diff --git a/models/activities/action.go b/models/activities/action.go
index f5835598b8..2e8a9c1de2 100644
--- a/models/activities/action.go
+++ b/models/activities/action.go
@@ -687,21 +687,11 @@ func NotifyWatchersActions(acts []*Action) error {
 // DeleteIssueActions delete all actions related with issueID
 func DeleteIssueActions(ctx context.Context, repoID, issueID int64) error {
 	// delete actions assigned to this issue
-
-	// MySQL doesn't use the indexes on comment_id when using a subquery.
-	// It does uses the indexes when using an JOIN, however SQLite doesn't
-	// allow JOINs in DELETE statements and XORM doesn't allow them as well.
-	// So, an specific raw SQL query for MySQL so the query makes use of indexes.
-	if setting.Database.Type.IsMySQL() {
-		if _, err := db.GetEngine(ctx).Exec("DELETE action FROM action JOIN comment ON action.comment_id = comment.id WHERE comment.issue_id = ?", issueID); err != nil {
-			return err
-		}
-	} else {
-		subQuery := builder.Select("`id`").From("`comment`").
-			Where(builder.Eq{"`issue_id`": issueID})
-		if _, err := db.GetEngine(ctx).In("comment_id", subQuery).Delete(&Action{}); err != nil {
-			return err
-		}
+	subQuery := builder.Select("`id`").
+		From("`comment`").
+		Where(builder.Eq{"`issue_id`": issueID})
+	if _, err := db.GetEngine(ctx).In("comment_id", subQuery).Delete(&Action{}); err != nil {
+		return err
 	}
 
 	_, err := db.GetEngine(ctx).Table("action").Where("repo_id = ?", repoID).
diff --git a/models/activities/action_test.go b/models/activities/action_test.go
index 61602a44cb..7044bcc004 100644
--- a/models/activities/action_test.go
+++ b/models/activities/action_test.go
@@ -242,15 +242,6 @@ func TestGetFeedsCorrupted(t *testing.T) {
 	assert.Equal(t, int64(0), count)
 }
 
-func TestDeleteIssueActions(t *testing.T) {
-	assert.NoError(t, unittest.PrepareTestDatabase())
-
-	comment := unittest.AssertExistsAndLoadBean(t, &issue_model.Comment{ID: 8})
-	unittest.AssertExistsAndLoadBean(t, &activities_model.Action{ID: 10, CommentID: comment.ID})
-	assert.NoError(t, activities_model.DeleteIssueActions(db.DefaultContext, 32, 17))
-	unittest.AssertNotExistsBean(t, &activities_model.Action{ID: 10, CommentID: comment.ID})
-}
-
 func TestConsistencyUpdateAction(t *testing.T) {
 	if !setting.Database.Type.IsSQLite3() {
 		t.Skip("Test is only for SQLite database.")
diff --git a/models/fixtures/action.yml b/models/fixtures/action.yml
index 57654eb5b2..af9ce93ba5 100644
--- a/models/fixtures/action.yml
+++ b/models/fixtures/action.yml
@@ -73,13 +73,3 @@
   is_private: false
   created_unix: 1680454039
   content: '4|' # issueId 5
-
-- id: 10
-  user_id: 15
-  op_type: 10 # issue comment
-  act_user_id: 15
-  repo_id: 32 # public
-  comment_id: 8
-  is_private: false
-  created_unix: 1680454039
-  content: '2|meh...' # issueId 5
diff --git a/models/fixtures/comment.yml b/models/fixtures/comment.yml
index f85b1b7af8..bd64680c8c 100644
--- a/models/fixtures/comment.yml
+++ b/models/fixtures/comment.yml
@@ -66,12 +66,3 @@
   tree_path: "README.md"
   created_unix: 946684812
   invalidated: true
-
--
-  id: 8
-  type: 0 # comment
-  poster_id: 15
-  issue_id: 17 # in repo_id 32
-  content: "meh..."
-  created_unix: 946684812
-  updated_unix: 946684812
diff --git a/models/fixtures/issue.yml b/models/fixtures/issue.yml
index bc7463a11e..174345ff5a 100644
--- a/models/fixtures/issue.yml
+++ b/models/fixtures/issue.yml
@@ -283,7 +283,7 @@
   priority: 0
   is_closed: false
   is_pull: false
-  num_comments: 1
+  num_comments: 0
   created_unix: 1602935696
   updated_unix: 1602935696
   is_locked: false
diff --git a/tests/integration/api_nodeinfo_test.go b/tests/integration/api_nodeinfo_test.go
index e9ca4e5813..f931d4eef3 100644
--- a/tests/integration/api_nodeinfo_test.go
+++ b/tests/integration/api_nodeinfo_test.go
@@ -35,6 +35,6 @@ func TestNodeinfo(t *testing.T) {
 		assert.Equal(t, "forgejo", nodeinfo.Software.Name)
 		assert.Equal(t, 25, nodeinfo.Usage.Users.Total)
 		assert.Equal(t, 18, nodeinfo.Usage.LocalPosts)
-		assert.Equal(t, 3, nodeinfo.Usage.LocalComments)
+		assert.Equal(t, 2, nodeinfo.Usage.LocalComments)
 	})
 }