diff --git a/modules/indexer/issues/indexer.go b/modules/indexer/issues/indexer.go
index eebcc9a509..dd7102713c 100644
--- a/modules/indexer/issues/indexer.go
+++ b/modules/indexer/issues/indexer.go
@@ -262,6 +262,19 @@ func DeleteRepoIssueIndexer(ctx context.Context, repoID int64) {
 	}
 }
 
+// DeleteIssueIndexer deletes a single issue by it's ID
+//
+// NOTE: This does not perform any DB validation.
+// Hence, the issueID does not need to be present in the DB.
+func DeleteIssueIndexer(ctx context.Context, issueID int64) {
+	if err := pushIssueIndexerQueue(ctx, &IndexerMetadata{
+		IDs:      []int64{issueID},
+		IsDelete: true,
+	}); err != nil {
+		log.Error("Unable to push deleted issue %d to issue indexer: %v", issueID, err)
+	}
+}
+
 // IsAvailable checks if issue indexer is available
 func IsAvailable(ctx context.Context) bool {
 	return (*globalIndexer.Load()).Ping(ctx) == nil
diff --git a/modules/indexer/issues/indexer_test.go b/modules/indexer/issues/indexer_test.go
index 3a913d8e79..2d7aa71236 100644
--- a/modules/indexer/issues/indexer_test.go
+++ b/modules/indexer/issues/indexer_test.go
@@ -4,7 +4,11 @@
 package issues
 
 import (
+	"path/filepath"
+	"slices"
+	"strings"
 	"testing"
+	"time"
 
 	"forgejo.org/models/db"
 	"forgejo.org/models/issues"
@@ -12,6 +16,7 @@ import (
 	"forgejo.org/modules/indexer/issues/internal"
 	"forgejo.org/modules/optional"
 	"forgejo.org/modules/setting"
+	"forgejo.org/modules/test"
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
@@ -24,7 +29,7 @@ func TestMain(m *testing.M) {
 func TestDBSearchIssues(t *testing.T) {
 	require.NoError(t, unittest.PrepareTestDatabase())
 
-	setting.Indexer.IssueType = "db"
+	defer test.MockVariableValue(&setting.Indexer.IssueType, "db")()
 	InitIssueIndexer(true)
 
 	t.Run("search issues with keyword", searchIssueWithKeyword)
@@ -414,3 +419,39 @@ func searchIssueWithPaginator(t *testing.T) {
 		assert.Equal(t, test.expectedTotal, total)
 	}
 }
+
+func TestBleveDeleteIssue(t *testing.T) {
+	require.NoError(t, unittest.PrepareTestDatabase())
+
+	tmp := t.TempDir()
+	defer test.MockVariableValue(&setting.Indexer.IssuePath, filepath.Join(tmp, "indexers/issues.bleve"))()
+	defer test.MockVariableValue(&setting.Indexer.IssueType, "bleve")()
+	InitIssueIndexer(false)
+
+	ctx := t.Context()
+	issue := unittest.AssertExistsAndLoadBean(t, &issues.Issue{ID: 1})
+	UpdateIssueIndexer(ctx, issue.ID)
+
+	opts := &internal.SearchOptions{
+		RepoIDs: []int64{issue.RepoID},
+	}
+	opts.WithKeyword(ctx, "first")
+
+	assert.Eventually(t, func() bool {
+		ids, _, err := SearchIssues(ctx, opts)
+		if err != nil && strings.Contains(err.Error(), "not ready") {
+			return false
+		}
+		assert.NoError(t, err)
+
+		assert.NoError(t, err)
+		return slices.Contains(ids, issue.ID)
+	}, time.Second*5, time.Millisecond*100, "failed to update issue")
+
+	DeleteIssueIndexer(ctx, issue.ID)
+	assert.Eventually(t, func() bool {
+		ids, _, err := SearchIssues(ctx, opts)
+		assert.NoError(t, err)
+		return !slices.Contains(ids, issue.ID)
+	}, time.Second*5, time.Millisecond*100, "failed to delete issue")
+}
diff --git a/services/indexer/notify.go b/services/indexer/notify.go
index ddd89f733c..8362348a62 100644
--- a/services/indexer/notify.go
+++ b/services/indexer/notify.go
@@ -74,6 +74,10 @@ func (r *indexerNotifier) DeleteRepository(ctx context.Context, doer *user_model
 	}
 }
 
+func (r indexerNotifier) DeleteIssue(ctx context.Context, doer *user_model.User, issue *issues_model.Issue) {
+	issue_indexer.DeleteIssueIndexer(ctx, issue.ID)
+}
+
 func (r *indexerNotifier) MigrateRepository(ctx context.Context, doer, u *user_model.User, repo *repo_model.Repository) {
 	issue_indexer.UpdateRepoIndexer(ctx, repo.ID)
 	if setting.Indexer.RepoIndexerEnabled && !repo.IsEmpty {
diff --git a/services/issue/issue.go b/services/issue/issue.go
index 7a65d87cd4..ab42916017 100644
--- a/services/issue/issue.go
+++ b/services/issue/issue.go
@@ -198,6 +198,8 @@ func DeleteIssue(ctx context.Context, doer *user_model.User, gitRepo *git.Reposi
 		}
 	}
 
+	notify_service.DeleteIssue(ctx, doer, issue)
+
 	return nil
 }
 
diff --git a/services/notify/notifier.go b/services/notify/notifier.go
index e6598a9377..4d88a7ab95 100644
--- a/services/notify/notifier.go
+++ b/services/notify/notifier.go
@@ -30,6 +30,7 @@ type Notifier interface {
 
 	NewIssue(ctx context.Context, issue *issues_model.Issue, mentions []*user_model.User)
 	IssueChangeStatus(ctx context.Context, doer *user_model.User, commitID string, issue *issues_model.Issue, actionComment *issues_model.Comment, closeOrReopen bool)
+	DeleteIssue(ctx context.Context, doer *user_model.User, issue *issues_model.Issue)
 	IssueChangeMilestone(ctx context.Context, doer *user_model.User, issue *issues_model.Issue, oldMilestoneID int64)
 	IssueChangeAssignee(ctx context.Context, doer *user_model.User, issue *issues_model.Issue, assignee *user_model.User, removed bool, comment *issues_model.Comment)
 	PullRequestReviewRequest(ctx context.Context, doer *user_model.User, issue *issues_model.Issue, reviewer *user_model.User, isRequest bool, comment *issues_model.Comment)
diff --git a/services/notify/notify.go b/services/notify/notify.go
index 9fdde430c9..3ca704f717 100644
--- a/services/notify/notify.go
+++ b/services/notify/notify.go
@@ -76,6 +76,13 @@ func IssueChangeStatus(ctx context.Context, doer *user_model.User, commitID stri
 	}
 }
 
+// DeleteIssue notify when some issue deleted
+func DeleteIssue(ctx context.Context, doer *user_model.User, issue *issues_model.Issue) {
+	for _, notifier := range notifiers {
+		notifier.DeleteIssue(ctx, doer, issue)
+	}
+}
+
 // MergePullRequest notifies merge pull request to notifiers
 func MergePullRequest(ctx context.Context, doer *user_model.User, pr *issues_model.PullRequest) {
 	for _, notifier := range notifiers {
diff --git a/services/notify/null.go b/services/notify/null.go
index c0265e2a3e..9c76e5cbd3 100644
--- a/services/notify/null.go
+++ b/services/notify/null.go
@@ -37,6 +37,10 @@ func (*NullNotifier) NewIssue(ctx context.Context, issue *issues_model.Issue, me
 func (*NullNotifier) IssueChangeStatus(ctx context.Context, doer *user_model.User, commitID string, issue *issues_model.Issue, actionComment *issues_model.Comment, isClosed bool) {
 }
 
+// DeleteIssue notify when some issue deleted
+func (*NullNotifier) DeleteIssue(ctx context.Context, doer *user_model.User, issue *issues_model.Issue) {
+}
+
 // NewPullRequest places a place holder function
 func (*NullNotifier) NewPullRequest(ctx context.Context, pr *issues_model.PullRequest, mentions []*user_model.User) {
 }