diff --git a/cc/config/global.go b/cc/config/global.go
index 613641f9e..d3c265885 100644
--- a/cc/config/global.go
+++ b/cc/config/global.go
@@ -302,8 +302,6 @@ var (
 		// until then because it causes warnings in the _callers_, not the
 		// project itself.
 		"-Wno-deprecated-dynamic-exception-spec",
-		// http://b/324323434
-		"-Wno-ambiguous-reversed-operator",
 	}
 
 	noOverride64GlobalCflags = []string{}