diff --git a/action.yml b/action.yml
index 1404ea8..b425d58 100644
--- a/action.yml
+++ b/action.yml
@@ -64,7 +64,6 @@ runs:
         echo "::group::🚧 Get dependencies"
         go install -v github.com/vbatts/git-validation@latest
         go install -v github.com/kunalkushwaha/ltag@latest
-        go install -v github.com/LK4D4/vndr@latest
         echo "::endgroup::"
 
     - name: DCO Checks
diff --git a/script/validate/vendor b/script/validate/vendor
index 4c1d45e..b108414 100755
--- a/script/validate/vendor
+++ b/script/validate/vendor
@@ -18,8 +18,8 @@
 set -eu -o pipefail
 
 if [ -f vendor.conf ]; then
-  rm -rf vendor/
-  vndr |& grep -v -i clone
+  echo "vndr is no longer supported by this check: use go mod vendor instead"
+  exit 1
 elif [ -f go.mod ]; then
   : "${GO_MOD_TIDY_FLAGS:=}"
   # shellcheck disable=SC2086