diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
index b1d7b13..be648bc 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
@@ -1356,20 +1356,7 @@
         } else {
             *inputType = API_INPUT_LEGACY;
         }
-        // adapt channel selection to input source
-        switch (inputSource) {
-        case AUDIO_SOURCE_VOICE_UPLINK:
-            channelMask = AUDIO_CHANNEL_IN_VOICE_UPLINK;
-            break;
-        case AUDIO_SOURCE_VOICE_DOWNLINK:
-            channelMask = AUDIO_CHANNEL_IN_VOICE_DNLINK;
-            break;
-        case AUDIO_SOURCE_VOICE_CALL:
-            channelMask = AUDIO_CHANNEL_IN_VOICE_UPLINK | AUDIO_CHANNEL_IN_VOICE_DNLINK;
-            break;
-        default:
-            break;
-        }
+
         if (inputSource == AUDIO_SOURCE_HOTWORD) {
             ssize_t index = mSoundTriggerSessions.indexOfKey(session);
             if (index >= 0) {