diff --git a/docker-compose.prod.yml b/docker-compose.prod.yml
index 08416c2c2..3e70b440b 100644
--- a/docker-compose.prod.yml
+++ b/docker-compose.prod.yml
@@ -19,7 +19,6 @@ services:
     environment:
       SETTINGS_FILE: ./config/production.cfg
       IRCCAT: irccat.orga.emfcamp.org:12345
-      FLASK_ENV: production
     logging:
       driver: journald
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 069d6b871..aff615d54 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -14,8 +14,6 @@ services:
       - "2342:2342"
     environment:
       SETTINGS_FILE: ./config/development.cfg
-      FLASK_APP: dev_server.py
-      FLASK_ENV: development
       COLORIZE_LOGS: always
       PYTHONUNBUFFERED: 1
       IRCCAT: fakeirccat:12345