diff --git a/models/actions/runner_list.go b/models/actions/runner_list.go
index 5ce69e07a..3ef8ebb25 100644
--- a/models/actions/runner_list.go
+++ b/models/actions/runner_list.go
@@ -36,16 +36,9 @@ func (runners RunnerList) LoadOwners(ctx context.Context) error {
 }
 
 func (runners RunnerList) getRepoIDs() []int64 {
-	repoIDs := make(container.Set[int64], len(runners))
-	for _, runner := range runners {
-		if runner.RepoID == 0 {
-			continue
-		}
-		if _, ok := repoIDs[runner.RepoID]; !ok {
-			repoIDs[runner.RepoID] = struct{}{}
-		}
-	}
-	return repoIDs.Values()
+	return container.FilterSlice(runners, func(runner *ActionRunner) (int64, bool) {
+		return runner.RepoID, runner.RepoID > 0
+	})
 }
 
 func (runners RunnerList) LoadRepos(ctx context.Context) error {
diff --git a/models/activities/notification_list.go b/models/activities/notification_list.go
index 585893339..0cbb91df3 100644
--- a/models/activities/notification_list.go
+++ b/models/activities/notification_list.go
@@ -190,14 +190,12 @@ func (nl NotificationList) LoadAttributes(ctx context.Context) error {
 }
 
 func (nl NotificationList) getPendingRepoIDs() []int64 {
-	ids := make(container.Set[int64], len(nl))
-	for _, notification := range nl {
-		if notification.Repository != nil {
-			continue
+	return container.FilterSlice(nl, func(n *Notification) (int64, bool) {
+		if n.Repository != nil {
+			return 0, false
 		}
-		ids.Add(notification.RepoID)
-	}
-	return ids.Values()
+		return n.RepoID, true
+	})
 }
 
 // LoadRepos loads repositories from database
diff --git a/models/issues/issue_list.go b/models/issues/issue_list.go
index 1b05f0aa3..f8ee271a6 100644
--- a/models/issues/issue_list.go
+++ b/models/issues/issue_list.go
@@ -21,16 +21,15 @@ type IssueList []*Issue
 
 // get the repo IDs to be loaded later, these IDs are for issue.Repo and issue.PullRequest.HeadRepo
 func (issues IssueList) getRepoIDs() []int64 {
-	repoIDs := make(container.Set[int64], len(issues))
-	for _, issue := range issues {
+	return container.FilterSlice(issues, func(issue *Issue) (int64, bool) {
 		if issue.Repo == nil {
-			repoIDs.Add(issue.RepoID)
+			return issue.RepoID, true
 		}
 		if issue.PullRequest != nil && issue.PullRequest.HeadRepo == nil {
-			repoIDs.Add(issue.PullRequest.HeadRepoID)
+			return issue.PullRequest.HeadRepoID, true
 		}
-	}
-	return repoIDs.Values()
+		return 0, false
+	})
 }
 
 // LoadRepositories loads issues' all repositories