diff --git a/configs/common/mozconfig b/configs/common/mozconfig
index 5ee906150..ce942bd32 100644
--- a/configs/common/mozconfig
+++ b/configs/common/mozconfig
@@ -31,7 +31,7 @@ if test "$ZEN_RELEASE"; then
   ac_add_options --enable-release
   ac_add_options --disable-debug
   ac_add_options --disable-debug-symbols
-  #ac_add_options --disable-debug-js-modules
+  ac_add_options --disable-debug-js-modules
   ac_add_options --disable-tests
   ac_add_options --disable-jprof