diff --git a/docker-compose.yml b/docker-compose.yml
index 12065e3..d723262 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -9,7 +9,6 @@ services:
       - DB_HOST=$DB_HOST
       - DB_USER=$DB_USER
       - DB_PASSWORD=$DB_PASSWORD
-      - DB_HOST=$DB_HOST
       - MQ_HOST=$MQ_HOST
       - MQ_PORT=$MQ_PORT
       - MQ_USER=$MQ_USER