diff --git a/Source/NSURLSession.m b/Source/NSURLSession.m
index 923a9b539..80e93f86b 100644
--- a/Source/NSURLSession.m
+++ b/Source/NSURLSession.m
@@ -340,21 +340,18 @@ - (NSURLSessionDataTask*) dataTaskWithURL: (NSURL*)url
 - (NSURLSessionUploadTask*) uploadTaskWithRequest: (NSURLRequest*)request
                                           fromFile: (NSURL*)fileURL
 {
-  [self notImplemented: _cmd];
-  return nil;
+  return [self notImplemented: _cmd];
 }
 
 - (NSURLSessionUploadTask*) uploadTaskWithRequest: (NSURLRequest*)request
                                          fromData: (NSData*)bodyData;
 {
-  [self notImplemented: _cmd];
-  return nil;
+  return [self notImplemented: _cmd];
 }
 
 - (NSURLSessionUploadTask*) uploadTaskWithStreamedRequest: (NSURLRequest*)request
 {
-  [self notImplemented: _cmd];
-  return nil;
+  return [self notImplemented: _cmd];
 }
 
 - (NSURLSessionDownloadTask*) downloadTaskWithRequest: (NSURLRequest*)request
@@ -387,8 +384,7 @@ - (NSURLSessionDownloadTask*) downloadTaskWithURL: (NSURL*)url
 
 - (NSURLSessionDownloadTask*) downloadTaskWithResumeData: (NSData*)resumeData
 {
-  [self notImplemented: _cmd];
-  return nil;
+  return [self notImplemented: _cmd];
 }
 
 - (void) getTasksWithCompletionHandler: (void (^)(GS_GENERIC_CLASS(NSArray, NSURLSessionDataTask*) *dataTasks, GS_GENERIC_CLASS(NSArray, NSURLSessionUploadTask*) *uploadTasks, GS_GENERIC_CLASS(NSArray, NSURLSessionDownloadTask*) *downloadTasks))completionHandler
@@ -469,16 +465,14 @@ - (NSURLSessionUploadTask*) uploadTaskWithRequest: (NSURLRequest*)request
                                          fromFile: (NSURL*)fileURL
                                 completionHandler: (void (^)(NSData *data, NSURLResponse *response, NSError *error))completionHandler
 {
-  [self notImplemented: _cmd];
-  return nil;
+  return [self notImplemented: _cmd];
 }
 
 - (NSURLSessionUploadTask*) uploadTaskWithRequest: (NSURLRequest*)request
                                          fromData: (NSData*)bodyData
                                 completionHandler: (void (^)(NSData *data, NSURLResponse *response, NSError *error))completionHandler
 {
-  [self notImplemented: _cmd];
-  return nil;
+  return [self notImplemented: _cmd];
 }
 
 - (NSURLSessionDownloadTask*) downloadTaskWithRequest: (NSURLRequest*)request
@@ -516,8 +510,7 @@ - (NSURLSessionDownloadTask*) downloadTaskWithURL: (NSURL*)url
 - (NSURLSessionDownloadTask*) downloadTaskWithResumeData: (NSData*)resumeData
                                        completionHandler: (void (^)(NSURL *location, NSURLResponse *response, NSError *error))completionHandler
 {
-  [self notImplemented: _cmd];
-  return nil;
+  return [self notImplemented: _cmd];
 }
 
 @end