diff --git a/test-nix-versions.nix b/test-nix-versions.nix
deleted file mode 100644
index bda4621a1..000000000
--- a/test-nix-versions.nix
+++ /dev/null
@@ -1,15 +0,0 @@
-{ lib
-, fileset
-, stdenv
-, client
-, daemon
-}:
-
-stdenv.mkDerivation {
-  name =
-    "nix-tests"
-    + lib.optionalString
-      (lib.versionAtLeast daemon.version "2.4pre20211005" &&
-       lib.versionAtLeast client.version "2.4pre20211005")
-      "-${client.version}-against-${daemon.version}";
-}