diff --git a/routers/api/v1/repo/repo.go b/routers/api/v1/repo/repo.go
index 80504b9c330d4..822e368fa84ae 100644
--- a/routers/api/v1/repo/repo.go
+++ b/routers/api/v1/repo/repo.go
@@ -12,6 +12,7 @@ import (
 	"strings"
 	"time"
 
+	actions_model "code.gitea.io/gitea/models/actions"
 	activities_model "code.gitea.io/gitea/models/activities"
 	"code.gitea.io/gitea/models/db"
 	"code.gitea.io/gitea/models/organization"
@@ -31,6 +32,7 @@ import (
 	"code.gitea.io/gitea/modules/validation"
 	"code.gitea.io/gitea/modules/web"
 	"code.gitea.io/gitea/routers/api/v1/utils"
+	actions_service "code.gitea.io/gitea/services/actions"
 	"code.gitea.io/gitea/services/context"
 	"code.gitea.io/gitea/services/convert"
 	"code.gitea.io/gitea/services/issue"
@@ -1035,6 +1037,9 @@ func updateRepoArchivedState(ctx *context.APIContext, opts api.EditRepoOption) e
 				ctx.Error(http.StatusInternalServerError, "ArchiveRepoState", err)
 				return err
 			}
+			if err := actions_model.CleanRepoScheduleTasks(ctx, repo); err != nil {
+				log.Error("CleanRepoScheduleTasks for archived repo %s/%s: %v", ctx.Repo.Owner.Name, repo.Name, err)
+			}
 			log.Trace("Repository was archived: %s/%s", ctx.Repo.Owner.Name, repo.Name)
 		} else {
 			if err := repo_model.SetArchiveRepoState(ctx, repo, *opts.Archived); err != nil {
@@ -1042,6 +1047,11 @@ func updateRepoArchivedState(ctx *context.APIContext, opts api.EditRepoOption) e
 				ctx.Error(http.StatusInternalServerError, "ArchiveRepoState", err)
 				return err
 			}
+			if ctx.Repo.Repository.UnitEnabled(ctx, unit_model.TypeActions) {
+				if err := actions_service.DetectAndHandleSchedules(ctx, repo); err != nil {
+					log.Error("DetectAndHandleSchedules for un-archived repo %s/%s: %v", ctx.Repo.Owner.Name, repo.Name, err)
+				}
+			}
 			log.Trace("Repository was un-archived: %s/%s", ctx.Repo.Owner.Name, repo.Name)
 		}
 	}
diff --git a/routers/web/repo/setting/setting.go b/routers/web/repo/setting/setting.go
index e045e3b8dcc09..00a5282f34e77 100644
--- a/routers/web/repo/setting/setting.go
+++ b/routers/web/repo/setting/setting.go
@@ -13,6 +13,7 @@ import (
 	"time"
 
 	"code.gitea.io/gitea/models"
+	actions_model "code.gitea.io/gitea/models/actions"
 	"code.gitea.io/gitea/models/db"
 	"code.gitea.io/gitea/models/organization"
 	repo_model "code.gitea.io/gitea/models/repo"
@@ -29,6 +30,7 @@ import (
 	"code.gitea.io/gitea/modules/util"
 	"code.gitea.io/gitea/modules/validation"
 	"code.gitea.io/gitea/modules/web"
+	actions_service "code.gitea.io/gitea/services/actions"
 	asymkey_service "code.gitea.io/gitea/services/asymkey"
 	"code.gitea.io/gitea/services/context"
 	"code.gitea.io/gitea/services/forms"
@@ -897,6 +899,10 @@ func SettingsPost(ctx *context.Context) {
 			return
 		}
 
+		if err := actions_model.CleanRepoScheduleTasks(ctx, repo); err != nil {
+			log.Error("CleanRepoScheduleTasks for archived repo %s/%s: %v", ctx.Repo.Owner.Name, repo.Name, err)
+		}
+
 		ctx.Flash.Success(ctx.Tr("repo.settings.archive.success"))
 
 		log.Trace("Repository was archived: %s/%s", ctx.Repo.Owner.Name, repo.Name)
@@ -915,6 +921,12 @@ func SettingsPost(ctx *context.Context) {
 			return
 		}
 
+		if ctx.Repo.Repository.UnitEnabled(ctx, unit_model.TypeActions) {
+			if err := actions_service.DetectAndHandleSchedules(ctx, repo); err != nil {
+				log.Error("DetectAndHandleSchedules for un-archived repo %s/%s: %v", ctx.Repo.Owner.Name, repo.Name, err)
+			}
+		}
+
 		ctx.Flash.Success(ctx.Tr("repo.settings.unarchive.success"))
 
 		log.Trace("Repository was un-archived: %s/%s", ctx.Repo.Owner.Name, repo.Name)
diff --git a/services/actions/notifier_helper.go b/services/actions/notifier_helper.go
index 66a19844c20c7..8c98f56af53ef 100644
--- a/services/actions/notifier_helper.go
+++ b/services/actions/notifier_helper.go
@@ -117,7 +117,7 @@ func notify(ctx context.Context, input *notifyInput) error {
 		log.Debug("ignore executing %v for event %v whose doer is %v", getMethod(ctx), input.Event, input.Doer.Name)
 		return nil
 	}
-	if input.Repo.IsEmpty {
+	if input.Repo.IsEmpty || input.Repo.IsArchived {
 		return nil
 	}
 	if unit_model.TypeActions.UnitGlobalDisabled() {
@@ -501,7 +501,7 @@ func handleSchedules(
 
 // DetectAndHandleSchedules detects the schedule workflows on the default branch and create schedule tasks
 func DetectAndHandleSchedules(ctx context.Context, repo *repo_model.Repository) error {
-	if repo.IsEmpty {
+	if repo.IsEmpty || repo.IsArchived {
 		return nil
 	}
 
diff --git a/services/actions/schedule_tasks.go b/services/actions/schedule_tasks.go
index 59862fd0d8db2..e4e56e5122968 100644
--- a/services/actions/schedule_tasks.go
+++ b/services/actions/schedule_tasks.go
@@ -66,6 +66,11 @@ func startTasks(ctx context.Context) error {
 				}
 			}
 
+			if row.Repo.IsArchived {
+				// Skip if the repo is archived
+				continue
+			}
+
 			cfg, err := row.Repo.GetUnit(ctx, unit.TypeActions)
 			if err != nil {
 				if repo_model.IsErrUnitTypeNotExist(err) {