diff --git a/AFDownloadRequestOperation.m b/AFDownloadRequestOperation.m
index 31f6264..e20fcd6 100644
--- a/AFDownloadRequestOperation.m
+++ b/AFDownloadRequestOperation.m
@@ -282,8 +282,6 @@ - (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLRespon
 }
 
 - (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data  {
-    if (![self.responseSerializer validateResponse:self.response data:data ?: [NSData data] error:NULL])
-        return; // don't write to output stream if any error occurs
 
     [super connection:connection didReceiveData:data];