diff --git a/AFNetworking/AFHTTPClient.m b/AFNetworking/AFHTTPClient.m
index 772e010..03503bd 100755
--- a/AFNetworking/AFHTTPClient.m
+++ b/AFNetworking/AFHTTPClient.m
@@ -553,7 +553,7 @@ static void AFNetworkReachabilityReleaseCallback(const void *info) {}
                 completionBlock(operations);
             }
         });
-#if OS_OBJECT_USE_OBJC != 1
+#if !OS_OBJECT_USE_OBJC
         dispatch_release(dispatchGroup);
 #endif
     }];
diff --git a/AFNetworking/AFHTTPRequestOperation.m b/AFNetworking/AFHTTPRequestOperation.m
index 87230a5..3e31962 100644
--- a/AFNetworking/AFHTTPRequestOperation.m
+++ b/AFNetworking/AFHTTPRequestOperation.m
@@ -111,14 +111,14 @@ static void AFSwizzleClassMethodWithClassAndSelectorUsingBlock(Class klass, SEL
 
 - (void)dealloc {
     if (_successCallbackQueue) {
-#if OS_OBJECT_USE_OBJC != 1
+#if !OS_OBJECT_USE_OBJC
         dispatch_release(_successCallbackQueue);
 #endif
         _successCallbackQueue = NULL;
     }
     
     if (_failureCallbackQueue) {
-#if OS_OBJECT_USE_OBJC != 1
+#if !OS_OBJECT_USE_OBJC
         dispatch_release(_failureCallbackQueue);
 #endif
         _failureCallbackQueue = NULL;
@@ -201,14 +201,14 @@ static void AFSwizzleClassMethodWithClassAndSelectorUsingBlock(Class klass, SEL
 - (void)setSuccessCallbackQueue:(dispatch_queue_t)successCallbackQueue {
     if (successCallbackQueue != _successCallbackQueue) {
         if (_successCallbackQueue) {
-#if OS_OBJECT_USE_OBJC != 1
+#if !OS_OBJECT_USE_OBJC
             dispatch_release(_successCallbackQueue);
 #endif
             _successCallbackQueue = NULL;
         }
 
         if (successCallbackQueue) {
-#if OS_OBJECT_USE_OBJC != 1
+#if !OS_OBJECT_USE_OBJC
             dispatch_retain(successCallbackQueue);
 #endif
             _successCallbackQueue = successCallbackQueue;
@@ -219,14 +219,14 @@ static void AFSwizzleClassMethodWithClassAndSelectorUsingBlock(Class klass, SEL
 - (void)setFailureCallbackQueue:(dispatch_queue_t)failureCallbackQueue {
     if (failureCallbackQueue != _failureCallbackQueue) {
         if (_failureCallbackQueue) {
-#if OS_OBJECT_USE_OBJC != 1
+#if !OS_OBJECT_USE_OBJC
             dispatch_release(_failureCallbackQueue);
 #endif
             _failureCallbackQueue = NULL;
         }
         
         if (failureCallbackQueue) {
-#if OS_OBJECT_USE_OBJC != 1
+#if !OS_OBJECT_USE_OBJC
             dispatch_retain(failureCallbackQueue);
 #endif
             _failureCallbackQueue = failureCallbackQueue;