diff --git a/pkgs/os-specific/linux/kernel/linux-testing-bcachefs.nix b/pkgs/os-specific/linux/kernel/linux-testing-bcachefs.nix
index 69dfed1bd04c..5aae37418ce8 100644
--- a/pkgs/os-specific/linux/kernel/linux-testing-bcachefs.nix
+++ b/pkgs/os-specific/linux/kernel/linux-testing-bcachefs.nix
@@ -1,15 +1,15 @@
 { stdenv, buildPackages, hostPlatform, fetchgit, perl, buildLinux, ... } @ args:
 
 buildLinux (args // rec {
-  version = "4.11.2017.08.23";
-  modDirVersion = "4.11.0";
+  version = "4.15.2018.02.09";
+  modDirVersion = "4.15.0";
   extraMeta.branch = "master";
   extraMeta.maintainers = [ stdenv.lib.maintainers.davidak ];
 
   src = fetchgit {
     url = "https://evilpiepirate.org/git/bcachefs.git";
-    rev = "fb8082a13d49397346a04ce4d3904569b0287738";
-    sha256 = "18csg2zb4lnhid27h5w95j3g8np29m8y3zfpfgjl1jr2jks64kid";
+    rev = "4506cd5ead31209a6a646c2412cbc7be735ebda4";
+    sha256 = "0fcyf3y27k2lga5na4dhdyc47br840gkqynv8gix297pqxgidrib";
   };
 
   extraConfig = ''
@@ -20,4 +20,3 @@ buildLinux (args // rec {
   extraMeta.hydraPlatforms = [];
 
 } // (args.argsOverride or {}))
-
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 45cf17897bd2..8672e2882a42 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -13009,10 +13009,6 @@ with pkgs;
   linux_testing_bcachefs = callPackage ../os-specific/linux/kernel/linux-testing-bcachefs.nix {
     kernelPatches =
       [ kernelPatches.bridge_stp_helper
-        kernelPatches.p9_fixes
-        # See pkgs/os-specific/linux/kernel/cpu-cgroup-v2-patches/README.md
-        # when adding a new linux version
-        kernelPatches.cpu-cgroup-v2."4.11"
         kernelPatches.modinst_arg_list_too_long
       ]
       ++ lib.optionals ((platform.kernelArch or null) == "mips")