diff --git a/omemo/modules/omemo.py b/omemo/modules/omemo.py
index 7e5b7eb..f88a1cd 100644
--- a/omemo/modules/omemo.py
+++ b/omemo/modules/omemo.py
@@ -296,7 +296,6 @@ class OMEMO(BaseModule):
             return
 
         room = properties.jid.getBare()
-        status_codes = properties.muc_status_codes or []
 
         jid = properties.muc_user.jid
         if jid is None: