diff --git a/include/cling/libc.modulemap b/include/cling/libc.modulemap
index 87654b1e..9137a428 100644
--- a/include/cling/libc.modulemap
+++ b/include/cling/libc.modulemap
@@ -62,13 +62,4 @@ module "libc" [system] [extern_c] [no_undeclared_includes] {
     export *
     header "wchar.h"
   }
-
-  use "xlocale.h"
-}
-
-// glib specific header. In it's own module because it
-// doesn't exist on some systems with unpatched glib 2.26+
-module "xlocale.h" [system] [extern_c] {
-  export *
-  header "xlocale.h"
 }