diff --git a/synapse/rest/client/v2_alpha/thirdparty.py b/synapse/rest/client/v2_alpha/thirdparty.py
index 4b2a93f1bb..bce104c545 100644
--- a/synapse/rest/client/v2_alpha/thirdparty.py
+++ b/synapse/rest/client/v2_alpha/thirdparty.py
@@ -38,8 +38,6 @@ class ThirdPartyUserServlet(RestServlet):
         fields = request.args
         del fields["access_token"]
 
-        # TODO(paul): Some type checking on the request args might be nice
-        #   They should probably all be strings
         results = yield self.appservice_handler.query_3pu(protocol, fields)
 
         defer.returnValue((200, results))