diff --git a/tests/test_perf_tracking.py b/tests/test_perf_tracking.py
index 296dd1ff..eeb42b95 100644
--- a/tests/test_perf_tracking.py
+++ b/tests/test_perf_tracking.py
@@ -14,7 +14,6 @@
 # limitations under the License.
 
 import collections
-import heapq
 import logging
 import operator