diff --git a/optimizerapi/optimizer.py b/optimizerapi/optimizer.py
index cbc720f..864967b 100644
--- a/optimizerapi/optimizer.py
+++ b/optimizerapi/optimizer.py
@@ -15,7 +15,6 @@
 import traceback
 import hashlib
 import json_tricks
-import matplotlib as mpl
 from rq import Queue
 from rq.job import Job
 from rq.exceptions import NoSuchJobError