diff --git a/pkgs/os-specific/linux/kernel/common-config.nix b/pkgs/os-specific/linux/kernel/common-config.nix
index ef061459191..4f08e5a6fd8 100644
--- a/pkgs/os-specific/linux/kernel/common-config.nix
+++ b/pkgs/os-specific/linux/kernel/common-config.nix
@@ -6,7 +6,9 @@ with stdenv.lib;
   # Power management and debugging.
   DEBUG_KERNEL y
   PM_ADVANCED_DEBUG y
-  PM_RUNTIME y
+  ${optionalString (versionOlder version "3.19") ''
+    PM_RUNTIME y
+  ''}
   ${optionalString (versionAtLeast version "3.10") ''
     X86_INTEL_PSTATE y
   ''}
diff --git a/pkgs/os-specific/linux/kernel/linux-testing.nix b/pkgs/os-specific/linux/kernel/linux-testing.nix
index 69cefcda698..ce94288529e 100644
--- a/pkgs/os-specific/linux/kernel/linux-testing.nix
+++ b/pkgs/os-specific/linux/kernel/linux-testing.nix
@@ -1,13 +1,13 @@
 { stdenv, fetchurl, ... } @ args:
 
 import ./generic.nix (args // rec {
-  version = "3.18-rc7";
-  modDirVersion = "3.18.0-rc7";
-  extraMeta.branch = "3.18";
+  version = "3.19-rc5";
+  modDirVersion = "3.19.0-rc5";
+  extraMeta.branch = "3.19";
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v3.x/testing/linux-${version}.tar.xz";
-    sha256 = "1zq7jd33jq4ibvjdsj8cm4zlgjag7j8r7w7ajmzivr7npdb9fvvk";
+    sha256 = "1n1bzdczqi9lqb6sahm1g9f59v1h6vp6r4skyi40dk3v2xacb0nw";
   };
 
   features.iwlwifi = true;