diff --git a/BUILD b/BUILD
index 253bc3edb2..1664621e95 100644
--- a/BUILD
+++ b/BUILD
@@ -54,7 +54,6 @@ COPTS = select({
         "-Wno-sign-compare",
         "-Wno-unused-function",
         # Prevents ISO C++ const string assignment warnings for pyext sources.
-        "-Wno-writable-strings",
         "-Wno-write-strings",
     ],
 })