diff --git a/CHANGELOG.md b/CHANGELOG.md
index e4eb95e..3023479 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ### Fixed
 
 - only update user fields in update mutation if they changed
+- form delete
 
 ### Security
 
diff --git a/src/service/form/form.delete.service.ts b/src/service/form/form.delete.service.ts
index 13f9c3f..93e3785 100644
--- a/src/service/form/form.delete.service.ts
+++ b/src/service/form/form.delete.service.ts
@@ -14,15 +14,13 @@ export class FormDeleteService {
   ) {
   }
 
-  async delete(id: string): Promise<void> {
-    await this.submissionRepository.createQueryBuilder('s')
-      .delete()
-      .where('s.form = :form', { form: id })
-      .execute()
+  async delete(id: number): Promise<void> {
+    await this.submissionRepository.delete({
+      form: new FormEntity({ id }),
+    })
 
-    await this.formRepository.createQueryBuilder('f')
-      .delete()
-      .where('f.id = :form', { form: id })
-      .execute()
+    await this.formRepository.delete({
+      id,
+    })
   }
 }