diff --git a/README.md b/README.md
index d9c13f8..b9aa374 100644
--- a/README.md
+++ b/README.md
@@ -32,17 +32,11 @@ jobs:
 
 ## Authentication
 
-Authentication is done with [Custom App access tokens](https://shopify.dev/apps/auth/admin-app-access-tokens).
+Authentication is done with [Theme Access](https://apps.shopify.com/theme-access).
 
-1. [Create the app](https://help.shopify.com/en/manual/apps/custom-apps#create-and-install-a-custom-app).
-2. Click the `Configure Admin API Scopes` button.
-3. Enable the following scopes:
-   - `read_products`
-   - `write_themes`
-4. Click `Save`.
-5. From the `API credentials` tab, install the app.
-6. Take note of the `Admin API access token`.
-7. Add the following to your repository's [GitHub Secrets](https://docs.github.com/en/actions/security-guides/encrypted-secrets#creating-encrypted-secrets-for-a-repository):
+1. Install it in your store
+2. Generate the theme access token
+4. Add the following to your repository's [GitHub Secrets](https://docs.github.com/en/actions/security-guides/encrypted-secrets#creating-encrypted-secrets-for-a-repository):
    - `SHOP_ACCESS_TOKEN`: the Admin API access token
    - `SHOP_STORE`: Shopify store `<store>.myshopify.com` URL
 
@@ -59,6 +53,7 @@ The `shopify/lighthouse-ci-action` accepts the following arguments:
 * `pull_theme` - (optional) The ID or name of a theme from which the settings and JSON templates should be used. If not provided Lighthouse will be run against the theme's default settings.
 * `lhci_min_score_performance` - (optional, default: 0.6) Minimum performance score for a passed audit (must be between 0 and 1).
 * `lhci_min_score_accessibility` - (optional, default: 0.9) Minimum accessibility score for a passed audit
+* `delete_theme_after_result` – (optional, default: 0) Deletes the theme that was created after the process completes.(must be 0 or 1)
 
 For the GitHub Status Checks on PR. One of the two arguments is required:
 
diff --git a/entrypoint.sh b/entrypoint.sh
index 7c4b2a7..4729619 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -17,6 +17,7 @@
 [[ -n "$INPUT_COLLECTION_HANDLE" ]] && export SHOP_COLLECTION_HANDLE="$INPUT_COLLECTION_HANDLE"
 [[ -n "$INPUT_THEME_ROOT" ]]        && export THEME_ROOT="$INPUT_THEME_ROOT"
 [[ -n "$INPUT_PULL_THEME" ]]        && export SHOP_PULL_THEME="$INPUT_PULL_THEME"
+[[ -n "$INPUT_DELETE_THEME_AFTER_RESULT" ]]        && export SHOP_DELETE_THEME_AFTER_RESULT="$INPUT_DELETE_THEME_AFTER_RESULT"
 
 # Authentication creds
 export SHOP_ACCESS_TOKEN="$INPUT_ACCESS_TOKEN"
@@ -246,3 +247,6 @@ EOF
 
 step "Running Lighthouse CI"
 lhci autorun
+if [ "$SHOP_DELETE_THEME_AFTER_RESULT" = "1" ]; then
+  shopify theme delete --theme ${preview_id} -f
+fi
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