diff --git a/backend/.env b/backend/.env
deleted file mode 100644
index a180ece..0000000
--- a/backend/.env
+++ /dev/null
@@ -1,5 +0,0 @@
-COOKIE_SECRET=cookiesecret
-NODE_ENV=test
-S3_ACCESS_KEY=AKIAQWGLZ6TSBFMZV4XC
-S3_SECRET_KEY=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
-S3_REGION=ap-northeast-2
\ No newline at end of file
diff --git a/backend/config/config.json b/backend/config/config.json
deleted file mode 100644
index 68d0bf5..0000000
--- a/backend/config/config.json
+++ /dev/null
@@ -1,23 +0,0 @@
-{
-  "development": {
-    "username": "root",
-    "password": "daaeda",
-    "database": "collusic",
-    "host": "127.0.0.1",
-    "dialect": "mysql"
-  },
-  "test": {
-    "username": "collusic",
-    "password": "collusic3717",
-    "database": "collusic",
-    "host": "54.180.156.26",
-    "dialect": "mysql"
-  },
-  "production": {
-    "username": "root",
-    "password": null,
-    "database": "database_production",
-    "host": "127.0.0.1",
-    "dialect": "mysql"
-  }
-}
\ No newline at end of file