diff --git a/advanced-cluster-management/README.md b/advanced-cluster-management/README.md
index acec4226..f67b6bdf 100644
--- a/advanced-cluster-management/README.md
+++ b/advanced-cluster-management/README.md
@@ -11,8 +11,6 @@ The current *overlays* available are for the following channels:
 * [release-2.6](operator/overlays/release-2.6)
 * [release-2.7](operator/overlays/release-2.7)
 * [release-2.8](operator/overlays/release-2.8)
-* [release-2.9](operator/overlays/release-2.9)
-* [release-2.10](operator/overlays/release-2.10)
 
 ## Usage
 
diff --git a/advanced-cluster-management/remove-acm.sh b/advanced-cluster-management/remove-acm.sh
index c68edb5f..86599104 100755
--- a/advanced-cluster-management/remove-acm.sh
+++ b/advanced-cluster-management/remove-acm.sh
@@ -8,8 +8,7 @@ if [ -z "${KLUSTERLET_NAMESPACE}" ]; then
 	KLUSTERLET_NAMESPACE="open-cluster-management-hub"
 fi
 
-KUBECTL=kubectl
-which oc && KUBECTL=oc
+KUBECTL=oc
 
 # Force delete klusterlet
 echo "attempt to delete klusterlet"