diff --git a/modules/nixos/profiles/browsers.nix b/modules/nixos/profiles/browsers.nix
index 5858177c..52d90fba 100644
--- a/modules/nixos/profiles/browsers.nix
+++ b/modules/nixos/profiles/browsers.nix
@@ -89,7 +89,6 @@ in
                   default_area = "navbar";
                 };
                 "firefox-translations-addon@mozilla.org".install_url = mozillaAddon "firefox-translations";
-                "fx_cast@matt.tf".install_url = "https://github.com/hensm/fx_cast/releases/download/v0.3.1/fx_cast-0.3.1.xpi";
                 "jid1-MnnxcxisBPnSXQ@jetpack".install_url = mozillaAddon "privacy-badger17";
                 "tridactyl.vim@cmcaine.co.uk".install_url = mozillaAddon "tridactyl-vim";
                 "uBlock0@raymondhill.net".install_url = mozillaAddon "ublock-origin";
@@ -154,7 +153,6 @@ in
         # be used.
         nativeMessagingHosts = {
           ff2mpv = true;
-          fxCast = true;
           tridactyl = true;
         };
 
diff --git a/overlays/firefox-foodogsquared/default.nix b/overlays/firefox-foodogsquared/default.nix
index 59d46b42..c4027633 100644
--- a/overlays/firefox-foodogsquared/default.nix
+++ b/overlays/firefox-foodogsquared/default.nix
@@ -7,7 +7,6 @@ final: prev:
       ff2mpv
       bukubrow
       tridactyl-native
-      fxcast-bridge
     ];
 
     extraPolicies = {
@@ -59,7 +58,6 @@ final: prev:
             };
             "FirefoxColor@mozilla.com".install_url = mozillaAddon "firefox-color";
             "firefox-translations-addon@mozilla.org".install_url = mozillaAddon "firefox-translations";
-            "fx_cast@matt.tf".install_url = "https://github.com/hensm/fx_cast/releases/download/v0.3.1/fx_cast-0.3.1.xpi";
             "jid1-MnnxcxisBPnSXQ@jetpack".install_url = mozillaAddon "privacy-badger17";
             "regrets-reporter@mozillafoundation.org".install_url = mozillaAddon "regretsreporter";
             "tridactyl.vim@cmcaine.co.uk".install_url = mozillaAddon "tridactyl-vim";
diff --git a/users/home-manager/foo-dogsquared/modules/programs/browsers.nix b/users/home-manager/foo-dogsquared/modules/programs/browsers.nix
index 0127dcc9..d39867e4 100644
--- a/users/home-manager/foo-dogsquared/modules/programs/browsers.nix
+++ b/users/home-manager/foo-dogsquared/modules/programs/browsers.nix
@@ -60,7 +60,6 @@ in
           nativeMessagingHosts = with pkgs; [
             bukubrow
             tridactyl-native
-            fx-cast-bridge
           ] ++ lib.optional config.programs.mpv.enable pkgs.ff2mpv;
 
           extraPolicies = {