diff --git a/packages/repository/src/repositories/legacy-juggler-bridge.ts b/packages/repository/src/repositories/legacy-juggler-bridge.ts
index 8b5732239aaa..4d2bb6ea63e3 100644
--- a/packages/repository/src/repositories/legacy-juggler-bridge.ts
+++ b/packages/repository/src/repositories/legacy-juggler-bridge.ts
@@ -128,7 +128,7 @@ export class DefaultCrudRepository<T extends Entity, ID>
     this.modelClass = dataSource.createModel<juggler.PersistedModelClass>(
       definition.name,
       properties,
-      Object.assign({strict: true}, definition.settings),
+      Object.assign({strict: true}, {strictDelete: true}, definition.settings),
     );
     this.modelClass.attachTo(dataSource);
   }
diff --git a/packages/repository/test/unit/repositories/crud.repository.unit.ts b/packages/repository/test/unit/repositories/crud.repository.unit.ts
index 7f34cb813ff2..9510f1cac3f9 100644
--- a/packages/repository/test/unit/repositories/crud.repository.unit.ts
+++ b/packages/repository/test/unit/repositories/crud.repository.unit.ts
@@ -145,8 +145,10 @@ describe('CrudRepositoryImpl', () => {
   it('delete all entities', async () => {
     await repo.create({id: 1, email: 'john@example.com'});
     await repo.create({id: 2, email: 'mary@example.com'});
-    const count = await repo.deleteAll();
-    expect(count).to.be.eql(2);
+    const deleteCount = await repo.deleteAll();
+    expect(deleteCount).to.be.eql(2);
+    const count = await repo.count();
+    expect(count).to.be.eql(0);
   });
 
   it('count all entities', async () => {
diff --git a/packages/repository/test/unit/repositories/legacy-juggler-bridge.unit.ts b/packages/repository/test/unit/repositories/legacy-juggler-bridge.unit.ts
index eeb1561c303f..cc7823371427 100644
--- a/packages/repository/test/unit/repositories/legacy-juggler-bridge.unit.ts
+++ b/packages/repository/test/unit/repositories/legacy-juggler-bridge.unit.ts
@@ -187,8 +187,10 @@ describe('DefaultCrudRepository', () => {
   it('implements Repository.delete()', async () => {
     const repo = new DefaultCrudRepository(Note, ds);
     const note = await repo.create({title: 't3', content: 'c3'});
-    const result = await repo.delete(note);
-    expect(result).to.eql(true);
+    const deleteResult = await repo.delete(note);
+    expect(deleteResult).to.eql(true);
+    const findResult = await repo.find({where: {title: 't3'}});
+    expect(findResult.length).to.eql(0);
   });
 
   it('implements Repository.deleteById()', async () => {
@@ -196,14 +198,29 @@ describe('DefaultCrudRepository', () => {
     const note = await repo.create({title: 't3', content: 'c3'});
     const result = await repo.deleteById(note.id);
     expect(result).to.eql(true);
+    await expect(repo.findById(note.id)).to.be.rejectedWith(
+      `no ${repo.modelClass.name} found with id "${note.id}"`,
+    );
   });
 
   it('implements Repository.deleteAll()', async () => {
     const repo = new DefaultCrudRepository(Note, ds);
     await repo.create({title: 't3', content: 'c3'});
     await repo.create({title: 't4', content: 'c4'});
-    const result = await repo.deleteAll({title: 't3'});
-    expect(result).to.eql(1);
+    const deleteCount = await repo.deleteAll();
+    expect(deleteCount).to.eql(2);
+    const count = await repo.count();
+    expect(count).to.eql(0);
+  });
+
+  it('implements Repository.deleteAll(<where>)', async () => {
+    const repo = new DefaultCrudRepository(Note, ds);
+    await repo.create({title: 't3', content: 'c3'});
+    await repo.create({title: 't4', content: 'c4'});
+    const deleteCount = await repo.deleteAll({title: 't3'});
+    expect(deleteCount).to.eql(1);
+    const result = await repo.findOne({where: {title: 't3'}});
+    expect(result).to.eql(null);
   });
 
   it('implements Repository.updateById()', async () => {