diff --git a/pkgs/test/kernel.nix b/pkgs/test/kernel.nix
index e345d9fa207e..210d69f7ffae 100644
--- a/pkgs/test/kernel.nix
+++ b/pkgs/test/kernel.nix
@@ -2,9 +2,6 @@
 # common-config.nix
 { lib, pkgs }:
 
-with lib;
-with kernel;
-
 let
   lts_kernel = pkgs.linuxPackages.kernel;
 
@@ -14,29 +11,29 @@ let
       structuredExtraConfig = structuredConfig;
     }).configfile.structuredConfig;
 
-  mandatoryVsOptionalConfig = mkMerge [
-    { NIXOS_FAKE_USB_DEBUG = yes;}
-    { NIXOS_FAKE_USB_DEBUG = option yes; }
+  mandatoryVsOptionalConfig = lib.mkMerge [
+    { NIXOS_FAKE_USB_DEBUG = lib.kernel.yes;}
+    { NIXOS_FAKE_USB_DEBUG = lib.kernel.option lib.kernel.yes; }
   ];
 
-  freeformConfig = mkMerge [
-    { NIXOS_FAKE_MMC_BLOCK_MINORS = freeform "32"; } # same as default, won't trigger any error
-    { NIXOS_FAKE_MMC_BLOCK_MINORS = freeform "64"; } # will trigger an error but the message is not great:
+  freeformConfig = lib.mkMerge [
+    { NIXOS_FAKE_MMC_BLOCK_MINORS = lib.kernel.freeform "32"; } # same as default, won't trigger any error
+    { NIXOS_FAKE_MMC_BLOCK_MINORS = lib.kernel.freeform "64"; } # will trigger an error but the message is not great:
   ];
 
-  mkDefaultWorksConfig = mkMerge [
-    { "NIXOS_TEST_BOOLEAN"  = yes; }
-    { "NIXOS_TEST_BOOLEAN"  = lib.mkDefault no; }
+  mkDefaultWorksConfig = lib.mkMerge [
+    { "NIXOS_TEST_BOOLEAN"  = lib.kernel.yes; }
+    { "NIXOS_TEST_BOOLEAN"  = lib.mkDefault lib.kernel.no; }
   ];
 
-  allOptionalRemainOptional = mkMerge [
-    { NIXOS_FAKE_USB_DEBUG = option yes;}
-    { NIXOS_FAKE_USB_DEBUG = option yes;}
+  allOptionalRemainOptional = lib.mkMerge [
+    { NIXOS_FAKE_USB_DEBUG = lib.kernel.option lib.kernel.yes;}
+    { NIXOS_FAKE_USB_DEBUG = lib.kernel.option lib.kernel.yes;}
   ];
 
-  failures = runTests {
+  failures = lib.runTests {
     testEasy = {
-      expr = (getConfig { NIXOS_FAKE_USB_DEBUG = yes;}).NIXOS_FAKE_USB_DEBUG;
+      expr = (getConfig { NIXOS_FAKE_USB_DEBUG = lib.kernel.yes;}).NIXOS_FAKE_USB_DEBUG;
       expected = { tristate = "y"; optional = false; freeform = null; };
     };