diff --git a/conf/distro/HULKs-OS.conf b/conf/distro/HULKs-OS.conf
index b96fe3b..6040c2b 100644
--- a/conf/distro/HULKs-OS.conf
+++ b/conf/distro/HULKs-OS.conf
@@ -2,4 +2,4 @@ require conf/distro/nao-core-minimal.conf
 
 DISTRO = "HULKs-OS"
 DISTRO_NAME = "HULKs-OS"
-DISTRO_VERSION = "5.7.2"
+DISTRO_VERSION = "5.7.3"
diff --git a/recipes-bsp/alsa-state/alsa-state/asound.conf b/recipes-bsp/alsa-state/alsa-state/asound.conf
index 58a467f..e69de29 100644
--- a/recipes-bsp/alsa-state/alsa-state/asound.conf
+++ b/recipes-bsp/alsa-state/alsa-state/asound.conf
@@ -1,52 +0,0 @@
-pcm.softvol_rear {
-  type softvol
-  slave {
-    pcm "hw:PCH,0,0"
-  }
-  control {
-    name "Mic Boost Rear"
-    card 0
-  }
-  max_dB 49.0
-}
-
-pcm.softvol_front {
-  type softvol
-  slave {
-    pcm "hw:PCH,0,1"
-  }
-  control {
-    name "Mic Boost Front"
-    card 0
-  }
-  max_dB 49.0
-}
-
-#input device
-pcm.!PCH_input {
-type multi
-  slaves.a.pcm "softvol_rear"
-  slaves.a.channels 2
-  slaves.b.pcm "softvol_front"
-  slaves.b.channels 2
-  bindings.0.slave a
-  bindings.0.channel 0
-  bindings.1.slave a
-  bindings.1.channel 1
-  bindings.2.slave b
-  bindings.2.channel 0
-  bindings.3.slave b
-  bindings.3.channel 1
-}
-
-pcm.!default {
-  type asym
-  playback.pcm {
-    type plug
-    slave.pcm "hw:0,0"
-  }
-  capture.pcm {
-    type plug
-    slave.pcm "PCH_input"
-  }
-}