diff --git a/rg_tool.py b/rg_tool.py
old mode 100644
new mode 100755
index 679e48755..c0623416c
--- a/rg_tool.py
+++ b/rg_tool.py
@@ -3,7 +3,6 @@
 import hashlib
 import subprocess
 import shutil
-import shlex
 import glob
 import time
 import math
diff --git a/tools/mkfw.py b/tools/mkfw.py
old mode 100644
new mode 100755