diff --git a/dot_config/i3/executable_config.tmpl b/dot_config/i3/executable_config.tmpl
index ae3ffa3..4a9d7be 100644
--- a/dot_config/i3/executable_config.tmpl
+++ b/dot_config/i3/executable_config.tmpl
@@ -281,13 +281,13 @@ bindsym $mod+minus scratchpad show
 
 # Starte Programme über Tastaurkombination
 
-# Press $mod+o followed by either c to launch chromium,
+# Press $mod+o followed by either b to launch firefox,
 # Escape or Return to the default mode, respectively.
-set $mode_launcher Launch: [c]hromium [p]avucontrol [a]randr [f]ilemanager
+set $mode_launcher Launch: [b]rowser [p]avucontrol [a]randr [f]ilemanager
 bindsym $mod+o mode "$mode_launcher"
 
 mode "$mode_launcher" {
-    bindsym f exec chromium, mode "default"
+    bindsym f exec firefox, mode "default"
     bindsym p exec pavucontrol, mode "default"
     bindsym a exec arandr, mode "default"
     bindsym f exec pcmanfm, mode "default"
@@ -296,7 +296,7 @@ mode "$mode_launcher" {
     bindsym Return mode "default"
 }
 
-bindsym $mod+b exec chromium
+bindsym $mod+b exec firefox
 bindsym $mod+t exec pcmanfm
 bindsym $mod+n exec wezterm start nmtui
 
diff --git a/dot_config/mimeapps.list b/dot_config/mimeapps.list
deleted file mode 100644
index 7a2516d..0000000
--- a/dot_config/mimeapps.list
+++ /dev/null
@@ -1,12 +0,0 @@
-[Added Associations]
-image/png=lximage-qt.desktop;
-application/pdf=org.gnome.Evince.desktop;
-application/json=userapp-wezterm-vim-LS2K41.desktop;code-oss.desktop;
-
-[Default Applications]
-text/html=chromium.desktop
-x-scheme-handler/http=chromium.desktop
-x-scheme-handler/https=chromium.desktop
-x-scheme-handler/about=chromium.desktop
-x-scheme-handler/unknown=chromium.desktop
-inode/directory=pcmanfm-qt.desktop
diff --git a/dot_config/private_mimeapps.list b/dot_config/private_mimeapps.list
new file mode 100644
index 0000000..5d3a99e
--- /dev/null
+++ b/dot_config/private_mimeapps.list
@@ -0,0 +1,29 @@
+[Added Associations]
+image/png=lximage-qt.desktop;
+application/pdf=org.gnome.Evince.desktop;
+application/json=userapp-wezterm-vim-LS2K41.desktop;code-oss.desktop;
+x-scheme-handler/http=firefox.desktop;
+x-scheme-handler/https=firefox.desktop;
+x-scheme-handler/chrome=firefox.desktop;
+text/html=firefox.desktop;
+application/x-extension-htm=firefox.desktop;
+application/x-extension-html=firefox.desktop;
+application/x-extension-shtml=firefox.desktop;
+application/xhtml+xml=firefox.desktop;
+application/x-extension-xhtml=firefox.desktop;
+application/x-extension-xht=firefox.desktop;
+
+[Default Applications]
+text/html=firefox.desktop
+x-scheme-handler/http=firefox.desktop
+x-scheme-handler/https=firefox.desktop
+x-scheme-handler/about=firefox.desktop
+x-scheme-handler/unknown=firefox.desktop
+inode/directory=pcmanfm-qt.desktop
+x-scheme-handler/chrome=firefox.desktop
+application/x-extension-htm=firefox.desktop
+application/x-extension-html=firefox.desktop
+application/x-extension-shtml=firefox.desktop
+application/xhtml+xml=firefox.desktop
+application/x-extension-xhtml=firefox.desktop
+application/x-extension-xht=firefox.desktop
diff --git a/dot_config/sway/executable_config.tmpl b/dot_config/sway/executable_config.tmpl
index c3a0ece..fd4917c 100644
--- a/dot_config/sway/executable_config.tmpl
+++ b/dot_config/sway/executable_config.tmpl
@@ -258,13 +258,13 @@ bindsym $mod+minus scratchpad show
 
 # Starte Programme über Tastaurkombination
 
-# Press $mod+o followed by either c to launch chromium,
+# Press $mod+o followed by either b to launch firefox,
 # Escape or Return to the default mode, respectively.
-set $mode_launcher Launch: [c]hromium [p]avucontrol [w]displays [f]ilemanager
+set $mode_launcher Launch: [b]rowser [p]avucontrol [w]displays [f]ilemanager
 bindsym $mod+o mode "$mode_launcher"
 
 mode "$mode_launcher" {
-    bindsym c exec chromium, mode "default"
+    bindsym b exec firefox, mode "default"
     bindsym p exec pavucontrol-qt, mode "default"
     bindsym w exec wdisplays, mode "default"
     bindsym f exec pcmanfm-qt, mode "default"
@@ -273,7 +273,7 @@ mode "$mode_launcher" {
     bindsym Return mode "default"
 }
 
-bindsym $mod+b exec chromium
+bindsym $mod+b exec firefox
 bindsym $mod+t exec pcmanfm-qt
 bindsym $mod+n exec wezterm start nmtui