diff --git a/app.json b/app.json
index b68f93f9..3e8fe4a7 100644
--- a/app.json
+++ b/app.json
@@ -15,14 +15,6 @@
             "description": "Let npm also install development build tool",
             "value": "false"
         },
-        "CMD_PORT": {
-            "description": "Listen Port",
-            "value": "$PORT"
-        },
-        "CMD_DB_URL": {
-            "description": "Database URL",
-            "value": "$DATABASE_URL"
-        },
         "CMD_SESSION_SECRET": {
             "description": "Secret used to secure session cookies.",
             "required": false
diff --git a/scalingo.json b/scalingo.json
index 75fb883e..ab93f031 100644
--- a/scalingo.json
+++ b/scalingo.json
@@ -148,6 +148,10 @@
             "description": "Database query url",
             "value": "$DATABASE_URL"
         },
+        "CMD_PORT": {
+            "description": "Listening Port",
+            "value": "$PORT"
+        },
         "DYNO": {
             "description": "Require this env var for deploy correctly the app",
             "value": "Scalingo"