diff --git a/dist/images/Dockerfile b/dist/images/Dockerfile
index 81cb148a0b6..f2d2f64fd75 100644
--- a/dist/images/Dockerfile
+++ b/dist/images/Dockerfile
@@ -18,6 +18,7 @@ WORKDIR /kube-ovn
 
 RUN rm -f /usr/bin/nc &&\
     rm -f /usr/bin/netcat
+RUN deluser sync
 
 COPY kube-ovn /kube-ovn/kube-ovn
 COPY kube-ovn-cmd /kube-ovn/kube-ovn-cmd