diff --git a/AFNetworking/AFHTTPClient.m b/AFNetworking/AFHTTPClient.m
index 43b74a1..6c51812 100644
--- a/AFNetworking/AFHTTPClient.m
+++ b/AFNetworking/AFHTTPClient.m
@@ -762,8 +762,6 @@ static NSString * const kAFMultipartFormBoundary = @"Boundary+0xAbCdEfGbOuNdArY"
 
 static NSString * const kAFMultipartFormCRLF = @"\r\n";
 
-static NSInteger const kAFStreamToStreamBufferSize = 1024 * 1024; //1 meg default
-
 static inline NSString * AFMultipartFormInitialBoundary() {
     return [NSString stringWithFormat:@"--%@%@", kAFMultipartFormBoundary, kAFMultipartFormCRLF];
 }