1 files changed, 0 insertions, 1 deletions
diff --git a/synapse/rest/media/v1/preview_url_resource.py b/synapse/rest/media/v1/preview_url_resource.py
index cad2dec33a..af01040a38 100644
--- a/synapse/rest/media/v1/preview_url_resource.py
+++ b/synapse/rest/media/v1/preview_url_resource.py
@@ -79,7 +79,6 @@ class PreviewUrlResource(Resource):
             # don't spider URLs more often than once an hour
             expiry_ms=60 * 60 * 1000,
         )
-        self._cache.start()
 
         self._cleaner_loop = self.clock.looping_call(
             self._start_expire_url_cache_data, 10 * 1000,