diff --git a/source/creator/creator_args.cc b/source/creator/creator_args.cc
index eada1e7ed24..0dc4aaa4e63 100644
--- a/source/creator/creator_args.cc
+++ b/source/creator/creator_args.cc
@@ -1929,6 +1929,8 @@ static int arg_handle_register_extension(int argc, const char **argv, void *data
     main_arg_deferred_setup(arg_handle_register_extension, argc, argv, data);
     return argc - 1;
   }
+#  else
+  UNUSED_VARS(argv, data);
 #  endif
   arg_handle_extension_registration(true, false);
   return argc - 1;
@@ -1947,6 +1949,8 @@ static int arg_handle_register_extension_all(int argc, const char **argv, void *
     main_arg_deferred_setup(arg_handle_register_extension_all, argc, argv, data);
     return argc - 1;
   }
+#  else
+  UNUSED_VARS(argv, data);
 #  endif
   arg_handle_extension_registration(true, true);
   return argc - 1;
@@ -1965,6 +1969,8 @@ static int arg_handle_unregister_extension(int argc, const char **argv, void *da
     main_arg_deferred_setup(arg_handle_unregister_extension, argc, argv, data);
     return argc - 1;
   }
+#  else
+  UNUSED_VARS(argc, argv, data);
 #  endif
   arg_handle_extension_registration(false, false);
   return 0;
@@ -1983,6 +1989,8 @@ static int arg_handle_unregister_extension_all(int argc, const char **argv, void
     main_arg_deferred_setup(arg_handle_unregister_extension_all, argc, argv, data);
     return argc - 1;
   }
+#  else
+  UNUSED_VARS(argc, argv, data);
 #  endif
   arg_handle_extension_registration(false, true);
   return 0;