diff --git a/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/apache/docker-compose.yml b/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/apache/docker-compose.yml
index e01be64e..54da7892 100644
--- a/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/apache/docker-compose.yml
+++ b/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/apache/docker-compose.yml
@@ -25,7 +25,6 @@ services:
       - VIRTUAL_HOST=
       - LETSENCRYPT_HOST=
       - LETSENCRYPT_EMAIL=
-    environment:
       - MYSQL_HOST=db
     env_file:
       - db.env
diff --git a/.examples/docker-compose/with-nginx-proxy/mariadb/apache/docker-compose.yml b/.examples/docker-compose/with-nginx-proxy/mariadb/apache/docker-compose.yml
index 8617cf50..45406dcb 100644
--- a/.examples/docker-compose/with-nginx-proxy/mariadb/apache/docker-compose.yml
+++ b/.examples/docker-compose/with-nginx-proxy/mariadb/apache/docker-compose.yml
@@ -21,7 +21,6 @@ services:
       - VIRTUAL_HOST=
       - LETSENCRYPT_HOST=
       - LETSENCRYPT_EMAIL=
-    environment:
       - MYSQL_HOST=db
     env_file:
       - db.env
diff --git a/.examples/docker-compose/with-nginx-proxy/postgres/apache/docker-compose.yml b/.examples/docker-compose/with-nginx-proxy/postgres/apache/docker-compose.yml
index f2b37cf2..1f59469c 100644
--- a/.examples/docker-compose/with-nginx-proxy/postgres/apache/docker-compose.yml
+++ b/.examples/docker-compose/with-nginx-proxy/postgres/apache/docker-compose.yml
@@ -18,7 +18,6 @@ services:
       - VIRTUAL_HOST=
       - LETSENCRYPT_HOST=
       - LETSENCRYPT_EMAIL=
-    environment:
       - POSTGRES_HOST=db
     env_file:
       - db.env