diff --git a/action.yaml b/action.yaml
index 34d1897..005c4b4 100644
--- a/action.yaml
+++ b/action.yaml
@@ -1,4 +1,3 @@
-name: checkout
 inputs:
   token:
     description: A token to authenticate on behalf of the GitHub App installed on your repository.
@@ -10,8 +9,4 @@ runs:
     - name: Checkout
       run: ${{ gitea.action_path }}/checkout.sh
       env:
-        ACTION_REPOSITORY: ${{ gitea.repository }}
-        ACTION_REPOSITORY_OWNER: ${{ gitea.repository_owner }}
-        ACTION_SERVER_URL: ${{ gitea.server_url }}
-        ACTION_SHA: ${{ gitea.sha }}
         ACTION_TOKEN: ${{ inputs.token }}
diff --git a/checkout.sh b/checkout.sh
index 2d1253b..4b3d73c 100755
--- a/checkout.sh
+++ b/checkout.sh
@@ -1,8 +1,8 @@
 #!/bin/bash -e
 
-URL="${ACTION_SERVER_URL/\/\//\/\/$ACTION_REPOSITORY_OWNER:$ACTION_TOKEN@}/$ACTION_REPOSITORY"
+URL="${GITHUB_SERVER_URL/\/\//\/\/$GITHUB_REPOSITORY_OWNER:$ACTION_TOKEN@}/$GITHUB_REPOSITORY"
 
 git init -b main
 git remote add origin "$URL"
-git fetch --no-tags --prune --no-recurse-submodules --depth=1 origin "$ACTION_SHA"
-git checkout --progress --force -B main "$ACTION_SHA"
+git fetch --no-tags --prune --no-recurse-submodules --depth=1 origin "$GITHUB_SHA"
+git checkout --progress --force -B main "$GITHUB_SHA"