diff --git a/synapse/rest/client/v2_alpha/keys.py b/synapse/rest/client/v2_alpha/keys.py
index f2722be181..3282b55892 100644
--- a/synapse/rest/client/v2_alpha/keys.py
+++ b/synapse/rest/client/v2_alpha/keys.py
@@ -183,7 +183,6 @@ class KeyChangesServlet(RestServlet):
         self.auth = hs.get_auth()
         self.device_handler = hs.get_device_handler()
 
-    @opentracing.trace
     @defer.inlineCallbacks
     def on_GET(self, request):
         requester = yield self.auth.get_user_by_req(request, allow_guest=True)
diff --git a/synapse/rest/client/v2_alpha/room_keys.py b/synapse/rest/client/v2_alpha/room_keys.py
index 6b60aa525f..1571730b46 100644
--- a/synapse/rest/client/v2_alpha/room_keys.py
+++ b/synapse/rest/client/v2_alpha/room_keys.py
@@ -312,7 +312,6 @@ class RoomKeysVersionServlet(RestServlet):
         self.auth = hs.get_auth()
         self.e2e_room_keys_handler = hs.get_e2e_room_keys_handler()
 
-    @opentracing.trace_using_operation_name("get_room_keys_version")
     @defer.inlineCallbacks
     def on_GET(self, request, version):
         """