diff --git a/audio/aidl/default/Stream.cpp b/audio/aidl/default/Stream.cpp
index d62ca1d..49ad2f2 100644
--- a/audio/aidl/default/Stream.cpp
+++ b/audio/aidl/default/Stream.cpp
@@ -31,6 +31,8 @@
 using aidl::android::media::audio::common::AudioLatencyMode;
 using aidl::android::media::audio::common::AudioOffloadInfo;
 using aidl::android::media::audio::common::AudioPlaybackRate;
+using aidl::android::media::audio::common::MicrophoneDynamicInfo;
+using aidl::android::media::audio::common::MicrophoneInfo;
 using android::hardware::audio::common::getChannelCount;
 using android::hardware::audio::common::getFrameSizeInBytes;