diff --git a/pkg/dashboard/server/releases.go b/pkg/dashboard/server/releases.go
index 73450348f..625bd063b 100644
--- a/pkg/dashboard/server/releases.go
+++ b/pkg/dashboard/server/releases.go
@@ -592,15 +592,9 @@ func delete(w http.ResponseWriter, r *http.Request) {
 		if envFromStore.RepoPerEnv {
 			kustomizationFilePath = filepath.Join("flux", fmt.Sprintf("kustomization-%s.yaml", app))
 		}
-		worktree, err := repo.Worktree()
+		err := nativeGit.DelFile(repo, kustomizationFilePath)
 		if err != nil {
-			logrus.Errorf("cannot get worktree: %s", err)
-			http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
-			return
-		}
-		_, err = worktree.Remove(kustomizationFilePath)
-		if err != nil {
-			logrus.Errorf("cannot remove files from the working tree: %s", err)
+			logrus.Errorf("cannot delete kustomization file: %s", err)
 			http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
 			return
 		}
diff --git a/pkg/dashboard/worker/gitops.go b/pkg/dashboard/worker/gitops.go
index 0bc1344bf..c6501c6e8 100644
--- a/pkg/dashboard/worker/gitops.go
+++ b/pkg/dashboard/worker/gitops.go
@@ -792,11 +792,7 @@ func cloneTemplateDeleteAndPush(
 		if envFromStore.RepoPerEnv {
 			kustomizationFilePath = filepath.Join("flux", fmt.Sprintf("kustomization-%s.yaml", cleanupPolicy.AppToCleanup))
 		}
-		worktree, err := repo.Worktree()
-		if err != nil {
-			return "", err
-		}
-		_, err = worktree.Remove(kustomizationFilePath)
+		err := nativeGit.DelFile(repo, kustomizationFilePath)
 		if err != nil {
 			return "", err
 		}
diff --git a/pkg/git/nativeGit/helper.go b/pkg/git/nativeGit/helper.go
index 8355c5133..0c8adf1b9 100644
--- a/pkg/git/nativeGit/helper.go
+++ b/pkg/git/nativeGit/helper.go
@@ -417,6 +417,17 @@ func DelDir(repo *git.Repository, path string) error {
 	return err
 }
 
+func DelFile(repo *git.Repository, filePath string) error {
+	worktree, err := repo.Worktree()
+	if err != nil {
+		return err
+	}
+
+	_, err = worktree.Remove(filePath)
+
+	return err
+}
+
 func StageFolder(repo *git.Repository, folder string) error {
 	worktree, err := repo.Worktree()
 	if err != nil {