diff --git a/pkgs/os-specific/linux/kernel/common-config.nix b/pkgs/os-specific/linux/kernel/common-config.nix
index deb1d81775b3..dfb5d2a43e17 100644
--- a/pkgs/os-specific/linux/kernel/common-config.nix
+++ b/pkgs/os-specific/linux/kernel/common-config.nix
@@ -642,6 +642,10 @@ with stdenv.lib;
   TEST_USER_COPY? n
   XZ_DEC_TEST? n
 
+  ${optionalString (versionAtLeast version "4.13") ''
+    TEST_KMOD n
+  ''}
+
   ${optionalString (versionOlder version "4.4") ''
     EFI_TEST? n
     RCU_PERF_TEST? n
diff --git a/pkgs/os-specific/linux/kernel/linux-testing.nix b/pkgs/os-specific/linux/kernel/linux-testing.nix
index 281cc7186b67..5bbee02b9aaf 100644
--- a/pkgs/os-specific/linux/kernel/linux-testing.nix
+++ b/pkgs/os-specific/linux/kernel/linux-testing.nix
@@ -1,13 +1,13 @@
 { stdenv, hostPlatform, fetchurl, perl, buildLinux, ... } @ args:
 
 import ./generic.nix (args // rec {
-  version = "4.13-rc4";
-  modDirVersion = "4.13.0-rc4";
+  version = "4.13-rc6";
+  modDirVersion = "4.13.0-rc6";
   extraMeta.branch = "4.13";
 
   src = fetchurl {
     url = "https://git.kernel.org/torvalds/t/linux-${version}.tar.gz";
-    sha256 = "00yiihmgifvl4bas861p87166nb1mf59b6nm5jsfk2zr27pszlyx";
+    sha256 = "06jdbgihdjmq84d7km43f3w6d3hwmbnv3sgzip3nhx77l14cp7f2";
   };
 
   features.iwlwifi = true;