(objc_arc)
-
-- (void)dealloc {
-  [_uploadDirectory release];
-  [_allowedExtensions release];
-  
-  [super dealloc];
-}
-
-#endif
-
 @end
 
 @implementation GCDWebDAVServer (Subclassing)
diff --git a/GCDWebServer/Core/GCDWebServer.m b/GCDWebServer/Core/GCDWebServer.m
index 9ec0fee..852a9db 100644
--- a/GCDWebServer/Core/GCDWebServer.m
+++ b/GCDWebServer/Core/GCDWebServer.m
@@ -25,6 +25,10 @@
  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#if !__has_feature(objc_arc)
+#error GCDWebServer requires ARC
+#endif
+
 #import <TargetConditionals.h>
 #if TARGET_OS_IPHONE
 #import <UIKit/UIKit.h>
@@ -93,7 +97,6 @@ void GCDWebServerLogMessage(GCDWebServerLoggingLevel level, NSString* format, ..
     NSString* message = [[NSString alloc] initWithFormat:format arguments:arguments];
     va_end(arguments);
     fprintf(stderr, "[%s] %s\n", levelNames[level], [message UTF8String]);
-    ARC_RELEASE(message);
   }
 }
 
@@ -142,13 +145,6 @@ static void _ExecuteMainThreadRunLoopSources() {
   return self;
 }
 
-- (void)dealloc {
-  ARC_RELEASE(_matchBlock);
-  ARC_RELEASE(_asyncProcessBlock);
-  
-  ARC_DEALLOC(super);
-}
-
 @end
 
 @interface GCDWebServer () {
@@ -212,11 +208,10 @@ static void _ExecuteMainThreadRunLoopSources() {
   GWS_DCHECK(_options == nil);  // The server can never be dealloc'ed while running because of the retain-cycle with the dispatch source
   GWS_DCHECK(_disconnectTimer == NULL);  // The server can never be dealloc'ed while the disconnect timer is pending because of the retain-cycle
   
-  ARC_RELEASE(_handlers);
-  ARC_DISPATCH_RELEASE(_sourceGroup);
-  ARC_DISPATCH_RELEASE(_syncQueue);
-  
-  ARC_DEALLOC(super);
+#if !OS_OBJECT_USE_OBJC_RETAIN_RELEASE
+  dispatch_release(_sourceGroup);
+  dispatch_release(_syncQueue);
+#endif
 }
 
 #if TARGET_OS_IPHONE
@@ -339,12 +334,12 @@ static void _ExecuteMainThreadRunLoopSources() {
 
 - (NSString*)bonjourName {
   CFStringRef name = _resolutionService ? CFNetServiceGetName(_resolutionService) : NULL;
-  return name && CFStringGetLength(name) ? ARC_BRIDGE_RELEASE(CFStringCreateCopy(kCFAllocatorDefault, name)) : nil;
+  return name && CFStringGetLength(name) ? CFBridgingRelease(CFStringCreateCopy(kCFAllocatorDefault, name)) : nil;
 }
 
 - (NSString*)bonjourType {
   CFStringRef type = _resolutionService ? CFNetServiceGetType(_resolutionService) : NULL;
-  return type && CFStringGetLength(type) ? ARC_BRIDGE_RELEASE(CFStringCreateCopy(kCFAllocatorDefault, type)) : nil;
+  return type && CFStringGetLength(type) ? CFBridgingRelease(CFStringCreateCopy(kCFAllocatorDefault, type)) : nil;
 }
 
 - (void)addHandlerWithMatchBlock:(GCDWebServerMatchBlock)matchBlock processBlock:(GCDWebServerProcessBlock)processBlock {
@@ -357,7 +352,6 @@ static void _ExecuteMainThreadRunLoopSources() {
   GWS_DCHECK(_options == nil);
   GCDWebServerHandler* handler = [[GCDWebServerHandler alloc] initWithMatchBlock:matchBlock asyncProcessBlock:processBlock];
   [_handlers insertObject:handler atIndex:0];
-  ARC_RELEASE(handler);
 }
 
 - (void)removeAllHandlers {
@@ -371,7 +365,7 @@ static void _NetServiceRegisterCallBack(CFNetServiceRef service, CFStreamError*
     if (error->error) {
       GWS_LOG_ERROR(@"Bonjour registration error %i (domain %i)", (int)error->error, (int)error->domain);
     } else {
-      GCDWebServer* server = (ARC_BRIDGE GCDWebServer*)info;
+      GCDWebServer* server = (__bridge GCDWebServer*)info;
       GWS_LOG_VERBOSE(@"Bonjour registration complete for %@", [server class]);
       CFNetServiceResolveWithTimeout(server->_resolutionService, 1.0, NULL);
     }
@@ -386,7 +380,7 @@ static void _NetServiceResolveCallBack(CFNetServiceRef service, CFStreamError* e
         GWS_LOG_ERROR(@"Bonjour resolution error %i (domain %i)", (int)error->error, (int)error->domain);
       }
     } else {
-      GCDWebServer* server = (ARC_BRIDGE GCDWebServer*)info;
+      GCDWebServer* server = (__bridge GCDWebServer*)info;
       GWS_LOG_INFO(@"%@ now reachable at %@", [server class], server.bonjourServerURL);
       if ([server.delegate respondsToSelector:@selector(webServerDidCompleteBonjourRegistration:)]) {
         [server.delegate webServerDidCompleteBonjourRegistration:server];
@@ -407,7 +401,7 @@ static inline NSString* _EncodeBase64(NSString* string) {
     return [data base64Encoding];
   }
 #endif
-  return ARC_AUTORELEASE([[NSString alloc] initWithData:[data base64EncodedDataWithOptions:0] encoding:NSASCIIStringEncoding]);
+  return [[NSString alloc] initWithData:[data base64EncodedDataWithOptions:0] encoding:NSASCIIStringEncoding];
 }
 
 - (int)_createListeningSocket:(BOOL)useIPv6
@@ -487,11 +481,7 @@ static inline NSString* _EncodeBase64(NSString* string) {
         setsockopt(socket, SOL_SOCKET, SO_NOSIGPIPE, &noSigPipe, sizeof(noSigPipe));  // Make sure this socket cannot generate SIG_PIPE
         
         GCDWebServerConnection* connection = [[_connectionClass alloc] initWithServer:self localAddress:localAddress remoteAddress:remoteAddress socket:socket];  // Connection will automatically retain itself while opened
-#if __has_feature(objc_arc)
         [connection self];  // Prevent compiler from complaining about unused variable / useless statement
-#else
-        [connection release];
-#endif
       } else {
         GWS_LOG_ERROR(@"Failed accepting %s socket: %s (%i)", isIPv6 ? "IPv6" : "IPv4", strerror(errno), errno);
       }
@@ -568,9 +558,9 @@ static inline NSString* _EncodeBase64(NSString* string) {
   NSString* bonjourName = _GetOption(_options, GCDWebServerOption_BonjourName, @"");
   NSString* bonjourType = _GetOption(_options, GCDWebServerOption_BonjourType, @"_http._tcp");
   if (bonjourName) {
-    _registrationService = CFNetServiceCreate(kCFAllocatorDefault, CFSTR("local."), (ARC_BRIDGE CFStringRef)bonjourType, (ARC_BRIDGE CFStringRef)(bonjourName.length ? bonjourName : _serverName), (SInt32)_port);
+    _registrationService = CFNetServiceCreate(kCFAllocatorDefault, CFSTR("local."), (__bridge CFStringRef)bonjourType, (__bridge CFStringRef)(bonjourName.length ? bonjourName : _serverName), (SInt32)_port);
     if (_registrationService) {
-      CFNetServiceClientContext context = {0, (ARC_BRIDGE void*)self, NULL, NULL, NULL};
+      CFNetServiceClientContext context = {0, (__bridge void*)self, NULL, NULL, NULL};
       
       CFNetServiceSetClient(_registrationService, _NetServiceRegisterCallBack, &context);
       CFNetServiceScheduleWithRunLoop(_registrationService, CFRunLoopGetMain(), kCFRunLoopCommonModes);
@@ -620,19 +610,19 @@ static inline NSString* _EncodeBase64(NSString* string) {
   dispatch_source_cancel(_source6);
   dispatch_source_cancel(_source4);
   dispatch_group_wait(_sourceGroup, DISPATCH_TIME_FOREVER);  // Wait until the cancellation handlers have been called which guarantees the listening sockets are closed
-  ARC_DISPATCH_RELEASE(_source6);
+#if !OS_OBJECT_USE_OBJC_RETAIN_RELEASE
+  dispatch_release(_source6);
+#endif
   _source6 = NULL;
-  ARC_DISPATCH_RELEASE(_source4);
+#if !OS_OBJECT_USE_OBJC_RETAIN_RELEASE
+  dispatch_release(_source4);
+#endif
   _source4 = NULL;
   _port = 0;
   
-  ARC_RELEASE(_serverName);
   _serverName = nil;
-  ARC_RELEASE(_authenticationRealm);
   _authenticationRealm = nil;
-  ARC_RELEASE(_authenticationBasicAccounts);
   _authenticationBasicAccounts = nil;
-  ARC_RELEASE(_authenticationDigestAccounts);
   _authenticationDigestAccounts = nil;
   
   dispatch_async(dispatch_get_main_queue(), ^{
@@ -682,7 +672,6 @@ static inline NSString* _EncodeBase64(NSString* string) {
     if (![self _start:error])
 #endif
     {
-      ARC_RELEASE(_options);
       _options = nil;
       return NO;
     }
@@ -714,7 +703,6 @@ static inline NSString* _EncodeBase64(NSString* string) {
     if (_source4) {
       [self _stop];
     }
-    ARC_RELEASE(_options);
     _options = nil;
   } else {
     GWS_DNOT_REACHED();
@@ -741,7 +729,7 @@ static inline NSString* _EncodeBase64(NSString* string) {
 
 - (NSURL*)bonjourServerURL {
   if (_source4 && _resolutionService) {
-    NSString* name = (ARC_BRIDGE NSString*)CFNetServiceGetTargetHost(_resolutionService);
+    NSString* name = (__bridge NSString*)CFNetServiceGetTargetHost(_resolutionService);
     if (name.length) {
       name = [name substringToIndex:(name.length - 1)];  // Strip trailing period at end of domain
       if (_port != 80) {
@@ -813,7 +801,7 @@ static inline NSString* _EncodeBase64(NSString* string) {
     if (![requestMethod isEqualToString:method]) {
       return nil;
     }
-    return ARC_AUTORELEASE([[aClass alloc] initWithMethod:requestMethod url:requestURL headers:requestHeaders path:urlPath query:urlQuery]);
+    return [[aClass alloc] initWithMethod:requestMethod url:requestURL headers:requestHeaders path:urlPath query:urlQuery];
     
   } asyncProcessBlock:block];
 }
@@ -834,7 +822,7 @@ static inline NSString* _EncodeBase64(NSString* string) {
       if ([urlPath caseInsensitiveCompare:path] != NSOrderedSame) {
         return nil;
       }
-      return ARC_AUTORELEASE([[aClass alloc] initWithMethod:requestMethod url:requestURL headers:requestHeaders path:urlPath query:urlQuery]);
+      return [[aClass alloc] initWithMethod:requestMethod url:requestURL headers:requestHeaders path:urlPath query:urlQuery];
       
     } asyncProcessBlock:block];
   } else {
@@ -872,7 +860,7 @@ static inline NSString* _EncodeBase64(NSString* string) {
 
       GCDWebServerRequest* request = [[aClass alloc] initWithMethod:requestMethod url:requestURL headers:requestHeaders path:urlPath query:urlQuery];
       [request setAttribute:captures forKey:GCDWebServerRequestAttribute_RegexCaptures];
-      return ARC_AUTORELEASE(request);
+      return request;
       
     } asyncProcessBlock:block];
   } else {
@@ -939,11 +927,7 @@ static inline NSString* _EncodeBase64(NSString* string) {
 
 - (void)addGETHandlerForBasePath:(NSString*)basePath directoryPath:(NSString*)directoryPath indexFilename:(NSString*)indexFilename cacheAge:(NSUInteger)cacheAge allowRangeRequests:(BOOL)allowRangeRequests {
   if ([basePath hasPrefix:@"/"] && [basePath hasSuffix:@"/"]) {
-#if __has_feature(objc_arc)
     GCDWebServer* __unsafe_unretained server = self;
-#else
-    __block GCDWebServer* server = self;
-#endif
     [self addHandlerWithMatchBlock:^GCDWebServerRequest *(NSString* requestMethod, NSURL* requestURL, NSDictionary* requestHeaders, NSString* urlPath, NSDictionary* urlQuery) {
       
       if (![requestMethod isEqualToString:@"GET"]) {
@@ -952,7 +936,7 @@ static inline NSString* _EncodeBase64(NSString* string) {
       if (![urlPath hasPrefix:basePath]) {
         return nil;
       }
-      return ARC_AUTORELEASE([[GCDWebServerRequest alloc] initWithMethod:requestMethod url:requestURL headers:requestHeaders path:urlPath query:urlQuery]);
+      return [[GCDWebServerRequest alloc] initWithMethod:requestMethod url:requestURL headers:requestHeaders path:urlPath query:urlQuery];
       
     } processBlock:^GCDWebServerResponse *(GCDWebServerRequest* request) {
       
@@ -1008,28 +992,28 @@ static inline NSString* _EncodeBase64(NSString* string) {
 - (void)logVerbose:(NSString*)format, ... {
   va_list arguments;
   va_start(arguments, format);
-  GWS_LOG_VERBOSE(@"%@", ARC_AUTORELEASE([[NSString alloc] initWithFormat:format arguments:arguments]));
+  GWS_LOG_VERBOSE(@"%@", [[NSString alloc] initWithFormat:format arguments:arguments]);
   va_end(arguments);
 }
 
 - (void)logInfo:(NSString*)format, ... {
   va_list arguments;
   va_start(arguments, format);
-  GWS_LOG_INFO(@"%@", ARC_AUTORELEASE([[NSString alloc] initWithFormat:format arguments:arguments]));
+  GWS_LOG_INFO(@"%@", [[NSString alloc] initWithFormat:format arguments:arguments]);
   va_end(arguments);
 }
 
 - (void)logWarning:(NSString*)format, ... {
   va_list arguments;
   va_start(arguments, format);
-  GWS_LOG_WARNING(@"%@", ARC_AUTORELEASE([[NSString alloc] initWithFormat:format arguments:arguments]));
+  GWS_LOG_WARNING(@"%@", [[NSString alloc] initWithFormat:format arguments:arguments]);
   va_end(arguments);
 }
 
 - (void)logError:(NSString*)format, ... {
   va_list arguments;
   va_start(arguments, format);
-  GWS_LOG_ERROR(@"%@", ARC_AUTORELEASE([[NSString alloc] initWithFormat:format arguments:arguments]));
+  GWS_LOG_ERROR(@"%@", [[NSString alloc] initWithFormat:format arguments:arguments]);
   va_end(arguments);
 }
 
@@ -1093,7 +1077,6 @@ static CFHTTPMessageRef _CreateHTTPMessageFromPerformingRequest(NSData* inData,
         } else {
           GWS_DNOT_REACHED();
         }
-        ARC_RELEASE(outData);
       }
     }
     close(httpSocket);
@@ -1107,7 +1090,6 @@ static void _LogResult(NSString* format, ...) {
   NSString* message = [[NSString alloc] initWithFormat:format arguments:arguments];
   va_end(arguments);
   fprintf(stdout, "%s\n", [message UTF8String]);
-  ARC_RELEASE(message);
 }
 
 - (NSInteger)runTestsWithOptions:(NSDictionary*)options inDirectory:(NSString*)path {
@@ -1130,8 +1112,8 @@ static void _LogResult(NSString* format, ...) {
         if (requestData) {
           CFHTTPMessageRef request = _CreateHTTPMessageFromData(requestData, YES);
           if (request) {
-            NSString* requestMethod = ARC_BRIDGE_RELEASE(CFHTTPMessageCopyRequestMethod(request));
-            NSURL* requestURL = ARC_BRIDGE_RELEASE(CFHTTPMessageCopyRequestURL(request));
+            NSString* requestMethod = CFBridgingRelease(CFHTTPMessageCopyRequestMethod(request));
+            NSURL* requestURL = CFBridgingRelease(CFHTTPMessageCopyRequestURL(request));
             _LogResult(@"[%i] %@ %@", (int)[index integerValue], requestMethod, requestURL.path);
             NSString* prefix = [index stringByAppendingString:@"-"];
             for (NSString* responseFile in files) {
@@ -1151,8 +1133,8 @@ static void _LogResult(NSString* format, ...) {
                         success = NO;
                       }
                       
-                      NSDictionary* expectedHeaders = ARC_BRIDGE_RELEASE(CFHTTPMessageCopyAllHeaderFields(expectedResponse));
-                      NSDictionary* actualHeaders = ARC_BRIDGE_RELEASE(CFHTTPMessageCopyAllHeaderFields(actualResponse));
+                      NSDictionary* expectedHeaders = CFBridgingRelease(CFHTTPMessageCopyAllHeaderFields(expectedResponse));
+                      NSDictionary* actualHeaders = CFBridgingRelease(CFHTTPMessageCopyAllHeaderFields(actualResponse));
                       for (NSString* expectedHeader in expectedHeaders) {
                         if ([ignoredHeaders containsObject:expectedHeader]) {
                           continue;
@@ -1171,10 +1153,10 @@ static void _LogResult(NSString* format, ...) {
                         }
                       }
                       
-                      NSString* expectedContentLength = ARC_BRIDGE_RELEASE(CFHTTPMessageCopyHeaderFieldValue(expectedResponse, CFSTR("Content-Length")));
-                      NSData* expectedBody = ARC_BRIDGE_RELEASE(CFHTTPMessageCopyBody(expectedResponse));
-                      NSString* actualContentLength = ARC_BRIDGE_RELEASE(CFHTTPMessageCopyHeaderFieldValue(actualResponse, CFSTR("Content-Length")));
-                      NSData* actualBody = ARC_BRIDGE_RELEASE(CFHTTPMessageCopyBody(actualResponse));
+                      NSString* expectedContentLength = CFBridgingRelease(CFHTTPMessageCopyHeaderFieldValue(expectedResponse, CFSTR("Content-Length")));
+                      NSData* expectedBody = CFBridgingRelease(CFHTTPMessageCopyBody(expectedResponse));
+                      NSString* actualContentLength = CFBridgingRelease(CFHTTPMessageCopyHeaderFieldValue(actualResponse, CFSTR("Content-Length")));
+                      NSData* actualBody = CFBridgingRelease(CFHTTPMessageCopyBody(actualResponse));
                       if ([actualContentLength isEqualToString:expectedContentLength] && (actualBody.length > expectedBody.length)) {  // Handle web browser closing connection before retrieving entire body (e.g. when playing a video file)
                         actualBody = [actualBody subdataWithRange:NSMakeRange(0, expectedBody.length)];
                       }
@@ -1191,7 +1173,6 @@ static void _LogResult(NSString* format, ...) {
                             [task setLaunchPath:@"/usr/bin/opendiff"];
                             [task setArguments:@[expectedPath, actualPath]];
                             [task launch];
-                            ARC_RELEASE(task);
                           }
                         }
 #endif
diff --git a/GCDWebServer/Core/GCDWebServerConnection.m b/GCDWebServer/Core/GCDWebServerConnection.m
index 7c08f00..d4e3f39 100644
--- a/GCDWebServer/Core/GCDWebServerConnection.m
+++ b/GCDWebServer/Core/GCDWebServerConnection.m
@@ -25,6 +25,10 @@
  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#if !__has_feature(objc_arc)
+#error GCDWebServer requires ARC
+#endif
+
 #import <TargetConditionals.h>
 #import <netdb.h>
 #ifdef __GCDWEBSERVER_ENABLE_TESTING__
@@ -172,7 +176,6 @@ static int32_t _connectionCounter = 0;
     }
     
   }];
-  ARC_RELEASE(bodyData);
 }
 
 static inline NSUInteger _ScanHexNumber(const void* bytes, NSUInteger size) {
@@ -244,15 +247,8 @@ static inline NSUInteger _ScanHexNumber(const void* bytes, NSUInteger size) {
 @implementation GCDWebServerConnection (Write)
 
 - (void)_writeData:(NSData*)data withCompletionBlock:(WriteDataCompletionBlock)block {
-#if !__has_feature(objc_arc)
-  [data retain];
-#endif
   dispatch_data_t buffer = dispatch_data_create(data.bytes, data.length, kGCDWebServerGCDQueue, ^{
-#if __has_feature(objc_arc)
     [data self];  // Keeps ARC from releasing data too early
-#else
-    [data release];
-#endif
   });
   dispatch_write(_socket, buffer, kGCDWebServerGCDQueue, ^(dispatch_data_t remainingData, int error) {
     
@@ -268,13 +264,15 @@ static inline NSUInteger _ScanHexNumber(const void* bytes, NSUInteger size) {
     }
     
   });
-  ARC_DISPATCH_RELEASE(buffer);
+#if !OS_OBJECT_USE_OBJC_RETAIN_RELEASE
+  dispatch_release(buffer);
+#endif
 }
 
 - (void)_writeHeadersWithCompletionBlock:(WriteHeadersCompletionBlock)block {
   GWS_DCHECK(_responseMessage);
   CFDataRef data = CFHTTPMessageCopySerializedMessage(_responseMessage);
-  [self _writeData:(ARC_BRIDGE NSData*)data withCompletionBlock:block];
+  [self _writeData:(__bridge NSData*)data withCompletionBlock:block];
   CFRelease(data);
 }
 
@@ -349,11 +347,7 @@ static inline NSUInteger _ScanHexNumber(const void* bytes, NSUInteger size) {
   }
   if (_continueData == nil) {
     CFHTTPMessageRef message = CFHTTPMessageCreateResponse(kCFAllocatorDefault, 100, NULL, kCFHTTPVersion1_1);
-#if __has_feature(objc_arc)
     _continueData = CFBridgingRelease(CFHTTPMessageCopySerializedMessage(message));
-#else
-    _continueData = (NSData*)CFHTTPMessageCopySerializedMessage(message);
-#endif
     CFRelease(message);
     GWS_DCHECK(_continueData);
   }
@@ -362,7 +356,7 @@ static inline NSUInteger _ScanHexNumber(const void* bytes, NSUInteger size) {
   }
   if (_digestAuthenticationNonce == nil) {
     CFUUIDRef uuid = CFUUIDCreate(kCFAllocatorDefault);
-    _digestAuthenticationNonce = ARC_RETAIN(GCDWebServerComputeMD5Digest(@"%@", ARC_BRIDGE_RELEASE(CFUUIDCreateString(kCFAllocatorDefault, uuid))));
+    _digestAuthenticationNonce = GCDWebServerComputeMD5Digest(@"%@", CFBridgingRelease(CFUUIDCreateString(kCFAllocatorDefault, uuid)));
     CFRelease(uuid);
   }
 }
@@ -376,8 +370,8 @@ static inline NSUInteger _ScanHexNumber(const void* bytes, NSUInteger size) {
   _statusCode = statusCode;
   _responseMessage = CFHTTPMessageCreateResponse(kCFAllocatorDefault, statusCode, NULL, kCFHTTPVersion1_1);
   CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Connection"), CFSTR("Close"));
-  CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Server"), (ARC_BRIDGE CFStringRef)_server.serverName);
-  CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Date"), (ARC_BRIDGE CFStringRef)GCDWebServerFormatRFC822([NSDate date]));
+  CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Server"), (__bridge CFStringRef)_server.serverName);
+  CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Date"), (__bridge CFStringRef)GCDWebServerFormatRFC822([NSDate date]));
 }
 
 - (void)_startProcessingRequest {
@@ -410,36 +404,36 @@ static inline NSUInteger _ScanHexNumber(const void* bytes, NSUInteger size) {
     if (hasBody && ![response performOpen:&error]) {
       GWS_LOG_ERROR(@"Failed opening response body for socket %i: %@", _socket, error);
     } else {
-      _response = ARC_RETAIN(response);
+      _response = response;
     }
   }
   
   if (_response) {
     [self _initializeResponseHeadersWithStatusCode:_response.statusCode];
     if (_response.lastModifiedDate) {
-      CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Last-Modified"), (ARC_BRIDGE CFStringRef)GCDWebServerFormatRFC822(_response.lastModifiedDate));
+      CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Last-Modified"), (__bridge CFStringRef)GCDWebServerFormatRFC822(_response.lastModifiedDate));
     }
     if (_response.eTag) {
-      CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("ETag"), (ARC_BRIDGE CFStringRef)_response.eTag);
+      CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("ETag"), (__bridge CFStringRef)_response.eTag);
     }
     if ((_response.statusCode >= 200) && (_response.statusCode < 300)) {
       if (_response.cacheControlMaxAge > 0) {
-        CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Cache-Control"), (ARC_BRIDGE CFStringRef)[NSString stringWithFormat:@"max-age=%i, public", (int)_response.cacheControlMaxAge]);
+        CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Cache-Control"), (__bridge CFStringRef)[NSString stringWithFormat:@"max-age=%i, public", (int)_response.cacheControlMaxAge]);
       } else {
         CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Cache-Control"), CFSTR("no-cache"));
       }
     }
     if (_response.contentType != nil) {
-      CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Content-Type"), (ARC_BRIDGE CFStringRef)GCDWebServerNormalizeHeaderValue(_response.contentType));
+      CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Content-Type"), (__bridge CFStringRef)GCDWebServerNormalizeHeaderValue(_response.contentType));
     }
     if (_response.contentLength != NSUIntegerMax) {
-      CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Content-Length"), (ARC_BRIDGE CFStringRef)[NSString stringWithFormat:@"%lu", (unsigned long)_response.contentLength]);
+      CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Content-Length"), (__bridge CFStringRef)[NSString stringWithFormat:@"%lu", (unsigned long)_response.contentLength]);
     }
     if (_response.usesChunkedTransferEncoding) {
       CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Transfer-Encoding"), CFSTR("chunked"));
     }
     [_response.additionalHeaders enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL* stop) {
-      CFHTTPMessageSetHeaderFieldValue(_responseMessage, (ARC_BRIDGE CFStringRef)key, (ARC_BRIDGE CFStringRef)obj);
+      CFHTTPMessageSetHeaderFieldValue(_responseMessage, (__bridge CFStringRef)key, (__bridge CFStringRef)obj);
     }];
     [self _writeHeadersWithCompletionBlock:^(BOOL success) {
       
@@ -524,7 +518,6 @@ static inline NSUInteger _ScanHexNumber(const void* bytes, NSUInteger size) {
     }
     
   }];
-  ARC_RELEASE(chunkData);
 }
 
 - (void)_readRequestHeaders {
@@ -533,23 +526,23 @@ static inline NSUInteger _ScanHexNumber(const void* bytes, NSUInteger size) {
   [self _readHeaders:headersData withCompletionBlock:^(NSData* extraData) {
     
     if (extraData) {
-      NSString* requestMethod = ARC_BRIDGE_RELEASE(CFHTTPMessageCopyRequestMethod(_requestMessage));  // Method verbs are case-sensitive and uppercase
+      NSString* requestMethod = CFBridgingRelease(CFHTTPMessageCopyRequestMethod(_requestMessage));  // Method verbs are case-sensitive and uppercase
       if (_server.shouldAutomaticallyMapHEADToGET && [requestMethod isEqualToString:@"HEAD"]) {
         requestMethod = @"GET";
         _virtualHEAD = YES;
       }
-      NSDictionary* requestHeaders = ARC_BRIDGE_RELEASE(CFHTTPMessageCopyAllHeaderFields(_requestMessage));  // Header names are case-insensitive but CFHTTPMessageCopyAllHeaderFields() will standardize the common ones
-      NSURL* requestURL = ARC_BRIDGE_RELEASE(CFHTTPMessageCopyRequestURL(_requestMessage));
+      NSDictionary* requestHeaders = CFBridgingRelease(CFHTTPMessageCopyAllHeaderFields(_requestMessage));  // Header names are case-insensitive but CFHTTPMessageCopyAllHeaderFields() will standardize the common ones
+      NSURL* requestURL = CFBridgingRelease(CFHTTPMessageCopyRequestURL(_requestMessage));
       if (requestURL) {
         requestURL = [self rewriteRequestURL:requestURL withMethod:requestMethod headers:requestHeaders];
         GWS_DCHECK(requestURL);
       }
-      NSString* requestPath = requestURL ? GCDWebServerUnescapeURLString(ARC_BRIDGE_RELEASE(CFURLCopyPath((CFURLRef)requestURL))) : nil;  // Don't use -[NSURL path] which strips the ending slash
-      NSString* queryString = requestURL ? ARC_BRIDGE_RELEASE(CFURLCopyQueryString((CFURLRef)requestURL, NULL)) : nil;  // Don't use -[NSURL query] to make sure query is not unescaped;
+      NSString* requestPath = requestURL ? GCDWebServerUnescapeURLString(CFBridgingRelease(CFURLCopyPath((CFURLRef)requestURL))) : nil;  // Don't use -[NSURL path] which strips the ending slash
+      NSString* queryString = requestURL ? CFBridgingRelease(CFURLCopyQueryString((CFURLRef)requestURL, NULL)) : nil;  // Don't use -[NSURL query] to make sure query is not unescaped;
       NSDictionary* requestQuery = queryString ? GCDWebServerParseURLEncodedForm(queryString) : @{};
       if (requestMethod && requestURL && requestHeaders && requestPath && requestQuery) {
         for (_handler in _server.handlers) {
-          _request = ARC_RETAIN(_handler.matchBlock(requestMethod, requestURL, requestHeaders, requestPath, requestQuery));
+          _request = _handler.matchBlock(requestMethod, requestURL, requestHeaders, requestPath, requestQuery);
           if (_request) {
             break;
           }
@@ -604,14 +597,13 @@ static inline NSUInteger _ScanHexNumber(const void* bytes, NSUInteger size) {
     }
     
   }];
-  ARC_RELEASE(headersData);
 }
 
 - (id)initWithServer:(GCDWebServer*)server localAddress:(NSData*)localAddress remoteAddress:(NSData*)remoteAddress socket:(CFSocketNativeHandle)socket {
   if ((self = [super init])) {
-    _server = ARC_RETAIN(server);
-    _localAddress = ARC_RETAIN(localAddress);
-    _remoteAddress = ARC_RETAIN(remoteAddress);
+    _server = server;
+    _localAddress = localAddress;
+    _remoteAddress = remoteAddress;
     _socket = socket;
     GWS_LOG_DEBUG(@"Did open connection on socket %i", _socket);
     
@@ -619,7 +611,6 @@ static inline NSUInteger _ScanHexNumber(const void* bytes, NSUInteger size) {
     
     if (![self open]) {
       close(_socket);
-      ARC_RELEASE(self);
       return nil;
     }
     _opened = YES;
@@ -650,26 +641,14 @@ static inline NSUInteger _ScanHexNumber(const void* bytes, NSUInteger size) {
   }
   
   [_server didEndConnection:self];
-  ARC_RELEASE(_server);
-  ARC_RELEASE(_localAddress);
-  ARC_RELEASE(_remoteAddress);
   
   if (_requestMessage) {
     CFRelease(_requestMessage);
   }
-  ARC_RELEASE(_request);
   
   if (_responseMessage) {
     CFRelease(_responseMessage);
   }
-  ARC_RELEASE(_response);
-  
-#ifdef __GCDWEBSERVER_ENABLE_TESTING__
-  ARC_RELEASE(_requestPath);
-  ARC_RELEASE(_responsePath);
-#endif
-  
-  ARC_DEALLOC(super);
 }
 
 @end
@@ -681,11 +660,11 @@ static inline NSUInteger _ScanHexNumber(const void* bytes, NSUInteger size) {
   if (_server.recordingEnabled) {
     _connectionIndex = OSAtomicIncrement32(&_connectionCounter);
     
-    _requestPath = ARC_RETAIN([NSTemporaryDirectory() stringByAppendingPathComponent:[[NSProcessInfo processInfo] globallyUniqueString]]);
+    _requestPath = [NSTemporaryDirectory() stringByAppendingPathComponent:[[NSProcessInfo processInfo] globallyUniqueString]];
     _requestFD = open([_requestPath fileSystemRepresentation], O_CREAT | O_TRUNC | O_WRONLY, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
     GWS_DCHECK(_requestFD > 0);
     
-    _responsePath = ARC_RETAIN([NSTemporaryDirectory() stringByAppendingPathComponent:[[NSProcessInfo processInfo] globallyUniqueString]]);
+    _responsePath = [NSTemporaryDirectory() stringByAppendingPathComponent:[[NSProcessInfo processInfo] globallyUniqueString]];
     _responseFD = open([_responsePath fileSystemRepresentation], O_CREAT | O_TRUNC | O_WRONLY, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
     GWS_DCHECK(_responseFD > 0);
   }
diff --git a/GCDWebServer/Core/GCDWebServerFunctions.m b/GCDWebServer/Core/GCDWebServerFunctions.m
index 0a07faf..d81af0b 100644
--- a/GCDWebServer/Core/GCDWebServerFunctions.m
+++ b/GCDWebServer/Core/GCDWebServerFunctions.m
@@ -25,6 +25,10 @@
  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#if !__has_feature(objc_arc)
+#error GCDWebServer requires ARC
+#endif
+
 #import <TargetConditionals.h>
 #if TARGET_OS_IPHONE
 #import <MobileCoreServices/MobileCoreServices.h>
@@ -50,14 +54,14 @@ void GCDWebServerInitializeFunctions() {
     _dateFormatterRFC822 = [[NSDateFormatter alloc] init];
     _dateFormatterRFC822.timeZone = [NSTimeZone timeZoneWithAbbreviation:@"GMT"];
     _dateFormatterRFC822.dateFormat = @"EEE',' dd MMM yyyy HH':'mm':'ss 'GMT'";
-    _dateFormatterRFC822.locale = ARC_AUTORELEASE([[NSLocale alloc] initWithLocaleIdentifier:@"en_US"]);
+    _dateFormatterRFC822.locale = [[NSLocale alloc] initWithLocaleIdentifier:@"en_US"];
     GWS_DCHECK(_dateFormatterRFC822);
   }
   if (_dateFormatterISO8601 == nil) {
     _dateFormatterISO8601 = [[NSDateFormatter alloc] init];
     _dateFormatterISO8601.timeZone = [NSTimeZone timeZoneWithAbbreviation:@"GMT"];
     _dateFormatterISO8601.dateFormat = @"yyyy-MM-dd'T'HH:mm:ss'+00:00'";
-    _dateFormatterISO8601.locale = ARC_AUTORELEASE([[NSLocale alloc] initWithLocaleIdentifier:@"en_US"]);
+    _dateFormatterISO8601.locale = [[NSLocale alloc] initWithLocaleIdentifier:@"en_US"];
     GWS_DCHECK(_dateFormatterISO8601);
   }
   if (_dateFormatterQueue == NULL) {
@@ -96,7 +100,6 @@ NSString* GCDWebServerExtractHeaderValueParameter(NSString* value, NSString* nam
       [scanner scanUpToCharactersFromSet:[NSCharacterSet whitespaceCharacterSet] intoString:&parameter];
     }
   }
-  ARC_RELEASE(scanner);
   return parameter;
 }
 
@@ -150,7 +153,7 @@ NSString* GCDWebServerDescribeData(NSData* data, NSString* type) {
     NSString* charset = GCDWebServerExtractHeaderValueParameter(type, @"charset");
     NSString* string = [[NSString alloc] initWithData:data encoding:GCDWebServerStringEncodingFromCharset(charset)];
     if (string) {
-      return ARC_AUTORELEASE(string);
+      return string;
     }
   }
   return [NSString stringWithFormat:@"<%lu bytes>", (unsigned long)data.length];
@@ -168,9 +171,9 @@ NSString* GCDWebServerGetMimeTypeForExtension(NSString* extension) {
   if (extension.length) {
     mimeType = [_overrides objectForKey:extension];
     if (mimeType == nil) {
-      CFStringRef uti = UTTypeCreatePreferredIdentifierForTag(kUTTagClassFilenameExtension, (ARC_BRIDGE CFStringRef)extension, NULL);
+      CFStringRef uti = UTTypeCreatePreferredIdentifierForTag(kUTTagClassFilenameExtension, (__bridge CFStringRef)extension, NULL);
       if (uti) {
-        mimeType = ARC_BRIDGE_RELEASE(UTTypeCopyPreferredTagWithClass(uti, kUTTagClassMIMEType));
+        mimeType = CFBridgingRelease(UTTypeCopyPreferredTagWithClass(uti, kUTTagClassMIMEType));
         CFRelease(uti);
       }
     }
@@ -179,11 +182,11 @@ NSString* GCDWebServerGetMimeTypeForExtension(NSString* extension) {
 }
 
 NSString* GCDWebServerEscapeURLString(NSString* string) {
-  return ARC_BRIDGE_RELEASE(CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault, (CFStringRef)string, NULL, CFSTR(":@/?&=+"), kCFStringEncodingUTF8));
+  return CFBridgingRelease(CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault, (CFStringRef)string, NULL, CFSTR(":@/?&=+"), kCFStringEncodingUTF8));
 }
 
 NSString* GCDWebServerUnescapeURLString(NSString* string) {
-  return ARC_BRIDGE_RELEASE(CFURLCreateStringByReplacingPercentEscapesUsingEncoding(kCFAllocatorDefault, (CFStringRef)string, CFSTR(""), kCFStringEncodingUTF8));
+  return CFBridgingRelease(CFURLCreateStringByReplacingPercentEscapesUsingEncoding(kCFAllocatorDefault, (CFStringRef)string, CFSTR(""), kCFStringEncodingUTF8));
 }
 
 NSDictionary* GCDWebServerParseURLEncodedForm(NSString* form) {
@@ -219,7 +222,6 @@ NSDictionary* GCDWebServerParseURLEncodedForm(NSString* form) {
     }
     [scanner setScanLocation:([scanner scanLocation] + 1)];
   }
-  ARC_RELEASE(scanner);
   return parameters;
 }
 
@@ -247,7 +249,7 @@ NSString* GCDWebServerGetPrimaryIPAddress(BOOL useIPv6) {
   if (store) {
     CFPropertyListRef info = SCDynamicStoreCopyValue(store, CFSTR("State:/Network/Global/IPv4"));  // There is no equivalent for IPv6 but the primary interface should be the same
     if (info) {
-      primaryInterface = [[NSString stringWithString:[(ARC_BRIDGE NSDictionary*)info objectForKey:@"PrimaryInterface"]] UTF8String];
+      primaryInterface = [[NSString stringWithString:[(__bridge NSDictionary*)info objectForKey:@"PrimaryInterface"]] UTF8String];
       CFRelease(info);
     }
     CFRelease(store);
@@ -280,7 +282,7 @@ NSString* GCDWebServerGetPrimaryIPAddress(BOOL useIPv6) {
 NSString* GCDWebServerComputeMD5Digest(NSString* format, ...) {
   va_list arguments;
   va_start(arguments, format);
-  const char* string = [ARC_AUTORELEASE([[NSString alloc] initWithFormat:format arguments:arguments]) UTF8String];
+  const char* string = [[[NSString alloc] initWithFormat:format arguments:arguments] UTF8String];
   va_end(arguments);
   unsigned char md5[CC_MD5_DIGEST_LENGTH];
   CC_MD5(string, (CC_LONG)strlen(string), md5);
diff --git a/GCDWebServer/Core/GCDWebServerPrivate.h b/GCDWebServer/Core/GCDWebServerPrivate.h
index 5bb9761..497bf74 100644
--- a/GCDWebServer/Core/GCDWebServerPrivate.h
+++ b/GCDWebServer/Core/GCDWebServerPrivate.h
@@ -28,35 +28,6 @@
 #import <os/object.h>
 #import <sys/socket.h>
 
-/**
- *  ARC <-> MRC compatibility macros.
- */
-
-#if __has_feature(objc_arc)
-#define ARC_BRIDGE __bridge
-#define ARC_BRIDGE_RELEASE(__OBJECT__) CFBridgingRelease(__OBJECT__)
-#define ARC_RETAIN(__OBJECT__) __OBJECT__
-#define ARC_RELEASE(__OBJECT__)
-#define ARC_AUTORELEASE(__OBJECT__) __OBJECT__
-#define ARC_DEALLOC(__OBJECT__)
-#if OS_OBJECT_USE_OBJC_RETAIN_RELEASE
-#define ARC_DISPATCH_RETAIN(__OBJECT__)
-#define ARC_DISPATCH_RELEASE(__OBJECT__)
-#else
-#define ARC_DISPATCH_RETAIN(__OBJECT__) dispatch_retain(__OBJECT__)
-#define ARC_DISPATCH_RELEASE(__OBJECT__) dispatch_release(__OBJECT__)
-#endif
-#else
-#define ARC_BRIDGE
-#define ARC_BRIDGE_RELEASE(__OBJECT__) [(id)__OBJECT__ autorelease]
-#define ARC_RETAIN(__OBJECT__) [__OBJECT__ retain]
-#define ARC_RELEASE(__OBJECT__) [__OBJECT__ release]
-#define ARC_AUTORELEASE(__OBJECT__) [__OBJECT__ autorelease]
-#define ARC_DEALLOC(__OBJECT__) [__OBJECT__ dealloc]
-#define ARC_DISPATCH_RETAIN(__OBJECT__) dispatch_retain(__OBJECT__)
-#define ARC_DISPATCH_RELEASE(__OBJECT__) dispatch_release(__OBJECT__)
-#endif
-
 /**
  *  All GCDWebServer headers.
  */
diff --git a/GCDWebServer/Core/GCDWebServerRequest.m b/GCDWebServer/Core/GCDWebServerRequest.m
index e261db7..cc14993 100644
--- a/GCDWebServer/Core/GCDWebServerRequest.m
+++ b/GCDWebServer/Core/GCDWebServerRequest.m
@@ -25,6 +25,10 @@
  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#if !__has_feature(objc_arc)
+#error GCDWebServer requires ARC
+#endif
+
 #import <zlib.h>
 
 #import "GCDWebServerPrivate.h"
@@ -110,7 +114,6 @@ NSString* const GCDWebServerRequestAttribute_RegexCaptures = @"GCDWebServerReque
     _stream.avail_out = (uInt)maxLength;
     int result = inflate(&_stream, Z_NO_FLUSH);
     if ((result != Z_OK) && (result != Z_STREAM_END)) {
-      ARC_RELEASE(decodedData);
       *error = [NSError errorWithDomain:kZlibErrorDomain code:result userInfo:nil];
       return NO;
     }
@@ -125,7 +128,6 @@ NSString* const GCDWebServerRequestAttribute_RegexCaptures = @"GCDWebServerReque
   }
   decodedData.length = length;
   BOOL success = length ? [super writeData:decodedData error:error] : YES;  // No need to call writer if we have no data yet
-  ARC_RELEASE(decodedData);
   return success;
 }
 
@@ -167,19 +169,18 @@ NSString* const GCDWebServerRequestAttribute_RegexCaptures = @"GCDWebServerReque
 - (instancetype)initWithMethod:(NSString*)method url:(NSURL*)url headers:(NSDictionary*)headers path:(NSString*)path query:(NSDictionary*)query {
   if ((self = [super init])) {
     _method = [method copy];
-    _url = ARC_RETAIN(url);
-    _headers = ARC_RETAIN(headers);
+    _url = url;
+    _headers = headers;
     _path = [path copy];
-    _query = ARC_RETAIN(query);
+    _query = query;
     
-    _type = ARC_RETAIN(GCDWebServerNormalizeHeaderValue([_headers objectForKey:@"Content-Type"]));
+    _type = GCDWebServerNormalizeHeaderValue([_headers objectForKey:@"Content-Type"]);
     _chunked = [GCDWebServerNormalizeHeaderValue([_headers objectForKey:@"Transfer-Encoding"]) isEqualToString:@"chunked"];
     NSString* lengthHeader = [_headers objectForKey:@"Content-Length"];
     if (lengthHeader) {
       NSInteger length = [lengthHeader integerValue];
       if (_chunked || (length < 0)) {
         GWS_DNOT_REACHED();
-        ARC_RELEASE(self);
         return nil;
       }
       _length = length;
@@ -194,7 +195,6 @@ NSString* const GCDWebServerRequestAttribute_RegexCaptures = @"GCDWebServerReque
     } else {
       if (_type) {
         GWS_DNOT_REACHED();
-        ARC_RELEASE(self);
         return nil;
       }
       _length = NSUIntegerMax;
@@ -204,7 +204,7 @@ NSString* const GCDWebServerRequestAttribute_RegexCaptures = @"GCDWebServerReque
     if (modifiedHeader) {
       _modifiedSince = [GCDWebServerParseRFC822(modifiedHeader) copy];
     }
-    _noneMatch = ARC_RETAIN([_headers objectForKey:@"If-None-Match"]);
+    _noneMatch = [_headers objectForKey:@"If-None-Match"];
     
     _range = NSMakeRange(NSUIntegerMax, 0);
     NSString* rangeHeader = GCDWebServerNormalizeHeaderValue([_headers objectForKey:@"Range"]);
@@ -246,21 +246,6 @@ NSString* const GCDWebServerRequestAttribute_RegexCaptures = @"GCDWebServerReque
   return self;
 }
 
-- (void)dealloc {
-  ARC_RELEASE(_method);
-  ARC_RELEASE(_url);
-  ARC_RELEASE(_headers);
-  ARC_RELEASE(_path);
-  ARC_RELEASE(_query);
-  ARC_RELEASE(_type);
-  ARC_RELEASE(_modifiedSince);
-  ARC_RELEASE(_noneMatch);
-  ARC_RELEASE(_decoders);
-  ARC_RELEASE(_attributes);
-  
-  ARC_DEALLOC(super);
-}
-
 - (BOOL)hasBody {
   return _type ? YES : NO;
 }
@@ -290,7 +275,6 @@ NSString* const GCDWebServerRequestAttribute_RegexCaptures = @"GCDWebServerReque
   if ([GCDWebServerNormalizeHeaderValue([self.headers objectForKey:@"Content-Encoding"]) isEqualToString:@"gzip"]) {
     GCDWebServerGZipDecoder* decoder = [[GCDWebServerGZipDecoder alloc] initWithRequest:self writer:_writer];
     [_decoders addObject:decoder];
-    ARC_RELEASE(decoder);
     _writer = decoder;
   }
 }
diff --git a/GCDWebServer/Core/GCDWebServerResponse.m b/GCDWebServer/Core/GCDWebServerResponse.m
index 8b4fc4a..b0a220b 100644
--- a/GCDWebServer/Core/GCDWebServerResponse.m
+++ b/GCDWebServer/Core/GCDWebServerResponse.m
@@ -25,6 +25,10 @@
  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#if !__has_feature(objc_arc)
+#error GCDWebServer requires ARC
+#endif
+
 #import <zlib.h>
 
 #import "GCDWebServerPrivate.h"
@@ -126,7 +130,6 @@
         if (result == Z_STREAM_END) {
           _finished = YES;
         } else if (result != Z_OK) {
-          ARC_RELEASE(encodedData);
           *error = [NSError errorWithDomain:kZlibErrorDomain code:result userInfo:nil];
           return nil;
         }
@@ -140,7 +143,7 @@
     } while (length == 0);  // Make sure we don't return an empty NSData if not in finished state
     encodedData.length = length;
   }
-  return ARC_AUTORELEASE(encodedData);
+  return encodedData;
 }
 
 - (void)close {
@@ -174,7 +177,7 @@
             gzipContentEncodingEnabled=_gzipped, additionalHeaders=_headers;
 
 + (instancetype)response {
-  return ARC_AUTORELEASE([[[self class] alloc] init]);
+  return [[[self class] alloc] init];
 }
 
 - (instancetype)init {
@@ -189,16 +192,6 @@
   return self;
 }
 
-- (void)dealloc {
-  ARC_RELEASE(_type);
-  ARC_RELEASE(_lastModified);
-  ARC_RELEASE(_eTag);
-  ARC_RELEASE(_headers);
-  ARC_RELEASE(_encoders);
-  
-  ARC_DEALLOC(super);
-}
-
 - (void)setValue:(NSString*)value forAdditionalHeader:(NSString*)header {
   [_headers setValue:value forKey:header];
 }
@@ -228,7 +221,6 @@
   if (_gzipped) {
     GCDWebServerGZipEncoder* encoder = [[GCDWebServerGZipEncoder alloc] initWithResponse:self reader:_reader];
     [_encoders addObject:encoder];
-    ARC_RELEASE(encoder);
     _reader = encoder;
   }
 }
@@ -288,11 +280,11 @@
 @implementation GCDWebServerResponse (Extensions)
 
 + (instancetype)responseWithStatusCode:(NSInteger)statusCode {
-  return ARC_AUTORELEASE([[self alloc] initWithStatusCode:statusCode]);
+  return [[self alloc] initWithStatusCode:statusCode];
 }
 
 + (instancetype)responseWithRedirect:(NSURL*)location permanent:(BOOL)permanent {
-  return ARC_AUTORELEASE([[self alloc] initWithRedirect:location permanent:permanent]);
+  return [[self alloc] initWithRedirect:location permanent:permanent];
 }
 
 - (instancetype)initWithStatusCode:(NSInteger)statusCode {
diff --git a/GCDWebServer/Requests/GCDWebServerDataRequest.m b/GCDWebServer/Requests/GCDWebServerDataRequest.m
index 2aa4b2d..4f0ed75 100644
--- a/GCDWebServer/Requests/GCDWebServerDataRequest.m
+++ b/GCDWebServer/Requests/GCDWebServerDataRequest.m
@@ -25,6 +25,10 @@
  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#if !__has_feature(objc_arc)
+#error GCDWebServer requires ARC
+#endif
+
 #import "GCDWebServerPrivate.h"
 
 @interface GCDWebServerDataRequest () {
@@ -40,14 +44,6 @@
 
 @synthesize data=_data;
 
-- (void)dealloc {
-  ARC_RELEASE(_data);
-  ARC_RELEASE(_text);
-  ARC_RELEASE(_jsonObject);
-  
-  ARC_DEALLOC(super);
-}
-
 - (BOOL)open:(NSError**)error {
   if (self.contentLength != NSUIntegerMax) {
     _data = [[NSMutableData alloc] initWithCapacity:self.contentLength];
@@ -99,7 +95,7 @@
   if (_jsonObject == nil) {
     NSString* mimeType = GCDWebServerTruncateHeaderValue(self.contentType);
     if ([mimeType isEqualToString:@"application/json"] || [mimeType isEqualToString:@"text/json"] || [mimeType isEqualToString:@"text/javascript"]) {
-      _jsonObject = ARC_RETAIN([NSJSONSerialization JSONObjectWithData:_data options:0 error:NULL]);
+      _jsonObject = [NSJSONSerialization JSONObjectWithData:_data options:0 error:NULL];
     } else {
       GWS_DNOT_REACHED();
     }
diff --git a/GCDWebServer/Requests/GCDWebServerFileRequest.m b/GCDWebServer/Requests/GCDWebServerFileRequest.m
index 1b4484a..d0c2118 100644
--- a/GCDWebServer/Requests/GCDWebServerFileRequest.m
+++ b/GCDWebServer/Requests/GCDWebServerFileRequest.m
@@ -25,6 +25,10 @@
  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#if !__has_feature(objc_arc)
+#error GCDWebServer requires ARC
+#endif
+
 #import "GCDWebServerPrivate.h"
 
 @interface GCDWebServerFileRequest () {
@@ -40,16 +44,13 @@
 
 - (instancetype)initWithMethod:(NSString*)method url:(NSURL*)url headers:(NSDictionary*)headers path:(NSString*)path query:(NSDictionary*)query {
   if ((self = [super initWithMethod:method url:url headers:headers path:path query:query])) {
-    _temporaryPath = ARC_RETAIN([NSTemporaryDirectory() stringByAppendingPathComponent:[[NSProcessInfo processInfo] globallyUniqueString]]);
+    _temporaryPath = [NSTemporaryDirectory() stringByAppendingPathComponent:[[NSProcessInfo processInfo] globallyUniqueString]];
   }
   return self;
 }
 
 - (void)dealloc {
   unlink([_temporaryPath fileSystemRepresentation]);
-  ARC_RELEASE(_temporaryPath);
-  
-  ARC_DEALLOC(super);
 }
 
 - (BOOL)open:(NSError**)error {
diff --git a/GCDWebServer/Requests/GCDWebServerMultiPartFormRequest.m b/GCDWebServer/Requests/GCDWebServerMultiPartFormRequest.m
index 0642df0..e1c0015 100644
--- a/GCDWebServer/Requests/GCDWebServerMultiPartFormRequest.m
+++ b/GCDWebServer/Requests/GCDWebServerMultiPartFormRequest.m
@@ -25,6 +25,10 @@
  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#if !__has_feature(objc_arc)
+#error GCDWebServer requires ARC
+#endif
+
 #import "GCDWebServerPrivate.h"
 
 #define kMultiPartBufferSize (256 * 1024)
@@ -63,19 +67,11 @@ static NSData* _dashNewlineData = nil;
   if ((self = [super init])) {
     _controlName = [name copy];
     _contentType = [type copy];
-    _mimeType = ARC_RETAIN(GCDWebServerTruncateHeaderValue(_contentType));
+    _mimeType = GCDWebServerTruncateHeaderValue(_contentType);
   }
   return self;
 }
 
-- (void)dealloc {
-  ARC_RELEASE(_controlName);
-  ARC_RELEASE(_contentType);
-  ARC_RELEASE(_mimeType);
-  
-  ARC_DEALLOC(super);
-}
-
 @end
 
 @interface GCDWebServerMultiPartArgument () {
@@ -91,7 +87,7 @@ static NSData* _dashNewlineData = nil;
 
 - (id)initWithControlName:(NSString*)name contentType:(NSString*)type data:(NSData*)data {
   if ((self = [super initWithControlName:name contentType:type])) {
-    _data = ARC_RETAIN(data);
+    _data = data;
     
     if ([self.contentType hasPrefix:@"text/"]) {
       NSString* charset = GCDWebServerExtractHeaderValueParameter(self.contentType, @"charset");
@@ -101,13 +97,6 @@ static NSData* _dashNewlineData = nil;
   return self;
 }
 
-- (void)dealloc {
-  ARC_RELEASE(_data);
-  ARC_RELEASE(_string);
-  
-  ARC_DEALLOC(super);
-}
-
 - (NSString*)description {
   return [NSString stringWithFormat:@"<%@ | '%@' | %lu bytes>", [self class], self.mimeType, (unsigned long)_data.length];
 }
@@ -135,11 +124,6 @@ static NSData* _dashNewlineData = nil;
 
 - (void)dealloc {
   unlink([_temporaryPath fileSystemRepresentation]);
-  
-  ARC_RELEASE(_fileName);
-  ARC_RELEASE(_temporaryPath);
-  
-  ARC_DEALLOC(super);
 }
 
 - (NSString*)description {
@@ -187,14 +171,13 @@ static NSData* _dashNewlineData = nil;
   NSData* data = boundary.length ? [[NSString stringWithFormat:@"--%@", boundary] dataUsingEncoding:NSASCIIStringEncoding] : nil;
   if (data == nil) {
     GWS_DNOT_REACHED();
-    ARC_RELEASE(self);
     return nil;
   }
   if ((self = [super init])) {
-    _boundary = ARC_RETAIN(data);
-    _defaultcontrolName = ARC_RETAIN(name);
-    _arguments = ARC_RETAIN(arguments);
-    _files = ARC_RETAIN(files);
+    _boundary = data;
+    _defaultcontrolName = name;
+    _arguments = arguments;
+    _files = files;
     _data = [[NSMutableData alloc] initWithCapacity:kMultiPartBufferSize];
     _state = kParserState_Start;
   }
@@ -202,23 +185,10 @@ static NSData* _dashNewlineData = nil;
 }
 
 - (void)dealloc {
-  ARC_RELEASE(_boundary);
-  ARC_RELEASE(_defaultcontrolName);
-  ARC_RELEASE(_data);
-  ARC_RELEASE(_arguments);
-  ARC_RELEASE(_files);
-  
-  ARC_RELEASE(_controlName);
-  ARC_RELEASE(_fileName);
-  ARC_RELEASE(_contentType);
   if (_tmpFile > 0) {
     close(_tmpFile);
     unlink([_tmpPath fileSystemRepresentation]);
   }
-  ARC_RELEASE(_tmpPath);
-  ARC_RELEASE(_subParser);
-  
-  ARC_DEALLOC(super);
 }
 
 // http://www.w3.org/TR/html401/interact/forms.html#h-17.13.4.2
@@ -229,15 +199,10 @@ static NSData* _dashNewlineData = nil;
     NSRange range = [_data rangeOfData:_newlinesData options:0 range:NSMakeRange(0, _data.length)];
     if (range.location != NSNotFound) {
       
-      ARC_RELEASE(_controlName);
       _controlName = nil;
-      ARC_RELEASE(_fileName);
       _fileName = nil;
-      ARC_RELEASE(_contentType);
       _contentType = nil;
-      ARC_RELEASE(_tmpPath);
       _tmpPath = nil;
-      ARC_RELEASE(_subParser);
       _subParser = nil;
       NSString* headers = [[NSString alloc] initWithData:[_data subdataWithRange:NSMakeRange(0, range.location)] encoding:NSUTF8StringEncoding];
       if (headers) {
@@ -247,15 +212,15 @@ static NSData* _dashNewlineData = nil;
             NSString* name = [header substringToIndex:subRange.location];
             NSString* value = [[header substringFromIndex:(subRange.location + subRange.length)] stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
             if ([name caseInsensitiveCompare:@"Content-Type"] == NSOrderedSame) {
-              _contentType = ARC_RETAIN(GCDWebServerNormalizeHeaderValue(value));
+              _contentType = GCDWebServerNormalizeHeaderValue(value);
             } else if ([name caseInsensitiveCompare:@"Content-Disposition"] == NSOrderedSame) {
               NSString* contentDisposition = GCDWebServerNormalizeHeaderValue(value);
               if ([GCDWebServerTruncateHeaderValue(contentDisposition) isEqualToString:@"form-data"]) {
-                _controlName = ARC_RETAIN(GCDWebServerExtractHeaderValueParameter(contentDisposition, @"name"));
-                _fileName = ARC_RETAIN(GCDWebServerExtractHeaderValueParameter(contentDisposition, @"filename"));
+                _controlName = GCDWebServerExtractHeaderValueParameter(contentDisposition, @"name");
+                _fileName = GCDWebServerExtractHeaderValueParameter(contentDisposition, @"filename");
               } else if ([GCDWebServerTruncateHeaderValue(contentDisposition) isEqualToString:@"file"]) {
-                _controlName = ARC_RETAIN(_defaultcontrolName);
-                _fileName = ARC_RETAIN(GCDWebServerExtractHeaderValueParameter(contentDisposition, @"filename"));
+                _controlName = _defaultcontrolName;
+                _fileName = GCDWebServerExtractHeaderValueParameter(contentDisposition, @"filename");
               }
             }
           } else {
@@ -265,7 +230,6 @@ static NSData* _dashNewlineData = nil;
         if (_contentType == nil) {
           _contentType = @"text/plain";
         }
-        ARC_RELEASE(headers);
       } else {
         GWS_LOG_ERROR(@"Failed decoding headers in part of 'multipart/form-data'");
         GWS_DNOT_REACHED();
@@ -314,7 +278,6 @@ static NSData* _dashNewlineData = nil;
               GWS_DNOT_REACHED();
               success = NO;
             }
-            ARC_RELEASE(_subParser);
             _subParser = nil;
           } else if (_tmpPath) {
             ssize_t result = write(_tmpFile, dataBytes, dataLength);
@@ -323,7 +286,6 @@ static NSData* _dashNewlineData = nil;
                 _tmpFile = 0;
                 GCDWebServerMultiPartFile* file = [[GCDWebServerMultiPartFile alloc] initWithControlName:_controlName contentType:_contentType fileName:_fileName temporaryPath:_tmpPath];
                 [_files addObject:file];
-                ARC_RELEASE(file);
               } else {
                 GWS_DNOT_REACHED();
                 success = NO;
@@ -332,14 +294,11 @@ static NSData* _dashNewlineData = nil;
               GWS_DNOT_REACHED();
               success = NO;
             }
-            ARC_RELEASE(_tmpPath);
             _tmpPath = nil;
           } else {
             NSData* data = [[NSData alloc] initWithBytes:(void*)dataBytes length:dataLength];
             GCDWebServerMultiPartArgument* argument = [[GCDWebServerMultiPartArgument alloc] initWithControlName:_controlName contentType:_contentType data:data];
             [_arguments addObject:argument];
-            ARC_RELEASE(argument);
-            ARC_RELEASE(data);
           }
         }
         
@@ -413,13 +372,6 @@ static NSData* _dashNewlineData = nil;
   return self;
 }
 
-- (void)dealloc {
-  ARC_RELEASE(_arguments);
-  ARC_RELEASE(_files);
-  
-  ARC_DEALLOC(super);
-}
-
 - (BOOL)open:(NSError**)error {
   NSString* boundary = GCDWebServerExtractHeaderValueParameter(self.contentType, @"boundary");
   _parser = [[GCDWebServerMIMEStreamParser alloc] initWithBoundary:boundary defaultControlName:nil arguments:_arguments files:_files];
@@ -440,7 +392,6 @@ static NSData* _dashNewlineData = nil;
 
 - (BOOL)close:(NSError**)error {
   BOOL atEnd = [_parser isAtEnd];
-  ARC_RELEASE(_parser);
   _parser = nil;
   if (!atEnd) {
     *error = [NSError errorWithDomain:kGCDWebServerErrorDomain code:-1 userInfo:@{NSLocalizedDescriptionKey: @"Failed finishing to parse multipart form data"}];
diff --git a/GCDWebServer/Requests/GCDWebServerURLEncodedFormRequest.m b/GCDWebServer/Requests/GCDWebServerURLEncodedFormRequest.m
index 355afa9..f210fa0 100644
--- a/GCDWebServer/Requests/GCDWebServerURLEncodedFormRequest.m
+++ b/GCDWebServer/Requests/GCDWebServerURLEncodedFormRequest.m
@@ -25,6 +25,10 @@
  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#if !__has_feature(objc_arc)
+#error GCDWebServer requires ARC
+#endif
+
 #import "GCDWebServerPrivate.h"
 
 @interface GCDWebServerURLEncodedFormRequest () {
@@ -41,12 +45,6 @@
   return @"application/x-www-form-urlencoded";
 }
 
-- (void)dealloc {
-  ARC_RELEASE(_arguments);
-  
-  ARC_DEALLOC(super);
-}
-
 - (BOOL)close:(NSError**)error {
   if (![super close:error]) {
     return NO;
@@ -54,9 +52,8 @@
   
   NSString* charset = GCDWebServerExtractHeaderValueParameter(self.contentType, @"charset");
   NSString* string = [[NSString alloc] initWithData:self.data encoding:GCDWebServerStringEncodingFromCharset(charset)];
-  _arguments = ARC_RETAIN(GCDWebServerParseURLEncodedForm(string));
+  _arguments = GCDWebServerParseURLEncodedForm(string);
   GWS_DCHECK(_arguments);
-  ARC_RELEASE(string);
   
   return YES;
 }
diff --git a/GCDWebServer/Responses/GCDWebServerDataResponse.m b/GCDWebServer/Responses/GCDWebServerDataResponse.m
index 2b3e063..ea02799 100644
--- a/GCDWebServer/Responses/GCDWebServerDataResponse.m
+++ b/GCDWebServer/Responses/GCDWebServerDataResponse.m
@@ -25,6 +25,10 @@
  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#if !__has_feature(objc_arc)
+#error GCDWebServer requires ARC
+#endif
+
 #import "GCDWebServerPrivate.h"
 
 @interface GCDWebServerDataResponse () {
@@ -37,18 +41,17 @@
 @implementation GCDWebServerDataResponse
 
 + (instancetype)responseWithData:(NSData*)data contentType:(NSString*)type {
-  return ARC_AUTORELEASE([[[self class] alloc] initWithData:data contentType:type]);
+  return [[[self class] alloc] initWithData:data contentType:type];
 }
 
 - (instancetype)initWithData:(NSData*)data contentType:(NSString*)type {
   if (data == nil) {
     GWS_DNOT_REACHED();
-    ARC_RELEASE(self);
     return nil;
   }
   
   if ((self = [super init])) {
-    _data = ARC_RETAIN(data);
+    _data = data;
     
     self.contentType = type;
     self.contentLength = data.length;
@@ -56,12 +59,6 @@
   return self;
 }
 
-- (void)dealloc {
-  ARC_RELEASE(_data);
-  
-  ARC_DEALLOC(super);
-}
-
 - (NSData*)readData:(NSError**)error {
   NSData* data;
   if (_done) {
@@ -85,30 +82,29 @@
 @implementation GCDWebServerDataResponse (Extensions)
 
 + (instancetype)responseWithText:(NSString*)text {
-  return ARC_AUTORELEASE([[self alloc] initWithText:text]);
+  return [[self alloc] initWithText:text];
 }
 
 + (instancetype)responseWithHTML:(NSString*)html {
-  return ARC_AUTORELEASE([[self alloc] initWithHTML:html]);
+  return [[self alloc] initWithHTML:html];
 }
 
 + (instancetype)responseWithHTMLTemplate:(NSString*)path variables:(NSDictionary*)variables {
-  return ARC_AUTORELEASE([[self alloc] initWithHTMLTemplate:path variables:variables]);
+  return [[self alloc] initWithHTMLTemplate:path variables:variables];
 }
 
 + (instancetype)responseWithJSONObject:(id)object {
-  return ARC_AUTORELEASE([[self alloc] initWithJSONObject:object]);
+  return [[self alloc] initWithJSONObject:object];
 }
 
 + (instancetype)responseWithJSONObject:(id)object contentType:(NSString*)type {
-  return ARC_AUTORELEASE([[self alloc] initWithJSONObject:object contentType:type]);
+  return [[self alloc] initWithJSONObject:object contentType:type];
 }
 
 - (instancetype)initWithText:(NSString*)text {
   NSData* data = [text dataUsingEncoding:NSUTF8StringEncoding];
   if (data == nil) {
     GWS_DNOT_REACHED();
-    ARC_RELEASE(self);
     return nil;
   }
   return [self initWithData:data contentType:@"text/plain; charset=utf-8"];
@@ -118,7 +114,6 @@
   NSData* data = [html dataUsingEncoding:NSUTF8StringEncoding];
   if (data == nil) {
     GWS_DNOT_REACHED();
-    ARC_RELEASE(self);
     return nil;
   }
   return [self initWithData:data contentType:@"text/html; charset=utf-8"];
@@ -130,7 +125,6 @@
     [html replaceOccurrencesOfString:[NSString stringWithFormat:@"%%%@%%", key] withString:value options:0 range:NSMakeRange(0, html.length)];
   }];
   id response = [self initWithHTML:html];
-  ARC_RELEASE(html);
   return response;
 }
 
@@ -141,7 +135,6 @@
 - (instancetype)initWithJSONObject:(id)object contentType:(NSString*)type {
   NSData* data = [NSJSONSerialization dataWithJSONObject:object options:0 error:NULL];
   if (data == nil) {
-    ARC_RELEASE(self);
     return nil;
   }
   return [self initWithData:data contentType:type];
diff --git a/GCDWebServer/Responses/GCDWebServerErrorResponse.m b/GCDWebServer/Responses/GCDWebServerErrorResponse.m
index df87932..c2e4422 100644
--- a/GCDWebServer/Responses/GCDWebServerErrorResponse.m
+++ b/GCDWebServer/Responses/GCDWebServerErrorResponse.m
@@ -25,6 +25,10 @@
  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#if !__has_feature(objc_arc)
+#error GCDWebServer requires ARC
+#endif
+
 #import "GCDWebServerPrivate.h"
 
 @interface GCDWebServerErrorResponse ()
@@ -37,7 +41,7 @@
   GWS_DCHECK(((NSInteger)errorCode >= 400) && ((NSInteger)errorCode < 500));
   va_list arguments;
   va_start(arguments, format);
-  GCDWebServerErrorResponse* response = ARC_AUTORELEASE([[self alloc] initWithStatusCode:errorCode underlyingError:nil messageFormat:format arguments:arguments]);
+  GCDWebServerErrorResponse* response = [[self alloc] initWithStatusCode:errorCode underlyingError:nil messageFormat:format arguments:arguments];
   va_end(arguments);
   return response;
 }
@@ -46,7 +50,7 @@
   GWS_DCHECK(((NSInteger)errorCode >= 500) && ((NSInteger)errorCode < 600));
   va_list arguments;
   va_start(arguments, format);
-  GCDWebServerErrorResponse* response = ARC_AUTORELEASE([[self alloc] initWithStatusCode:errorCode underlyingError:nil messageFormat:format arguments:arguments]);
+  GCDWebServerErrorResponse* response = [[self alloc] initWithStatusCode:errorCode underlyingError:nil messageFormat:format arguments:arguments];
   va_end(arguments);
   return response;
 }
@@ -55,7 +59,7 @@
   GWS_DCHECK(((NSInteger)errorCode >= 400) && ((NSInteger)errorCode < 500));
   va_list arguments;
   va_start(arguments, format);
-  GCDWebServerErrorResponse* response = ARC_AUTORELEASE([[self alloc] initWithStatusCode:errorCode underlyingError:underlyingError messageFormat:format arguments:arguments]);
+  GCDWebServerErrorResponse* response = [[self alloc] initWithStatusCode:errorCode underlyingError:underlyingError messageFormat:format arguments:arguments];
   va_end(arguments);
   return response;
 }
@@ -64,7 +68,7 @@
   GWS_DCHECK(((NSInteger)errorCode >= 500) && ((NSInteger)errorCode < 600));
   va_list arguments;
   va_start(arguments, format);
-  GCDWebServerErrorResponse* response = ARC_AUTORELEASE([[self alloc] initWithStatusCode:errorCode underlyingError:underlyingError messageFormat:format arguments:arguments]);
+  GCDWebServerErrorResponse* response = [[self alloc] initWithStatusCode:errorCode underlyingError:underlyingError messageFormat:format arguments:arguments];
   va_end(arguments);
   return response;
 }
@@ -82,7 +86,6 @@ static inline NSString* _EscapeHTMLString(NSString* string) {
   if ((self = [self initWithHTML:html])) {
     self.statusCode = statusCode;
   }
-  ARC_RELEASE(message);
   return self;
 }
 
diff --git a/GCDWebServer/Responses/GCDWebServerFileResponse.m b/GCDWebServer/Responses/GCDWebServerFileResponse.m
index 48d2c7c..2004327 100644
--- a/GCDWebServer/Responses/GCDWebServerFileResponse.m
+++ b/GCDWebServer/Responses/GCDWebServerFileResponse.m
@@ -25,6 +25,10 @@
  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#if !__has_feature(objc_arc)
+#error GCDWebServer requires ARC
+#endif
+
 #import <sys/stat.h>
 
 #import "GCDWebServerPrivate.h"
@@ -43,19 +47,19 @@
 @implementation GCDWebServerFileResponse
 
 + (instancetype)responseWithFile:(NSString*)path {
-  return ARC_AUTORELEASE([[[self class] alloc] initWithFile:path]);
+  return [[[self class] alloc] initWithFile:path];
 }
 
 + (instancetype)responseWithFile:(NSString*)path isAttachment:(BOOL)attachment {
-  return ARC_AUTORELEASE([[[self class] alloc] initWithFile:path isAttachment:attachment]);
+  return [[[self class] alloc] initWithFile:path isAttachment:attachment];
 }
 
 + (instancetype)responseWithFile:(NSString*)path byteRange:(NSRange)range {
-  return ARC_AUTORELEASE([[[self class] alloc] initWithFile:path byteRange:range]);
+  return [[[self class] alloc] initWithFile:path byteRange:range];
 }
 
 + (instancetype)responseWithFile:(NSString*)path byteRange:(NSRange)range isAttachment:(BOOL)attachment {
-  return ARC_AUTORELEASE([[[self class] alloc] initWithFile:path byteRange:range isAttachment:attachment]);
+  return [[[self class] alloc] initWithFile:path byteRange:range isAttachment:attachment];
 }
 
 - (instancetype)initWithFile:(NSString*)path {
@@ -78,13 +82,11 @@ static inline NSDate* _NSDateFromTimeSpec(const struct timespec* t) {
   struct stat info;
   if (lstat([path fileSystemRepresentation], &info) || !(info.st_mode & S_IFREG)) {
     GWS_DNOT_REACHED();
-    ARC_RELEASE(self);
     return nil;
   }
 #ifndef __LP64__
   if (info.st_size >= (off_t)4294967295) {  // In 32 bit mode, we can't handle files greater than 4 GiBs (don't use "NSUIntegerMax" here to avoid potential unsigned to signed conversion issues)
     GWS_DNOT_REACHED();
-    ARC_RELEASE(self);
     return nil;
   }
 #endif
@@ -100,7 +102,6 @@ static inline NSDate* _NSDateFromTimeSpec(const struct timespec* t) {
       range.location = fileSize - range.length;
     }
     if (range.length == 0) {
-      ARC_RELEASE(self);
       return nil;  // TODO: Return 416 status code and "Content-Range: bytes */{file length}" header
     }
   } else {
@@ -125,7 +126,6 @@ static inline NSDate* _NSDateFromTimeSpec(const struct timespec* t) {
       if (lossyFileName) {
         NSString* value = [NSString stringWithFormat:@"attachment; filename=\"%@\"; filename*=UTF-8''%@", lossyFileName, GCDWebServerEscapeURLString(fileName)];
         [self setValue:value forAdditionalHeader:@"Content-Disposition"];
-        ARC_RELEASE(lossyFileName);
       } else {
         GWS_DNOT_REACHED();
       }
@@ -139,12 +139,6 @@ static inline NSDate* _NSDateFromTimeSpec(const struct timespec* t) {
   return self;
 }
 
-- (void)dealloc {
-  ARC_RELEASE(_path);
-  
-  ARC_DEALLOC(super);
-}
-
 - (BOOL)open:(NSError**)error {
   _file = open([_path fileSystemRepresentation], O_NOFOLLOW | O_RDONLY);
   if (_file <= 0) {
@@ -171,7 +165,7 @@ static inline NSDate* _NSDateFromTimeSpec(const struct timespec* t) {
     [data setLength:result];
     _size -= result;
   }
-  return ARC_AUTORELEASE(data);
+  return data;
 }
 
 - (void)close {
diff --git a/GCDWebServer/Responses/GCDWebServerStreamedResponse.m b/GCDWebServer/Responses/GCDWebServerStreamedResponse.m
index fa3a941..7f96943 100644
--- a/GCDWebServer/Responses/GCDWebServerStreamedResponse.m
+++ b/GCDWebServer/Responses/GCDWebServerStreamedResponse.m
@@ -25,6 +25,10 @@
  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#if !__has_feature(objc_arc)
+#error GCDWebServer requires ARC
+#endif
+
 #import "GCDWebServerPrivate.h"
 
 @interface GCDWebServerStreamedResponse () {
@@ -36,11 +40,11 @@
 @implementation GCDWebServerStreamedResponse
 
 + (instancetype)responseWithContentType:(NSString*)type streamBlock:(GCDWebServerStreamBlock)block {
-  return ARC_AUTORELEASE([[[self class] alloc] initWithContentType:type streamBlock:block]);
+  return [[[self class] alloc] initWithContentType:type streamBlock:block];
 }
 
 + (instancetype)responseWithContentType:(NSString*)type asyncStreamBlock:(GCDWebServerAsyncStreamBlock)block {
-  return ARC_AUTORELEASE([[[self class] alloc] initWithContentType:type asyncStreamBlock:block]);
+  return [[[self class] alloc] initWithContentType:type asyncStreamBlock:block];
 }
 
 - (instancetype)initWithContentType:(NSString*)type streamBlock:(GCDWebServerStreamBlock)block {
@@ -62,12 +66,6 @@
   return self;
 }
 
-- (void)dealloc {
-  ARC_RELEASE(_block);
-  
-  ARC_DEALLOC(super);
-}
-
 - (void)asyncReadDataWithCompletion:(GCDWebServerBodyReaderCompletionBlock)block {
   _block(block);
 }
diff --git a/GCDWebUploader/GCDWebUploader.m b/GCDWebUploader/GCDWebUploader.m
index 8f0de38..d88a45a 100644
--- a/GCDWebUploader/GCDWebUploader.m
+++ b/GCDWebUploader/GCDWebUploader.m
@@ -25,6 +25,10 @@
  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#if !__has_feature(objc_arc)
+#error GCDWebUploader requires ARC
+#endif
+
 #import <TargetConditionals.h>
 #if TARGET_OS_IPHONE
 #import <UIKit/UIKit.h>
@@ -292,17 +296,10 @@
   if ((self = [super init])) {
     NSBundle* siteBundle = [NSBundle bundleWithPath:[[NSBundle mainBundle] pathForResource:@"GCDWebUploader" ofType:@"bundle"]];
     if (siteBundle == nil) {
-#if !__has_feature(objc_arc)
-      [self release];
-#endif
       return nil;
     }
     _uploadDirectory = [[path stringByStandardizingPath] copy];
-#if __has_feature(objc_arc)
     GCDWebUploader* __unsafe_unretained server = self;
-#else
-    __block GCDWebUploader* server = self;
-#endif
     
     // Resource files
     [self addGETHandlerForBasePath:@"/" directoryPath:[siteBundle resourcePath] indexFilename:nil cacheAge:3600 allowRangeRequests:NO];
@@ -313,11 +310,7 @@
 #if TARGET_OS_IPHONE
       NSString* device = [[UIDevice currentDevice] name];
 #else
-#if __has_feature(objc_arc)
       NSString* device = CFBridgingRelease(SCDynamicStoreCopyComputerName(NULL, NULL));
-#else
-      NSString* device = [(id)SCDynamicStoreCopyComputerName(NULL, NULL) autorelease];
-#endif
 #endif
       NSString* title = server.title;
       if (title == nil) {
@@ -401,22 +394,6 @@
   return self;
 }
 
-#if !__has_feature(objc_arc)
-
-- (void)dealloc {
-  [_uploadDirectory release];
-  [_allowedExtensions release];
-  [_title release];
-  [_header release];
-  [_prologue release];
-  [_epilogue release];
-  [_footer release];
-  
-  [super dealloc];
-}
-
-#endif
-
 @end
 
 @implementation GCDWebUploader (Subclassing)
diff --git a/Mac/main.m b/Mac/main.m
index f0a5d97..f446ce0 100644
--- a/Mac/main.m
+++ b/Mac/main.m
@@ -368,11 +368,6 @@ int main(int argc, const char* argv[]) {
       }
       
     }
-#if __has_feature(objc_arc)
-    fprintf(stdout, " (ARC is ON)\n");
-#else
-    fprintf(stdout, " (ARC is OFF)\n");
-#endif
     
     if (webServer) {
       Delegate* delegate = [[Delegate alloc] init];
@@ -406,10 +401,6 @@ int main(int argc, const char* argv[]) {
         }
       }
       webServer.delegate = nil;
-#if !__has_feature(objc_arc)
-      [delegate release];
-      [webServer release];
-#endif
     }
   }
   return result;
diff --git a/README.md b/README.md
index 76b1ee3..357586a 100644
--- a/README.md
+++ b/README.md
@@ -38,6 +38,7 @@ What's not supported (but not really required from an embedded HTTP server):
 Requirements:
 * OS X 10.7 or later (x86_64)
 * iOS 5.0 or later (armv7, armv7s or arm64)
+* ARC memory management only (if you need MRC support use GCDWebServer 3.1 and earlier)
 
 Getting Started
 ===============
diff --git a/Run-Tests.sh b/Run-Tests.sh
index c6f3bbd..1bfa0af 100755
--- a/Run-Tests.sh
+++ b/Run-Tests.sh
@@ -11,13 +11,11 @@ OSX_TARGET="GCDWebServer (Mac)"
 IOS_TARGET="GCDWebServer (iOS)"
 CONFIGURATION="Release"
 
-MRC_BUILD_DIR="/tmp/GCDWebServer-MRC"
-MRC_PRODUCT="$MRC_BUILD_DIR/$CONFIGURATION/GCDWebServer"
-ARC_BUILD_DIR="/tmp/GCDWebServer-ARC"
-ARC_PRODUCT="$ARC_BUILD_DIR/$CONFIGURATION/GCDWebServer"
+BUILD_DIR="/tmp/GCDWebServer-Build"
+PRODUCT="$BUILD_DIR/$CONFIGURATION/GCDWebServer"
 
 PAYLOAD_ZIP="Tests/Payload.zip"
-PAYLOAD_DIR="/tmp/GCDWebServer"
+PAYLOAD_DIR="/tmp/GCDWebServer-Payload"
 
 function runTests {
   rm -rf "$PAYLOAD_DIR"
@@ -32,55 +30,31 @@ function runTests {
   logLevel=2 $1 -mode "$2" -root "$PAYLOAD_DIR/Payload" -tests "$3"
 }
 
-# Build for iOS in manual memory management mode and for oldest deployment target (TODO: run tests on iOS)
-rm -rf "$MRC_BUILD_DIR"
-xcodebuild -sdk "$IOS_SDK" -target "$IOS_TARGET" -configuration "$CONFIGURATION" build "SYMROOT=$MRC_BUILD_DIR" "CLANG_ENABLE_OBJC_ARC=NO" "IPHONEOS_DEPLOYMENT_TARGET=5.1.1" > /dev/null
+# Build for iOS for oldest deployment target (TODO: run tests on iOS)
+rm -rf "$BUILD_DIR"
+xcodebuild -sdk "$IOS_SDK" -target "$IOS_TARGET" -configuration "$CONFIGURATION" build "SYMROOT=$BUILD_DIR" "IPHONEOS_DEPLOYMENT_TARGET=5.1.1" > /dev/null
 
-# Build for iOS in manual memory management mode and for default deployment target (TODO: run tests on iOS)
-rm -rf "$MRC_BUILD_DIR"
-xcodebuild -sdk "$IOS_SDK" -target "$IOS_TARGET" -configuration "$CONFIGURATION" build "SYMROOT=$MRC_BUILD_DIR" "CLANG_ENABLE_OBJC_ARC=NO" > /dev/null
+# Build for iOS for default deployment target (TODO: run tests on iOS)
+rm -rf "$BUILD_DIR"
+xcodebuild -sdk "$IOS_SDK" -target "$IOS_TARGET" -configuration "$CONFIGURATION" build "SYMROOT=$BUILD_DIR" > /dev/null
 
-# Build for iOS in ARC mode and for oldest deployment target (TODO: run tests on iOS)
-rm -rf "$ARC_BUILD_DIR"
-xcodebuild -sdk "$IOS_SDK" -target "$IOS_TARGET" -configuration "$CONFIGURATION" build "SYMROOT=$ARC_BUILD_DIR" "CLANG_ENABLE_OBJC_ARC=YES" "IPHONEOS_DEPLOYMENT_TARGET=5.1.1" > /dev/null
+# Build for OS X for oldest deployment target
+rm -rf "$BUILD_DIR"
+xcodebuild -sdk "$OSX_SDK" -target "$OSX_TARGET" -configuration "$CONFIGURATION" build "SYMROOT=$BUILD_DIR" "MACOSX_DEPLOYMENT_TARGET=10.7" > /dev/null
 
-# Build for iOS in ARC mode and for default deployment target (TODO: run tests on iOS)
-rm -rf "$ARC_BUILD_DIR"
-xcodebuild -sdk "$IOS_SDK" -target "$IOS_TARGET" -configuration "$CONFIGURATION" build "SYMROOT=$ARC_BUILD_DIR" "CLANG_ENABLE_OBJC_ARC=YES" > /dev/null
-
-# Build for OS X in manual memory management mode and for oldest deployment target
-rm -rf "$MRC_BUILD_DIR"
-xcodebuild -sdk "$OSX_SDK" -target "$OSX_TARGET" -configuration "$CONFIGURATION" build "SYMROOT=$MRC_BUILD_DIR" "CLANG_ENABLE_OBJC_ARC=NO" "MACOSX_DEPLOYMENT_TARGET=10.7" > /dev/null
-
-# Build for OS X in manual memory management mode and for default deployment target
-rm -rf "$MRC_BUILD_DIR"
-xcodebuild -sdk "$OSX_SDK" -target "$OSX_TARGET" -configuration "$CONFIGURATION" build "SYMROOT=$MRC_BUILD_DIR" "CLANG_ENABLE_OBJC_ARC=NO" > /dev/null
-
-# Build for OS X in ARC mode and for oldest deployment target
-rm -rf "$ARC_BUILD_DIR"
-xcodebuild -sdk "$OSX_SDK" -target "$OSX_TARGET" -configuration "$CONFIGURATION" build "SYMROOT=$ARC_BUILD_DIR" "CLANG_ENABLE_OBJC_ARC=YES" "MACOSX_DEPLOYMENT_TARGET=10.7" > /dev/null
-
-# Build for OS X in ARC mode and for default deployment target
-rm -rf "$ARC_BUILD_DIR"
-xcodebuild -sdk "$OSX_SDK" -target "$OSX_TARGET" -configuration "$CONFIGURATION" build "SYMROOT=$ARC_BUILD_DIR" "CLANG_ENABLE_OBJC_ARC=YES" > /dev/null
+# Build for OS X for default deployment target
+rm -rf "$BUILD_DIR"
+xcodebuild -sdk "$OSX_SDK" -target "$OSX_TARGET" -configuration "$CONFIGURATION" build "SYMROOT=$BUILD_DIR" > /dev/null
 
 # Run tests
-runTests $MRC_PRODUCT "htmlForm" "Tests/HTMLForm"
-runTests $ARC_PRODUCT "htmlForm" "Tests/HTMLForm"
-runTests $MRC_PRODUCT "htmlFileUpload" "Tests/HTMLFileUpload"
-runTests $ARC_PRODUCT "htmlFileUpload" "Tests/HTMLFileUpload"
-runTests $MRC_PRODUCT "webServer" "Tests/WebServer"
-runTests $ARC_PRODUCT "webServer" "Tests/WebServer"
-runTests $MRC_PRODUCT "webDAV" "Tests/WebDAV-Transmit"
-runTests $ARC_PRODUCT "webDAV" "Tests/WebDAV-Transmit"
-runTests $MRC_PRODUCT "webDAV" "Tests/WebDAV-Cyberduck"
-runTests $ARC_PRODUCT "webDAV" "Tests/WebDAV-Cyberduck"
-runTests $MRC_PRODUCT "webDAV" "Tests/WebDAV-Finder"
-runTests $ARC_PRODUCT "webDAV" "Tests/WebDAV-Finder"
-runTests $MRC_PRODUCT "webUploader" "Tests/WebUploader"
-runTests $ARC_PRODUCT "webUploader" "Tests/WebUploader"
-runTests $MRC_PRODUCT "webServer" "Tests/WebServer-Sample-Movie" "Tests/Sample-Movie.mp4"
-runTests $ARC_PRODUCT "webServer" "Tests/WebServer-Sample-Movie" "Tests/Sample-Movie.mp4"
+runTests $PRODUCT "htmlForm" "Tests/HTMLForm"
+runTests $PRODUCT "htmlFileUpload" "Tests/HTMLFileUpload"
+runTests $PRODUCT "webServer" "Tests/WebServer"
+runTests $PRODUCT "webDAV" "Tests/WebDAV-Transmit"
+runTests $PRODUCT "webDAV" "Tests/WebDAV-Cyberduck"
+runTests $PRODUCT "webDAV" "Tests/WebDAV-Finder"
+runTests $PRODUCT "webUploader" "Tests/WebUploader"
+runTests $PRODUCT "webServer" "Tests/WebServer-Sample-Movie" "Tests/Sample-Movie.mp4"
 
 # Done
 echo "\nAll tests completed successfully!"
diff --git a/iOS/AppDelegate.m b/iOS/AppDelegate.m
index dea2da1..2058768 100644
--- a/iOS/AppDelegate.m
+++ b/iOS/AppDelegate.m
@@ -36,16 +36,6 @@
 
 @implementation AppDelegate
 
-#if !__has_feature(objc_arc)
-
-- (void)dealloc {
-  [_window release];
-  
-  [super dealloc];
-}
-
-#endif
-
 - (BOOL)application:(UIApplication*)application didFinishLaunchingWithOptions:(NSDictionary*)launchOptions {
   CGRect bounds = ([UIScreen instancesRespondToSelector:@selector(nativeBounds)] ? [[UIScreen mainScreen] nativeBounds] : [[UIScreen mainScreen] bounds]);
   _window = [[UIWindow alloc] initWithFrame:bounds];