diff --git a/topaz/commands/normalize.py b/topaz/commands/normalize.py
index 8edf3ef..1a271f7 100644
--- a/topaz/commands/normalize.py
+++ b/topaz/commands/normalize.py
@@ -1,7 +1,6 @@
 from __future__ import print_function
 
 import argparse
-import imp
 import os
 import sys