diff --git a/nixos/profiles/common/core/nix/nix.nix b/nixos/profiles/common/core/nix/nix.nix
index 27c5f8b..637d004 100644
--- a/nixos/profiles/common/core/nix/nix.nix
+++ b/nixos/profiles/common/core/nix/nix.nix
@@ -22,7 +22,12 @@
     ];
 
     trusted-users = ["@wheel"];
-    experimental-features = ["auto-allocate-uids" "cgroups"];
+    experimental-features = [
+      "auto-allocate-uids"
+      "cgroups"
+      "no-url-literals"
+    ];
+    allow-import-from-derivation = false;
     auto-allocate-uids = true;
     builders-use-substitutes = true;
     use-cgroups = true;