diff --git a/internal/db/issue.go b/internal/db/issue.go
index 53c8132de..869a57b56 100644
--- a/internal/db/issue.go
+++ b/internal/db/issue.go
@@ -1180,12 +1180,13 @@ func updateIssueMentions(e Engine, issueID int64, mentions []string) error {
 			continue
 		}
 
-		memberIDs := make([]int64, 0, user.NumMembers)
-		orgUsers, err := getOrgUsersByOrgID(e, user.ID, 0)
+		orgUsers := make([]*OrgUser, 0, 10)
+		err := e.Where("org_id=?", user.ID).Find(&orgUsers)
 		if err != nil {
 			return fmt.Errorf("getOrgUsersByOrgID [%d]: %v", user.ID, err)
 		}
 
+		memberIDs := make([]int64, 0, user.NumMembers)
 		for _, orgUser := range orgUsers {
 			memberIDs = append(memberIDs, orgUser.ID)
 		}
diff --git a/internal/db/org.go b/internal/db/org.go
index 320dce3ab..6c47a79f2 100644
--- a/internal/db/org.go
+++ b/internal/db/org.go
@@ -10,17 +10,6 @@ import (
 	"xorm.io/builder"
 )
 
-// getOrgUsersByOrgID returns all organization-user relations by organization ID.
-func getOrgUsersByOrgID(e Engine, orgID int64, limit int) ([]*OrgUser, error) {
-	orgUsers := make([]*OrgUser, 0, 10)
-
-	sess := e.Where("org_id=?", orgID)
-	if limit > 0 {
-		sess = sess.Limit(limit)
-	}
-	return orgUsers, sess.Find(&orgUsers)
-}
-
 // GetUserMirrorRepositories returns mirror repositories of the organization which the user has access to.
 func (u *User) GetUserMirrorRepositories(userID int64) ([]*Repository, error) {
 	teamIDs, err := u.GetUserTeamIDs(userID)