diff --git a/modules/nixos/themes/a-happy-gnome/config/dconf/desktop.conf b/modules/nixos/themes/a-happy-gnome/config/dconf/desktop.conf
index b417e565..4eb6bb67 100644
--- a/modules/nixos/themes/a-happy-gnome/config/dconf/desktop.conf
+++ b/modules/nixos/themes/a-happy-gnome/config/dconf/desktop.conf
@@ -5,8 +5,9 @@ enable-hot-corners=false
 show-battery-percentage=true
 color-scheme='prefer-dark'
 
+# Input sources that are expected to be installed in the theme.
 [org/gnome/desktop/input-sources/sources]
-sources=[('xkb', 'us'), ('ibus', 'mozc-jp'), ('ibus', 'rime'), ('ibus', 'hangul'), ('ibus', 'typing-booster')]
+sources=[('xkb', 'us'), ('ibus', 'mozc-jp'), ('ibus', 'rime'), ('ibus', 'hangul'), ('ibus', 'table:mathwriter-ibus')]
 
 [org/gnome/desktop/notifications]
 show-banners=true
@@ -69,3 +70,7 @@ show-banners=false
 
 [org/gnome/desktop/notifications/application/org-gnome-evolution-alarm-notify]
 show-banners=false
+
+# Disable several search providers by default.
+[org/gnome/desktop/search-providers]
+disabled=['org.gnome.seahorse.Application.desktop', 'org.gnome.Photos.desktop', 'org.gnome.Epiphany.desktop', 'app.drey.Dialect.desktop', 'com.belmoussaoui.Authenticator.desktop']
diff --git a/modules/nixos/themes/a-happy-gnome/config/dconf/keybindings.conf b/modules/nixos/themes/a-happy-gnome/config/dconf/keybindings.conf
index ed478b4d..d3f54fbc 100644
--- a/modules/nixos/themes/a-happy-gnome/config/dconf/keybindings.conf
+++ b/modules/nixos/themes/a-happy-gnome/config/dconf/keybindings.conf
@@ -39,9 +39,12 @@ toggle-message-tray=['<Super>v']
 restore-shortcuts=@as []
 
 [org/gnome/settings-daemon/plugins/media-keys]
-screensaver=['<Super>Escape']
-logout=['<Shift><Super>Escape']
 help=@as []
+logout=['<Shift><Super>Escape']
+magnifier-zoom-in=['<Shift><Super>plus']
+magnifier-zoom-out=['<Super>minus']
+magnifier=['<Super>equal']
+screensaver=['<Super>Escape']
 
 # Easy resize with the mouse.
 [org/gnome/desktop/wm/preferences]