diff --git a/AFNetworking/AFURLConnectionOperation.m b/AFNetworking/AFURLConnectionOperation.m
index f70d971..5ff6182 100644
--- a/AFNetworking/AFURLConnectionOperation.m
+++ b/AFNetworking/AFURLConnectionOperation.m
@@ -40,9 +40,6 @@ typedef UIBackgroundTaskIdentifier AFBackgroundTaskIdentifier;
 typedef id AFBackgroundTaskIdentifier;
 #endif
 
-static NSUInteger const kAFHTTPMinimumInitialDataCapacity = 1024;
-static NSUInteger const kAFHTTPMaximumInitialDataCapacity = 1024 * 1024 * 8;
-
 static NSString * const kAFNetworkingLockName = @"com.alamofire.networking.operation.lock";
 
 NSString * const AFNetworkingErrorDomain = @"com.alamofire.networking.error";