diff --git a/AFNetworking/AFJSONRequestOperation.m b/AFNetworking/AFJSONRequestOperation.m
index 9e8e443..e681cf8 100644
--- a/AFNetworking/AFJSONRequestOperation.m
+++ b/AFNetworking/AFJSONRequestOperation.m
@@ -46,11 +46,11 @@ static dispatch_queue_t json_request_operation_processing_queue() {
                                          success:(void (^)(id JSON))success
                                          failure:(void (^)(NSError *error))failure
 {    
-    return [self operationWithRequest:urlRequest acceptableStatusCodes:[self defaultAcceptableStatusCodes] acceptableContentTypes:[self defaultAcceptableContentTypes] success:^(NSURLRequest *request, NSHTTPURLResponse *response, id JSON) {
+    return [self operationWithRequest:urlRequest acceptableStatusCodes:[self defaultAcceptableStatusCodes] acceptableContentTypes:[self defaultAcceptableContentTypes] success:^(NSURLRequest __unused *request, NSHTTPURLResponse __unused *response, id JSON) {
         if (success) {
             success(JSON);
         }
-    } failure:^(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error) {
+    } failure:^(NSURLRequest __unused *request, NSHTTPURLResponse __unused *response, NSError *error) {
         if (failure) {
             failure(error);
         }