diff --git a/.github/workflows/cluster-test.yml b/.github/workflows/cluster-test.yml
index 9e5af850..26722289 100644
--- a/.github/workflows/cluster-test.yml
+++ b/.github/workflows/cluster-test.yml
@@ -50,7 +50,6 @@ jobs:
       - name: install sx-cnp-oss stack 
         env:
           INSTALL_K3D_CLUSTER: "false"
-          INSTALL_MKCERTS: "false"
           GITHUB_CLIENTSECRET: "dummy"
           GITHUB_CLIENTID: "dummy"
           GITHUB_TOKEN: "dummy"