diff --git a/Procfile b/Procfile
deleted file mode 100644
index d21cab98366..00000000000
--- a/Procfile
+++ /dev/null
@@ -1 +0,0 @@
-web: $(composer config bin-dir)/heroku-php-apache2
diff --git a/README.md b/README.md
index e54d38a036e..0a2d79678da 100644
--- a/README.md
+++ b/README.md
@@ -8,8 +8,6 @@
 
 [![Slack](https://img.shields.io/badge/slack-join%5fchat-brightgreen.svg?style=flat)](https://join.slack.com/t/ec-cube/shared_invite/enQtNDA1MDYzNDQxMTIzLTY5MTRhOGQ2MmZhMjQxYTAwMmVlMDc5MDU2NjJlZmFiM2E3M2Q0M2Y3OTRlMGY4NTQzN2JiZDBkNmQwNTUzYzc)
 
-[![Deploy](https://www.herokucdn.com/deploy/button.png)](https://heroku.com/deploy)
-
 **4.0からの更新内容は[リリースノート](https://github.com/EC-CUBE/ec-cube/releases/tag/4.1.0)をご確認ください。**
 
 + 本ドキュメントはEC-CUBEの開発者を主要な対象者としております。
diff --git a/app.json b/app.json
deleted file mode 100644
index 3c3c7a87913..00000000000
--- a/app.json
+++ /dev/null
@@ -1,45 +0,0 @@
-{
-    "name": "EC-CUBE4",
-    "description": "EC-CUBE 4 on Heroku",
-    "website": "https://github.com/EC-CUBE/ec-cube",
-    "repository": "https://github.com/EC-CUBE/ec-cube",
-    "keywords": ["php", "ec", "e-commerce", "ec-cube"],
-    "addons": [
-        {
-            "plan": "heroku-postgresql",
-            "options": {
-              "version": "12"
-            }
-        }
-    ],
-    "env": {
-        "APP_ENV": {
-            "description": "prod|dev",
-            "value": "prod"
-        },
-        "APP_DEBUG": {
-            "description": "1|0",
-            "value": "0"
-        },
-        "DATABASE_SERVER_VERSION": {
-            "description": "Database server version.",
-            "value": "12"
-        },
-        "ECCUBE_AUTH_MAGIC": {
-            "description": "Secret key for login password.",
-            "generator": "secret"
-        },
-        "ECCUBE_ADMIN_USER": {
-            "description": "The login id of admin user.",
-            "value": "admin"
-        },
-        "ECCUBE_ADMIN_PASS": {
-            "description": "The password of admin user."
-        }
-    },
-    "buildpacks": [
-        {
-            "url": "heroku/php"
-        }
-    ]
-}