diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py
index f29f9d702..110566e33 100755
--- a/synapse/app/homeserver.py
+++ b/synapse/app/homeserver.py
@@ -56,7 +56,6 @@ import os
 import re
 import resource
 import subprocess
-import yaml
 
 
 logger = logging.getLogger("synapse.app.homeserver")