diff --git a/synapse/app/user_dir.py b/synapse/app/user_dir.py

index 0a5f62b509..d1ab9512cd 100644
--- a/synapse/app/user_dir.py
+++ b/synapse/app/user_dir.py
@@ -26,7 +26,6 @@ from synapse.app import _base
 from synapse.config._base import ConfigError
 from synapse.config.homeserver import HomeServerConfig
 from synapse.config.logger import setup_logging
-from synapse.crypto import context_factory
 from synapse.http.server import JsonResource
 from synapse.http.site import SynapseSite
 from synapse.metrics import RegistryProxy
@@ -211,26 +210,16 @@ def start(config_options):
     # Force the pushers to start since they will be disabled in the main config
     config.update_user_directory = True
 
-    tls_server_context_factory = context_factory.ServerContextFactory(config)
-    tls_client_options_factory = context_factory.ClientTLSOptionsFactory(config)
-
-    ps = UserDirectoryServer(
+    ss = UserDirectoryServer(
         config.server_name,
         db_config=config.database_config,
-        tls_server_context_factory=tls_server_context_factory,
-        tls_client_options_factory=tls_client_options_factory,
         config=config,
         version_string="Synapse/" + get_version_string(synapse),
         database_engine=database_engine,
     )
 
-    ps.setup()
-    ps.start_listening(config.worker_listeners)
-
-    def start():
-        ps.get_datastore().start_profiling()
-
-    reactor.callWhenRunning(start)
+    ss.setup()
+    reactor.callWhenRunning(_base.start, ss, config.worker_listeners)
 
     _base.start_worker_reactor("synapse-user-dir", config)