diff --git a/synapse/metrics/_twisted_exposition.py b/synapse/metrics/_twisted_exposition.py
index 0afb2c157a..b4199bc042 100644
--- a/synapse/metrics/_twisted_exposition.py
+++ b/synapse/metrics/_twisted_exposition.py
@@ -21,10 +21,10 @@
 #
 
 import logging
+
 from prometheus_client import (
     REGISTRY,
     CollectorRegistry,
-    disable_created_metrics,
     generate_latest,
 )