diff --git a/mozDefrag.py b/mozDefrag.py
index 340f63d..965060f 100644
--- a/mozDefrag.py
+++ b/mozDefrag.py
@@ -8,9 +8,7 @@ Licence : GPL3
 """
 
 import os
-import subprocess
 import sys
-import time
 
 import mozDefragMainWindow
 import mozDefragAboutWindow