diff --git a/_gui/_configs/qtile/config.py b/_gui/_configs/qtile/config.py
index ccb1ef1..5ee0d5b 100644
--- a/_gui/_configs/qtile/config.py
+++ b/_gui/_configs/qtile/config.py
@@ -26,6 +26,10 @@ def autostop():
     autostop = os.path.expanduser('~/.config/qtile/stop.sh')
     subprocess.run([autostop])
 
+@hook.subscribe.suspend
+def suspend():
+    qtile.spawn("swaylock --image ~/.config/qtile/wallpaper.img")
+
 mod = "mod4"
 groups = [
     Group("1", label="\uf292"),
@@ -75,12 +79,12 @@ keys = [
     # WM control
     Key([mod], "f", lazy.window.toggle_floating()),
     Key([mod], "q", lazy.window.kill()),
-    Key([mod, "control", "shift"], "l", lazy.spawn("physlock")),
+    Key([mod, "control", "shift"], "l", lazy.spawn("swaylock --image ~/.config/qtile/wallpaper.img")),
     Key([mod, "control", "shift"], "q", lazy.shutdown()),
     Key([mod, "control", "shift"], "r", lazy.reload_config()),
     Key([mod], "r", lazy.reload_config()),
     # media keys
-    Key([], "XF86AudioMute",         lazy.spawn("sb-volume mute")),
+    Key([], "XF86AudioMute",         lazy.spawn("pactl set-sink-mute @DEFAULT_SINK@ toggle")),
     Key([], "XF86AudioMicMute",      lazy.spawn("sb-volume micmute")),
     Key([], "XF86AudioRaiseVolume",  lazy.spawn("sb-volume inc")),
     Key([], "XF86AudioLowerVolume",  lazy.spawn("sb-volume dec")),
diff --git a/_gui/_scripts/sb-volume b/_gui/_scripts/sb-volume
index c23a200..cb8b610 100755
--- a/_gui/_scripts/sb-volume
+++ b/_gui/_scripts/sb-volume
@@ -12,18 +12,6 @@ key_micmute() {
   esac
 }
 
-key_mute() {
-  state=$(pactl get-sink-mute @DEFAULT_SINK@ | awk -F': ' '{print $2}')
-  case ${state} in
-    yes)
-      echo 0 | doas tee /sys/devices/platform/thinkpad_acpi/leds/platform::mute/brightness
-      pactl set-sink-mute @DEFAULT_SINK@ 0 ;;
-    no)
-      echo 1 | doas tee /sys/devices/platform/thinkpad_acpi/leds/platform::mute/brightness
-      pactl set-sink-mute @DEFAULT_SINK@ 1 ;;
-  esac
-}
-
 vol_decrease() {
   pactl set-sink-volume @DEFAULT_SINK@ -5%
   volume=$(pactl get-sink-volume @DEFAULT_SINK@ | head -n 1 | awk -F' / *' '{print $2}')
@@ -41,7 +29,6 @@ if [ $1 ]; then
     dec) vol_decrease ;;
     inc) vol_increase ;;
     micmute) key_micmute ;;
-    mute) key_mute ;;
   esac
 else
   vol=$(pactl get-sink-volume @DEFAULT_SINK@ | awk -F' / ' '{print $2}' | tr -d '%')