diff --git a/src/modules/alsa/mixer/profile-sets/sb-omni-surround-5.1.conf b/src/modules/alsa/mixer/profile-sets/sb-omni-surround-5.1.conf
index 84d848351..579506749 100644
--- a/src/modules/alsa/mixer/profile-sets/sb-omni-surround-5.1.conf
+++ b/src/modules/alsa/mixer/profile-sets/sb-omni-surround-5.1.conf
@@ -43,13 +43,6 @@ paths-output = analog-output
 priority = 5
 direction = output
 
-[Mapping analog-surround-40]
-device-strings = surround40:%f
-channel-map = front-left,front-right,rear-left,rear-right
-paths-output = analog-output
-priority = 6
-direction = output
-
 [Mapping analog-surround-41]
 device-strings = surround41:%f
 channel-map = front-left,front-right,rear-left,rear-right,lfe