diff --git a/app.json b/app.json
index fb5933a2..3477f4f1 100644
--- a/app.json
+++ b/app.json
@@ -32,9 +32,6 @@
         }
     },
     "stack": "container",
-    "scripts": {
-        "postdeploy": "sh /doccano/tools/heroku.sh"
-    },
     "addons": [
         {
             "plan": "heroku-postgresql:hobby-dev"