diff --git a/pkgs/os-specific/linux/kernel/linux-hardened-copperhead.nix b/pkgs/os-specific/linux/kernel/linux-hardened-copperhead.nix
index 863b6dcae78..707ed10ea0c 100644
--- a/pkgs/os-specific/linux/kernel/linux-hardened-copperhead.nix
+++ b/pkgs/os-specific/linux/kernel/linux-hardened-copperhead.nix
@@ -3,9 +3,9 @@
 with stdenv.lib;
 
 let
-  version = "4.14.2";
+  version = "4.14.3";
   revision = "a";
-  sha256 = "0bpkff1phc68shw6spkhd6zbxgjkgvdglym8b2hp383h14845qhb";
+  sha256 = "18pcmi927gw4a0ih09fq1wv0jbzp1z42a8kga8ralcac828i6gi3";
 
   # modVersion needs to be x.y.z, will automatically add .0 if needed
   modVersion = concatStrings (intersperse "." (take 3 (splitString "." "${version}.0")));
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 069124667e0..6be0560abb8 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -12515,7 +12515,6 @@ with pkgs;
   linux_hardened_copperhead = callPackage ../os-specific/linux/kernel/linux-hardened-copperhead.nix {
     kernelPatches = with kernelPatches; [
       kernelPatches.bridge_stp_helper
-      kernelPatches.p9_fixes
       kernelPatches.modinst_arg_list_too_long
       kernelPatches.cpu-cgroup-v2."4.11"
       kernelPatches.tag_hardened