diff --git a/version_54/source/manual_build b/version_54/source/manual_build
index 42f1f8aa43300b64bc9e945efa85ca17bb10c4fa..ea23a5d098b75ac7c0a72137f8a597fd129f26eb 100644
--- a/version_54/source/manual_build
+++ b/version_54/source/manual_build
@@ -1,6 +1,5 @@
 module unload gcc
 source manual_compile
-source manual_remove_unwanted_os
 source manual_compile_one
 source manual_link_noliba_nocompilerlibs
 source manual_setenv