1 files changed, 0 insertions, 2 deletions
diff --git a/synapse/event_auth.py b/synapse/event_auth.py
index 6109490b99..498a699290 100644
--- a/synapse/event_auth.py
+++ b/synapse/event_auth.py
@@ -355,8 +355,6 @@ def _is_membership_change_allowed(
             raise AuthError(403, "You cannot knock for other users")
         elif target_in_room:
             raise AuthError(403, "You cannot knock on a room you are already in")
-        elif caller_knocked:
-            raise AuthError(403, "You already have a pending knock for this room")
         elif caller_invited:
             raise AuthError(403, "You are already invited to this room")
         elif target_banned: