diff --git a/nixos/modules/testing/test-instrumentation.nix b/nixos/modules/testing/test-instrumentation.nix
index ed4cfa7805e2..1a11d9ce7c26 100644
--- a/nixos/modules/testing/test-instrumentation.nix
+++ b/nixos/modules/testing/test-instrumentation.nix
@@ -129,9 +129,6 @@ with import ../../lib/qemu-flags.nix { inherit pkgs; };
     users.users.root.initialHashedPassword = mkOverride 150 "";
 
     services.xserver.displayManager.job.logToJournal = true;
-
-    # set default stateVersion to avoid warnings during eval
-    system.stateVersion = mkDefault "18.03";
   };
 
 }