diff --git a/cmd/git-sync/main.go b/cmd/git-sync/main.go
index 361729c..ec815df 100644
--- a/cmd/git-sync/main.go
+++ b/cmd/git-sync/main.go
@@ -302,7 +302,7 @@ func main() {
 			time.Sleep(waitTime(*flWait))
 			continue
 		} else if changed {
-			err := triggerWebhook(ctx, webhookTriggerChan, *flBranch, *flRev, *flRoot)
+			err := triggerWebhook(ctx, webhookTriggerChan, *flRev, *flRoot)
 			if err != nil {
 				log.Error(err, "triggering webhook failed")
 			}
@@ -692,10 +692,8 @@ func setupGitCookieFile() error {
 	return nil
 }
 
-func triggerWebhook(ctx context.Context, ch chan webhookRepoInfo, branch, rev, gitRoot string) error {
-	info := webhookRepoInfo{
-		Branch: branch,
-	}
+func triggerWebhook(ctx context.Context, ch chan webhookRepoInfo, rev, gitRoot string) error {
+	info := webhookRepoInfo{}
 
 	hash, err := hashForRev(ctx, rev, gitRoot)
 	if err != nil {
diff --git a/cmd/git-sync/webhook.go b/cmd/git-sync/webhook.go
index 64a8126..e3d8a2c 100644
--- a/cmd/git-sync/webhook.go
+++ b/cmd/git-sync/webhook.go
@@ -23,13 +23,11 @@ type Webhook struct {
 }
 
 type webhookRepoInfo struct {
-	Hash   string
-	Branch string
+	Hash string
 }
 
 func (w *Webhook) Do(info webhookRepoInfo) error {
 	req, err := http.NewRequest(w.Method, w.URL, nil)
-	req.Header.Set("Git-Sync-Branch", info.Branch)
 	req.Header.Set("Git-Sync-Hash", info.Hash)
 	if err != nil {
 		return err