diff --git a/Dockerfile b/Dockerfile
index 10f34e0..656467c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,7 +13,6 @@ ARG MMU_CONF_MATCH=default/matchconfig.game.json
 ARG MMU_CONF_CHARS=default/marvelheroes.character.json
 ARG MMU_CONF_SCENARIO=default/asgard.scenario.json
 
-ARG MMU_CHECK_CONF=false
 ARG MMU_REPLAY_DIR=/replays
 
 ARG EXTRA_ARGS