diff --git a/dot_zshrc.tmpl b/dot_zshrc.tmpl
index aed0724..7dd4957 100644
--- a/dot_zshrc.tmpl
+++ b/dot_zshrc.tmpl
@@ -170,9 +170,6 @@ export VISUAL="code"
 export GITHUB_USER="op://ENV/Github Token/username"
 export GITHUB_TOKEN="op://ENV/Github Token/credential"
 
-## for rootless docker 
-export DOCKER_HOST=unix://$XDG_RUNTIME_DIR/docker.sock
-
 # custome alias
 if command -v eza &> /dev/null; then
     alias ls=eza