diff --git a/modules/notification/action/action.go b/modules/notification/action/action.go
index 74e661c4f..9956940f3 100644
--- a/modules/notification/action/action.go
+++ b/modules/notification/action/action.go
@@ -11,7 +11,6 @@ import (
 	"strings"
 
 	"code.gitea.io/gitea/models"
-	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/notification/base"
 	"code.gitea.io/gitea/modules/repository"
@@ -253,7 +252,7 @@ func (a *actionNotifier) NotifyPullRequestReview(pr *models.PullRequest, review
 	}
 }
 
-func (*actionNotifier) NotifyMergePullRequest(pr *models.PullRequest, doer *models.User, baseRepo *git.Repository) {
+func (*actionNotifier) NotifyMergePullRequest(pr *models.PullRequest, doer *models.User) {
 	if err := models.NotifyWatchers(&models.Action{
 		ActUserID: doer.ID,
 		ActUser:   doer,
diff --git a/modules/notification/base/notifier.go b/modules/notification/base/notifier.go
index 12fde1737..1c607ded3 100644
--- a/modules/notification/base/notifier.go
+++ b/modules/notification/base/notifier.go
@@ -6,7 +6,6 @@ package base
 
 import (
 	"code.gitea.io/gitea/models"
-	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/repository"
 )
 
@@ -32,7 +31,7 @@ type Notifier interface {
 		addedLabels []*models.Label, removedLabels []*models.Label)
 
 	NotifyNewPullRequest(*models.PullRequest)
-	NotifyMergePullRequest(*models.PullRequest, *models.User, *git.Repository)
+	NotifyMergePullRequest(*models.PullRequest, *models.User)
 	NotifyPullRequestSynchronized(doer *models.User, pr *models.PullRequest)
 	NotifyPullRequestReview(*models.PullRequest, *models.Review, *models.Comment)
 	NotifyPullRequestChangeTargetBranch(doer *models.User, pr *models.PullRequest, oldBranch string)
diff --git a/modules/notification/base/null.go b/modules/notification/base/null.go
index 1f90f6519..f6c423b46 100644
--- a/modules/notification/base/null.go
+++ b/modules/notification/base/null.go
@@ -6,7 +6,6 @@ package base
 
 import (
 	"code.gitea.io/gitea/models"
-	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/repository"
 )
 
@@ -44,7 +43,7 @@ func (*NullNotifier) NotifyPullRequestReview(pr *models.PullRequest, r *models.R
 }
 
 // NotifyMergePullRequest places a place holder function
-func (*NullNotifier) NotifyMergePullRequest(pr *models.PullRequest, doer *models.User, baseRepo *git.Repository) {
+func (*NullNotifier) NotifyMergePullRequest(pr *models.PullRequest, doer *models.User) {
 }
 
 // NotifyPullRequestSynchronized places a place holder function
diff --git a/modules/notification/mail/mail.go b/modules/notification/mail/mail.go
index 6cc6fda14..ec7d9d617 100644
--- a/modules/notification/mail/mail.go
+++ b/modules/notification/mail/mail.go
@@ -8,7 +8,6 @@ import (
 	"fmt"
 
 	"code.gitea.io/gitea/models"
-	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/notification/base"
 	"code.gitea.io/gitea/services/mailer"
@@ -101,7 +100,7 @@ func (m *mailNotifier) NotifyIssueChangeAssignee(doer *models.User, issue *model
 	}
 }
 
-func (m *mailNotifier) NotifyMergePullRequest(pr *models.PullRequest, doer *models.User, baseRepo *git.Repository) {
+func (m *mailNotifier) NotifyMergePullRequest(pr *models.PullRequest, doer *models.User) {
 	if err := pr.LoadIssue(); err != nil {
 		log.Error("pr.LoadIssue: %v", err)
 		return
diff --git a/modules/notification/notification.go b/modules/notification/notification.go
index ed7204c9e..8c5d7d603 100644
--- a/modules/notification/notification.go
+++ b/modules/notification/notification.go
@@ -6,7 +6,6 @@ package notification
 
 import (
 	"code.gitea.io/gitea/models"
-	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/notification/action"
 	"code.gitea.io/gitea/modules/notification/base"
 	"code.gitea.io/gitea/modules/notification/indexer"
@@ -61,9 +60,9 @@ func NotifyIssueChangeStatus(doer *models.User, issue *models.Issue, actionComme
 }
 
 // NotifyMergePullRequest notifies merge pull request to notifiers
-func NotifyMergePullRequest(pr *models.PullRequest, doer *models.User, baseGitRepo *git.Repository) {
+func NotifyMergePullRequest(pr *models.PullRequest, doer *models.User) {
 	for _, notifier := range notifiers {
-		notifier.NotifyMergePullRequest(pr, doer, baseGitRepo)
+		notifier.NotifyMergePullRequest(pr, doer)
 	}
 }
 
diff --git a/modules/notification/ui/ui.go b/modules/notification/ui/ui.go
index f58ebce6d..a8c904e22 100644
--- a/modules/notification/ui/ui.go
+++ b/modules/notification/ui/ui.go
@@ -6,7 +6,6 @@ package ui
 
 import (
 	"code.gitea.io/gitea/models"
-	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/notification/base"
 )
@@ -69,7 +68,7 @@ func (ns *notificationService) NotifyIssueChangeStatus(doer *models.User, issue
 	}
 }
 
-func (ns *notificationService) NotifyMergePullRequest(pr *models.PullRequest, doer *models.User, gitRepo *git.Repository) {
+func (ns *notificationService) NotifyMergePullRequest(pr *models.PullRequest, doer *models.User) {
 	ns.issueQueue <- issueNotificationOpts{
 		issueID:              pr.Issue.ID,
 		notificationAuthorID: doer.ID,
diff --git a/modules/notification/webhook/webhook.go b/modules/notification/webhook/webhook.go
index 3f993df88..df41078fb 100644
--- a/modules/notification/webhook/webhook.go
+++ b/modules/notification/webhook/webhook.go
@@ -523,7 +523,7 @@ func (m *webhookNotifier) NotifyPushCommits(pusher *models.User, repo *models.Re
 	}
 }
 
-func (*webhookNotifier) NotifyMergePullRequest(pr *models.PullRequest, doer *models.User, baseRepo *git.Repository) {
+func (*webhookNotifier) NotifyMergePullRequest(pr *models.PullRequest, doer *models.User) {
 	// Reload pull request information.
 	if err := pr.LoadAttributes(); err != nil {
 		log.Error("LoadAttributes: %v", err)
diff --git a/services/pull/check.go b/services/pull/check.go
index c5d8a585c..5d380b460 100644
--- a/services/pull/check.go
+++ b/services/pull/check.go
@@ -147,13 +147,7 @@ func manuallyMerged(pr *models.PullRequest) bool {
 			return false
 		}
 
-		baseGitRepo, err := git.OpenRepository(pr.BaseRepo.RepoPath())
-		if err != nil {
-			log.Error("OpenRepository[%s] : %v", pr.BaseRepo.RepoPath(), err)
-			return false
-		}
-
-		notification.NotifyMergePullRequest(pr, merger, baseGitRepo)
+		notification.NotifyMergePullRequest(pr, merger)
 
 		log.Info("manuallyMerged[%d]: Marked as manually merged into %s/%s by commit id: %s", pr.ID, pr.BaseRepo.Name, pr.BaseBranch, commit.ID.String())
 		return true
diff --git a/services/pull/merge.go b/services/pull/merge.go
index f6f0abe83..5e077f6dc 100644
--- a/services/pull/merge.go
+++ b/services/pull/merge.go
@@ -350,7 +350,7 @@ func Merge(pr *models.PullRequest, doer *models.User, baseGitRepo *git.Repositor
 		log.Error("setMerged [%d]: %v", pr.ID, err)
 	}
 
-	notification.NotifyMergePullRequest(pr, doer, baseGitRepo)
+	notification.NotifyMergePullRequest(pr, doer)
 
 	// Reset cached commit count
 	cache.Remove(pr.Issue.Repo.GetCommitsCountCacheKey(pr.BaseBranch, true))