diff --git a/system/default.nix b/system/default.nix
index fc9ea90..8b099c1 100644
--- a/system/default.nix
+++ b/system/default.nix
@@ -51,7 +51,7 @@ in
       # useOSProber = true;
 
       # extra grub entry for memory testing
-      memtest86.enable = true;
+      # memtest86.enable = true;
     };
 
     # use tmpfs for /tmp to minimize disk wear