diff --git a/Makefile b/Makefile
index 689bd00..328e2ae 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-.PHONY: all swagger install postgres test test-ci mac \
+.PHONY: all swagger install postgres test test-ci mac reset \
 	docker docker-quiet docker-clean
 
 SWAG ?= go run github.com/swaggo/swag/cmd/swag@v1.16.4
@@ -14,6 +14,9 @@ all: swagger docker-build-native docker
 
 mac: swagger docker-build-run docker
 
+reset:
+	$(COMPOSE) exec backend reset
+
 swagger:
 	$(SWAG) fmt
 	$(SWAG) init -o docs -g cmds/serve.go -pdl 1
diff --git a/implements/bunDatabase.go b/implements/bunDatabase.go
index c5f37a3..115e3b9 100644
--- a/implements/bunDatabase.go
+++ b/implements/bunDatabase.go
@@ -191,6 +191,7 @@ func (self *BunDatabase) UpdateAliases(
 		if err != nil {
 			return err
 		}
+
 		_, err = tx.NewDelete().
 			Model((*models.AliasImage)(nil)).
 			Where("image_id = ?", imageId).
@@ -214,6 +215,14 @@ func (self *BunDatabase) UpdateAliases(
 			return err
 		}
 
+		_, err = tx.NewDelete().
+			Model((*models.Alias)(nil)).
+			Where("NOT EXISTS (?)", tx.NewSelect().
+				Model((*models.AliasImage)(nil)).
+				Where("alias.id = alias_image.alias_id").
+				Limit(1)).
+			Exec(ctx)
+
 		return nil
 	})
 }
diff --git a/tests/00_healthz_test.go b/tests/00_healthz_test.go
index 99f2adb..70c0de5 100644
--- a/tests/00_healthz_test.go
+++ b/tests/00_healthz_test.go
@@ -13,7 +13,7 @@ var client *resty.Client
 func Test_00_Healthz(t *testing.T) {
 	for i := 0; i < 10; i++ {
 		resp, err := client.R().
-			Get("http://localhost:8080/healthz")
+			Get("/healthz")
 		if err == nil && resp.StatusCode() == http.StatusOK {
 			return
 		}
@@ -24,4 +24,5 @@ func Test_00_Healthz(t *testing.T) {
 
 func init() {
 	client = resty.New()
+	client.SetBaseURL("http://localhost:8080")
 }
diff --git a/tests/03_putImageAliases_test.go b/tests/03_putImageAliases_test.go
index 76ede60..6d6dca1 100644
--- a/tests/03_putImageAliases_test.go
+++ b/tests/03_putImageAliases_test.go
@@ -31,8 +31,7 @@ func Test_03_PutImageAliases(t *testing.T) {
 		}
 		resp, err := client.R().
 			SetBody(payload).
-			Put(fmt.Sprintf("http://localhost:8080/api/image/%d/aliases",
-				image.Id))
+			Put(fmt.Sprintf("/api/image/%d/aliases", image.Id))
 		if err != nil || resp.StatusCode() != http.StatusOK {
 			t.Logf("%+v", resp)
 			t.Fatal("failed to put image alias")
@@ -45,11 +44,24 @@ func Test_03_PutImageAliases(t *testing.T) {
 		}
 		resp, err := client.R().
 			SetBody(payload).
-			Put(fmt.Sprintf("http://localhost:8080/api/image/%d/aliases",
-				image.Id))
+			Put(fmt.Sprintf("/api/image/%d/aliases", image.Id))
 		if err != nil || resp.StatusCode() != http.StatusOK {
 			t.Logf("%+v", resp)
 			t.Fatal("failed to put image alias")
 		}
+
+		resp, err = client.R().
+			SetResult(&aliases).
+			Get("/api/aliases")
+		if err != nil || resp.StatusCode() != http.StatusOK {
+			t.Logf("%+v", resp)
+			t.Fatal("failed to get aliases")
+		}
+
+		for _, alias := range aliases {
+			if alias.Name == "testalias2" {
+				t.Fatal("alias should be deleted")
+			}
+		}
 	})
 }