diff --git a/nixos/system-tests.nix b/nixos/system-tests.nix
index 819b5c738eca08b95d3c85b14088a2bf6c000dbf..eafd712cc141bd3ba7c9f6f824d06cb950745ec0 100644
--- a/nixos/system-tests.nix
+++ b/nixos/system-tests.nix
@@ -6,6 +6,13 @@ let
   pkgs' = pkgs.extend (self: super: { ourpkgs = self.callPackage ./pkgs {}; });
 in {
   private-storage = pkgs'.nixosTest ./tests/private-storage.nix;
-  spending = pkgs'.nixosTest ./tests/spending.nix;
+
+  # The spending service is not deployed so it doesn't seem *necessary* to run
+  # its test suite here.  The packaging still uses mach-nix which is
+  # incompatible with NixOS 22.11 so we can't actually load the ZKAP spending
+  # service derivation anymore.  So ... disable the test suite.
+  #
+  # spending = pkgs'.nixosTest ./tests/spending.nix;
+
   tahoe = pkgs'.nixosTest ./tests/tahoe.nix;
 }