diff --git a/audio/aidl/vts/ModuleConfig.h b/audio/aidl/vts/ModuleConfig.h
index bce1de1..0cbf24d 100644
--- a/audio/aidl/vts/ModuleConfig.h
+++ b/audio/aidl/vts/ModuleConfig.h
@@ -157,10 +157,10 @@
         return *config.begin();
     }
 
-    const ndk::ScopedAStatus& onExternalDeviceConnected(
+    ndk::ScopedAStatus onExternalDeviceConnected(
             aidl::android::hardware::audio::core::IModule* module,
             const aidl::android::media::audio::common::AudioPort& port);
-    const ndk::ScopedAStatus& onExternalDeviceDisconnected(
+    ndk::ScopedAStatus onExternalDeviceDisconnected(
             aidl::android::hardware::audio::core::IModule* module,
             const aidl::android::media::audio::common::AudioPort& port);