diff --git a/nixos/lib/testing/nodes.nix b/nixos/lib/testing/nodes.nix
index f83f268c88b3..6a90990b1829 100644
--- a/nixos/lib/testing/nodes.nix
+++ b/nixos/lib/testing/nodes.nix
@@ -27,7 +27,6 @@ let
     else
       let
         hostToGuest = {
-          "x86_64-darwin" = "x86_64-linux";
           "aarch64-darwin" = "aarch64-linux";
         };