diff --git a/nixos/modules/services/web-apps/grav.nix b/nixos/modules/services/web-apps/grav.nix
index 3874f6452106..4feb67cfcadf 100644
--- a/nixos/modules/services/web-apps/grav.nix
+++ b/nixos/modules/services/web-apps/grav.nix
@@ -231,7 +231,6 @@ in
           extraConfig = ''
             index index.php index.html /index.php$request_uri;
             add_header X-Content-Type-Options nosniff;
-            add_header X-XSS-Protection "1; mode=block";
             add_header X-Download-Options noopen;
             add_header X-Permitted-Cross-Domain-Policies none;
             add_header X-Frame-Options sameorigin;