diff --git a/backend/.env b/backend/.env
deleted file mode 100644
index 396a9adc..00000000
--- a/backend/.env
+++ /dev/null
@@ -1,14 +0,0 @@
-DATABASE_URL=""
-GITHUB_CLIENT_ID=""
-GITHUB_CLIENT_SECRET=""
-GITHUB_CALLBACK_URL=""
-JWT_AUTH_SECRET=""
-FRONTEND_BASE_URL=""
-YORKIE_API_ADDR=""
-YORKIE_PROJECT_NAME=""
-YORKIE_PROJECT_SECRET_KEY=""
-OPENAI_API_KEY=""
-LANGCHAIN_TRACING_V2="true"
-LANGCHAIN_ENDPOINT="https://api.smith.langchain.com"
-LANGCHAIN_API_KEY=""
-LANGCHAIN_PROJECT=""