diff --git a/audio/lynx/config/audio_policy_configuration.xml b/audio/lynx/config/audio_policy_configuration.xml
index 1418903..82bad3c 100644
--- a/audio/lynx/config/audio_policy_configuration.xml
+++ b/audio/lynx/config/audio_policy_configuration.xml
@@ -83,7 +83,7 @@
                 <mixPort name="primary input" role="sink">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="48000"
-                             channelMasks="AUDIO_CHANNEL_IN_MONO AUDIO_CHANNEL_IN_STEREO AUDIO_CHANNEL_INDEX_MASK_3"/>
+                             channelMasks="AUDIO_CHANNEL_IN_MONO AUDIO_CHANNEL_IN_STEREO"/>
                 </mixPort>
                 <mixPort name="hotword input" role="sink" flags="AUDIO_INPUT_FLAG_HW_HOTWORD" maxActiveCount="0" >
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
diff --git a/audio/lynx/config/audio_policy_configuration_a2dp_offload_disabled.xml b/audio/lynx/config/audio_policy_configuration_a2dp_offload_disabled.xml
index 8253dcc..2f1812c 100644
--- a/audio/lynx/config/audio_policy_configuration_a2dp_offload_disabled.xml
+++ b/audio/lynx/config/audio_policy_configuration_a2dp_offload_disabled.xml
@@ -83,7 +83,7 @@
                 <mixPort name="primary input" role="sink">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="48000"
-                             channelMasks="AUDIO_CHANNEL_IN_MONO AUDIO_CHANNEL_IN_STEREO AUDIO_CHANNEL_INDEX_MASK_3"/>
+                             channelMasks="AUDIO_CHANNEL_IN_MONO AUDIO_CHANNEL_IN_STEREO"/>
                 </mixPort>
                 <mixPort name="hotword input" role="sink" flags="AUDIO_INPUT_FLAG_HW_HOTWORD" maxActiveCount="0" >
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
diff --git a/audio/lynx/config/audio_policy_configuration_bluetooth_legacy_hal.xml b/audio/lynx/config/audio_policy_configuration_bluetooth_legacy_hal.xml
index a44a6c5..ce3be39 100644
--- a/audio/lynx/config/audio_policy_configuration_bluetooth_legacy_hal.xml
+++ b/audio/lynx/config/audio_policy_configuration_bluetooth_legacy_hal.xml
@@ -83,7 +83,7 @@
                 <mixPort name="primary input" role="sink">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="48000"
-                             channelMasks="AUDIO_CHANNEL_IN_MONO AUDIO_CHANNEL_IN_STEREO AUDIO_CHANNEL_INDEX_MASK_3"/>
+                             channelMasks="AUDIO_CHANNEL_IN_MONO AUDIO_CHANNEL_IN_STEREO"/>
                 </mixPort>
                 <mixPort name="hotword input" role="sink" flags="AUDIO_INPUT_FLAG_HW_HOTWORD" maxActiveCount="0" >
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
diff --git a/audio/lynx/config/audio_policy_configuration_le_offload_disabled.xml b/audio/lynx/config/audio_policy_configuration_le_offload_disabled.xml
index e0e2b2d..9ec5992 100644
--- a/audio/lynx/config/audio_policy_configuration_le_offload_disabled.xml
+++ b/audio/lynx/config/audio_policy_configuration_le_offload_disabled.xml
@@ -87,7 +87,7 @@
                 <mixPort name="primary input" role="sink">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="48000"
-                             channelMasks="AUDIO_CHANNEL_IN_MONO AUDIO_CHANNEL_IN_STEREO AUDIO_CHANNEL_INDEX_MASK_3"/>
+                             channelMasks="AUDIO_CHANNEL_IN_MONO AUDIO_CHANNEL_IN_STEREO"/>
                 </mixPort>
                 <mixPort name="hotword input" role="sink" flags="AUDIO_INPUT_FLAG_HW_HOTWORD" maxActiveCount="0" >
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"