diff --git a/config b/config
index 64a1fc7..c8819ba 100644
--- a/config
+++ b/config
@@ -149,7 +149,6 @@ bindsym $mod+Shift+i nop "workspace-info"
 
 # Random rules
 no_focus [window_type="splash"]
-for_window [tiling] border pixel 3
 for_window [class="Shadow"] fullscreen enable
 for_window [window_role="PictureInPicture"] floating enable
 for_window [title="Firefox — Sharing Indicator"] border none, sticky enable, move position 20 ppt -5 px
diff --git a/dotfiles/xsession b/dotfiles/xsession
index 58e82d5..1f745df 100644
--- a/dotfiles/xsession
+++ b/dotfiles/xsession
@@ -13,6 +13,9 @@ export QT_QPA_PLATFORMTHEME=qt5ct
 # GTK3 apps try to contact org.a11y.Bus. Disable that.
 export NO_AT_BRIDGE=1
 
+# GTK3 apps should not use CSD
+export GTK_CSD=0
+
 # Environment variables
 unset LC_ALL
 [ -e ~/.zshenv ] && . ~/.zshenv