diff --git a/changelog.d/7981.misc b/changelog.d/7981.misc
new file mode 100644
index 000000000..dfe4c0317
--- /dev/null
+++ b/changelog.d/7981.misc
@@ -0,0 +1 @@
+Convert various parts of the codebase to async/await.
diff --git a/synapse/app/generic_worker.py b/synapse/app/generic_worker.py
index ec0dbddb8..6e8130351 100644
--- a/synapse/app/generic_worker.py
+++ b/synapse/app/generic_worker.py
@@ -628,7 +628,7 @@ class GenericWorkerServer(HomeServer):
 
         self.get_tcp_replication().start_replication(self)
 
-    def remove_pusher(self, app_id, push_key, user_id):
+    async def remove_pusher(self, app_id, push_key, user_id):
         self.get_tcp_replication().send_remove_pusher(app_id, push_key, user_id)
 
     def build_replication_data_handler(self):