diff --git a/hosts/del/configuration.nix b/hosts/del/configuration.nix
index 9246eec..f0950a0 100644
--- a/hosts/del/configuration.nix
+++ b/hosts/del/configuration.nix
@@ -44,8 +44,6 @@
     };
 
     environment.sessionVariables = {
-        MOZ_ENABLE_WAYLAND = "1";
-
         CHROME_EXECUTABLE = "${pkgs.ungoogled-chromium}/bin/chromium";
     };
 
diff --git a/hosts/niks/configuration.nix b/hosts/niks/configuration.nix
index 6f0e2b2..ac1e172 100644
--- a/hosts/niks/configuration.nix
+++ b/hosts/niks/configuration.nix
@@ -67,8 +67,6 @@
     };
 
     environment.sessionVariables = {
-        MOZ_ENABLE_WAYLAND = "1";
-
         CHROME_EXECUTABLE = "${pkgs.ungoogled-chromium}/bin/chromium";
 
         MALLOC_PERTURB_ = "$(($RANDOM % 255 + 1))";
diff --git a/modules/gui/firefox.nix b/modules/gui/firefox.nix
index d14759e..4f3e593 100644
--- a/modules/gui/firefox.nix
+++ b/modules/gui/firefox.nix
@@ -95,6 +95,10 @@ in {
     config = mkIf cfg.enable {
         nixpkgs.overlays = [ inputs.nur.overlay ];
 
+        environment.sessionVariables = {
+            MOZ_ENABLE_WAYLAND = "1";
+        };
+
         home-manager.users.${username} = {
             xdg.desktopEntries = {
                 firefox-schizo = {