diff --git a/actions/ejabberd b/actions/ejabberd
index ac4e90c47..c9a8692e7 100755
--- a/actions/ejabberd
+++ b/actions/ejabberd
@@ -248,7 +248,6 @@ def subcommand_mam(argument):
         # Explicitly set the recommended / default settings for mod_mam,
         # see https://docs.ejabberd.im/admin/configuration/#mod-mam.
         settings_mod_mam = {'mod_mam': {
-            'iqdisc': 'one_queue',  # discipline, recommended 'one_queue'
             'db_type': 'mnesia',  # default is 'mnesia' (w/o set default_db)
             'default': 'never',  # policy, default 'never'
             'request_activates_archiving': False,  # default False