diff --git a/Lib/CGIHTTPServer.py b/Lib/CGIHTTPServer.py
index fbd82c9418b1..0279117c7ad6 100644
--- a/Lib/CGIHTTPServer.py
+++ b/Lib/CGIHTTPServer.py
@@ -193,7 +193,6 @@ def run_cgi(self):
             if '=' not in decoded_query:
                 args.append(decoded_query)
             nobody = nobody_uid()
-            self.rfile.flush() # Always flush before forking
             self.wfile.flush() # Always flush before forking
             pid = os.fork()
             if pid != 0: