diff --git a/morph/grid/testing/testing001-hardware.nix b/morph/grid/testing/testing001-hardware.nix
index 958a247862a7e4bb2581e7d1bb85cc0f85f3ea24..3943a3755660086a646b3ab03a7660327369499f 100644
--- a/morph/grid/testing/testing001-hardware.nix
+++ b/morph/grid/testing/testing001-hardware.nix
@@ -1,6 +1,7 @@
 {
   imports = [ <nixpkgs/nixos/modules/virtualisation/amazon-image.nix> ];
   ec2.hvm = true;
+  boot.kernel.sysctl = { "vm.swappiness" = 0; };
 
   boot.supportedFilesystems = [ "zfs" ];
   networking.hostId = "10000000";