diff --git a/audio/aidl/default/alsa/Utils.cpp b/audio/aidl/default/alsa/Utils.cpp
index c08836c..8eaf162 100644
--- a/audio/aidl/default/alsa/Utils.cpp
+++ b/audio/aidl/default/alsa/Utils.cpp
@@ -80,11 +80,8 @@
 
 const AudioChannelCountToMaskMap& getSupportedChannelOutLayoutMap() {
     static const std::set<AudioChannelLayout> supportedOutChannelLayouts = {
-            DEFINE_CHANNEL_LAYOUT_MASK(MONO),          DEFINE_CHANNEL_LAYOUT_MASK(STEREO),
-            DEFINE_CHANNEL_LAYOUT_MASK(2POINT1),       DEFINE_CHANNEL_LAYOUT_MASK(QUAD),
-            DEFINE_CHANNEL_LAYOUT_MASK(PENTA),         DEFINE_CHANNEL_LAYOUT_MASK(5POINT1),
-            DEFINE_CHANNEL_LAYOUT_MASK(6POINT1),       DEFINE_CHANNEL_LAYOUT_MASK(7POINT1),
-            DEFINE_CHANNEL_LAYOUT_MASK(7POINT1POINT4), DEFINE_CHANNEL_LAYOUT_MASK(22POINT2),
+            DEFINE_CHANNEL_LAYOUT_MASK(MONO),
+            DEFINE_CHANNEL_LAYOUT_MASK(STEREO),
     };
     static const AudioChannelCountToMaskMap outLayouts =
             make_ChannelCountToMaskMap(supportedOutChannelLayouts);