diff --git a/synapse/handlers/appservice.py b/synapse/handlers/appservice.py
index 1890ca06a..c9f56c41e 100644
--- a/synapse/handlers/appservice.py
+++ b/synapse/handlers/appservice.py
@@ -31,6 +31,7 @@ class ApplicationServicesHandler(BaseHandler):
 
     @defer.inlineCallbacks
     def register(self, app_service):
+        logger.info("Register -> %s", app_service)
         # check the token is recognised
         try:
             stored_service = yield self.store.get_app_service(app_service.token)
@@ -44,6 +45,7 @@ class ApplicationServicesHandler(BaseHandler):
         # TODO store this AS
 
     def unregister(self, token):
+        logger.info("Unregister as_token=%s", token)
         yield self.store.unregister_app_service(token)
 
     def notify_interested_services(self, event):
diff --git a/synapse/storage/appservice.py b/synapse/storage/appservice.py
index f84f026b7..cd15843ba 100644
--- a/synapse/storage/appservice.py
+++ b/synapse/storage/appservice.py
@@ -51,6 +51,9 @@ class ApplicationService(object):
 
         return True
 
+    def __str__(self):
+        return "ApplicationService: %s" % (self.__dict__,)
+
 
 class ApplicationServiceCache(object):
     """Caches ApplicationServices and provides utility functions on top.
@@ -83,7 +86,6 @@ class ApplicationServiceStore(SQLBaseStore):
     def __init__(self, hs):
         super(ApplicationServiceStore, self).__init__(hs)
         self.cache = ApplicationServiceCache()
-        self.clock = hs.get_clock()
         self._populate_cache()
 
     def unregister_app_service(self, token):