diff --git a/action.yml b/action.yml
index 657e635..09438fa 100644
--- a/action.yml
+++ b/action.yml
@@ -91,8 +91,6 @@ runs:
           chmod 600 .ssh/*
         fi
 
-    - uses: home-assistant/actions/helpers/cas@master
-
     - shell: bash
       id: pull
       run: |
@@ -100,17 +98,6 @@ runs:
         docker pull "$name"
         echo "name=$name" >> $GITHUB_OUTPUT
 
-    - shell: bash
-      run: |
-        for j in {1..15}; do
-          if CAS_API_KEY= cas authenticate --silent --signerID notary@home-assistant.io docker://${{ steps.pull.outputs.name }}; then
-            exit 0
-          fi
-          sleep $((5 * j))
-        done
-        echo "Invalid signature!"
-        exit 1
-
     - shell: bash
       id: options
       run: |