diff --git a/packages/openapi-v2/test/unit/controller-spec/controller-decorators.test.ts b/packages/openapi-v2/test/unit/controller-spec/controller-decorators.test.ts
index 738813132432..ffc15f3d01ea 100644
--- a/packages/openapi-v2/test/unit/controller-spec/controller-decorators.test.ts
+++ b/packages/openapi-v2/test/unit/controller-spec/controller-decorators.test.ts
@@ -26,9 +26,7 @@ describe('Routing metadata', () => {
 
     @api(expectedSpec)
     class MyController {
-      greet() {
-        return 'Hello world!';
-      }
+      greet() {}
     }
 
     const actualSpec = getControllerSpec(MyController);
@@ -42,9 +40,7 @@ describe('Routing metadata', () => {
 
     @api(expectedSpec)
     class MyController {
-      greet() {
-        return 'Hello world!';
-      }
+      greet() {}
     }
 
     const spec1 = getControllerSpec(MyController);
@@ -57,9 +53,7 @@ describe('Routing metadata', () => {
 
     class MyController {
       @get('/greet', operationSpec)
-      greet() {
-        return 'Hello world!';
-      }
+      greet() {}
     }
 
     const actualSpec = getControllerSpec(MyController);
@@ -169,9 +163,7 @@ describe('Routing metadata', () => {
 
     class MyController {
       @head('/greeting', operationSpec)
-      greet() {
-        return 'Hello world!';
-      }
+      greet() {}
     }
 
     const actualSpec = getControllerSpec(MyController);
@@ -245,16 +237,12 @@ describe('Routing metadata', () => {
 
     class Parent {
       @get('/parent', operationSpec)
-      getParentName() {
-        return 'The Parent';
-      }
+      getParentName() {}
     }
 
     class Child extends Parent {
       @get('/child', operationSpec)
-      getChildName() {
-        return 'The Child';
-      }
+      getChildName() {}
     }
 
     const actualSpec = getControllerSpec(Child);
@@ -282,16 +270,12 @@ describe('Routing metadata', () => {
 
     class Parent {
       @get('/name', operationSpec)
-      getParentName() {
-        return 'The Parent';
-      }
+      getParentName() {}
     }
 
     class Child extends Parent {
       @get('/name', operationSpec)
-      getChildName() {
-        return 'The Child';
-      }
+      getChildName() {}
     }
 
     const actualSpec = getControllerSpec(Child);
@@ -309,16 +293,12 @@ describe('Routing metadata', () => {
 
     class Parent {
       @get('/parent-name', operationSpec)
-      getName() {
-        return 'The Parent';
-      }
+      getName() {}
     }
 
     class Child extends Parent {
       @get('/child-name', operationSpec)
-      getName() {
-        return 'The Child';
-      }
+      getName() {}
     }
 
     const childSpec = getControllerSpec(Child);
@@ -348,15 +328,11 @@ describe('Routing metadata', () => {
 
     class Parent {
       @get('/greet', operationSpec)
-      greet(@param.query.string('msg') msg: string) {
-        return `Parent: ${msg}`;
-      }
+      greet(@param.query.string('msg') msg: string) {}
     }
 
     class Child extends Parent {
-      greet(@param.query.string('message') msg: string) {
-        return `Child: ${msg}`;
-      }
+      greet(@param.query.string('message') msg: string) {}
     }
 
     const childSpec = getControllerSpec(Child);