diff --git a/treeherder/config/settings.py b/treeherder/config/settings.py
index 1dac04fee..2d671480e 100644
--- a/treeherder/config/settings.py
+++ b/treeherder/config/settings.py
@@ -1,4 +1,3 @@
-import os
 import platform
 import re
 from datetime import timedelta