diff --git a/core/installer/helm.go b/core/installer/helm.go
index 8370b4e..7d3c334 100644
--- a/core/installer/helm.go
+++ b/core/installer/helm.go
@@ -42,6 +42,7 @@
 }
 
 type HelmFetcher interface {
+	// TODO(gio): implement integrity check
 	Pull(chart HelmChartGitRepo, rfs soft.RepoFS, root string) error
 }
 
@@ -99,6 +100,9 @@
 	if err != nil {
 		return err
 	}
+	if err := rfs.RemoveDir(root); err != nil {
+		return err
+	}
 	return util.Walk(wtFS, "/", func(path string, info fs.FileInfo, err error) error {
 		if info.IsDir() {
 			return nil