diff --git a/scripts/gen_i18n.py b/scripts/gen_i18n.py
index c7d73099..ff9e5d79 100755
--- a/scripts/gen_i18n.py
+++ b/scripts/gen_i18n.py
@@ -955,6 +955,6 @@ if __name__ == "__main__":
 else:
     try:
         Import("env")
-        main()
+        main(strip_unused=True)
     except NameError:
         pass