diff --git a/audio/aidl/vts/VtsHalDownmixTargetTest.cpp b/audio/aidl/vts/VtsHalDownmixTargetTest.cpp
index bd3b76b..5aeebde 100644
--- a/audio/aidl/vts/VtsHalDownmixTargetTest.cpp
+++ b/audio/aidl/vts/VtsHalDownmixTargetTest.cpp
@@ -24,10 +24,9 @@
 
 using aidl::android::hardware::audio::effect::Descriptor;
 using aidl::android::hardware::audio::effect::Downmix;
+using aidl::android::hardware::audio::effect::getEffectTypeUuidDownmix;
 using aidl::android::hardware::audio::effect::IEffect;
 using aidl::android::hardware::audio::effect::IFactory;
-using aidl::android::hardware::audio::effect::kDownmixTypeUUID;
-using aidl::android::hardware::audio::effect::kEffectNullUuid;
 using aidl::android::hardware::audio::effect::Parameter;
 
 /**
@@ -122,7 +121,7 @@
 INSTANTIATE_TEST_SUITE_P(
         DownmixTest, DownmixParamTest,
         ::testing::Combine(testing::ValuesIn(EffectFactoryHelper::getAllEffectDescriptors(
-                                   IFactory::descriptor, kDownmixTypeUUID)),
+                                   IFactory::descriptor, getEffectTypeUuidDownmix())),
                            testing::ValuesIn(kTypeValues)),
         [](const testing::TestParamInfo<DownmixParamTest::ParamType>& info) {
             auto descriptor = std::get<PARAM_INSTANCE_NAME>(info.param).second;