diff --git a/contrib/stop-k8e.sh b/contrib/stop-k8e.sh
index 0f86c8631..c0dc6f320 100644
--- a/contrib/stop-k8e.sh
+++ b/contrib/stop-k8e.sh
@@ -1,34 +1,14 @@
 #!/bin/sh
+set -e
 
 echo "stop k8e process"
 
-
-pschildren() {
-    ps -e -o ppid= -o pid= | \
-    sed -e 's/^\s*//g; s/\s\s*/\t/g;' | \
-    grep -w "^$1" | \
-    cut -f2
-}
-pstree() {
-    for pid in $@; do
-        echo $pid
-        for child in $(pschildren $pid); do
-            pstree $child
-        done
-    done
-}
-
 killtree() {
-    kill -9 $(
-        { set +x; } 2>/dev/null;
-        pstree $@;
-        set -x;
-    ) 2>/dev/null
+    kill -9 $@ 2>/dev/null
 }
 
 getshims() {
-    ps axu|grep k8e|grep -v grep|awk '{print $2}'
+    ps axu|grep k8e|grep -v grep|grep -v containerd|awk '{print $2}'
 }
 
 killtree $({ set +x; } 2>/dev/null; getshims; set -x)
-