diff --git a/.env.sample b/.env.sample
index 234b252..990782a 100644
--- a/.env.sample
+++ b/.env.sample
@@ -1,3 +1,4 @@
+// *:  필수값
 REACT_APP_ENV = *환경 (ex:development,local,production)
 REACT_APP_API_URL= *server api (ex: http://localhost:3000)
-REACT_APP_SENTRY_DSN = *Sentry DSN key (ex: Sentry credential 파일 확인)
\ No newline at end of file
+REACT_APP_SENTRY_DSN = Sentry DSN key (ex: Sentry credential 파일 확인)
\ No newline at end of file
diff --git a/.github/workflows/s3_deploy_dev.yml b/.github/workflows/s3_deploy_dev.yml
index 7f13db4..4671624 100644
--- a/.github/workflows/s3_deploy_dev.yml
+++ b/.github/workflows/s3_deploy_dev.yml
@@ -10,7 +10,6 @@ jobs:
       AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
       AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
       REACT_APP_API_URL: ${{secrets.REACT_APP_API_URL_DEV}}
-      REACT_APP_COOKIE_DOMAIN: ${{secrets.REACT_APP_COOKIE_DOMAIN}}
       REACT_APP_ENV: ${{secrets.REACT_APP_ENV_DEV}}
       REACT_APP_SENTRY_DSN: ${{secrets.REACT_APP_SENTRY_DSN}}
 
diff --git a/.github/workflows/s3_deploy_master.yml b/.github/workflows/s3_deploy_master.yml
index 195059d..a295f82 100644
--- a/.github/workflows/s3_deploy_master.yml
+++ b/.github/workflows/s3_deploy_master.yml
@@ -10,7 +10,6 @@ jobs:
       AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
       AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
       REACT_APP_API_URL: ${{secrets.REACT_APP_API_URL}}
-      REACT_APP_COOKIE_DOMAIN: ${{secrets.REACT_APP_COOKIE_DOMAIN}}
       REACT_APP_ENV: ${{secrets.REACT_APP_ENV}}
       REACT_APP_SENTRY_DSN: ${{secrets.REACT_APP_SENTRY_DSN}}