diff --git a/pulseaudio/pulse_config_4mic/seeed-voicecard.conf b/pulseaudio/pulse_config_4mic/seeed-voicecard.conf
index 61b7ff0..1c35e17 100644
--- a/pulseaudio/pulse_config_4mic/seeed-voicecard.conf
+++ b/pulseaudio/pulse_config_4mic/seeed-voicecard.conf
@@ -3,30 +3,14 @@
 [General]
 auto-profiles = no
 [Mapping seeed-source]
-device-strings = ac108
+device-strings = hw:%f
 channel-map = front-left,front-right,rear-left,rear-right
 exact-channels = false
 fallback = yes
 paths-input = seeed-source
 priority = 3
 direction = input
-[Mapping seeed-sink]
-device-strings = playback
-channel-map = front-left,front-right
-exact-channels = false
-fallback = yes
-paths-output = seeed-sink
-direction = output
-priority = 2
-[Profile output:seeed-sink+input:seeed-source]
-output-mappings = seeed-sink
-input-mappings = seeed-source
-priority = 100
-skip-probe = yes
-[Profile output:seeed-sink]
-output-mappings = seeed-sink
-priority = 4
-skip-probe = yes
+
 [Profile input:seeed-source]
 input-mappings = seeed-source
 priority = 5