diff --git a/pkgs/os-specific/linux/firmware/firmware-linux-nonfree/default.nix b/pkgs/os-specific/linux/firmware/firmware-linux-nonfree/default.nix
index c251e3963e7..5323b941227 100644
--- a/pkgs/os-specific/linux/firmware/firmware-linux-nonfree/default.nix
+++ b/pkgs/os-specific/linux/firmware/firmware-linux-nonfree/default.nix
@@ -15,9 +15,9 @@ stdenv.mkDerivation rec {
   # Firmware blobs do not need fixing and should not be modified
   dontFixup = true;
 
-  outputHashMode = "recursive";
-  outputHashAlgo = "sha256";
-  outputHash = "1q3zqa3xxg4679p893xzwpa43afvdnnkg5xb0qs6mac75sizngid";
+  postInstall = ''
+    rm $out/lib/firmware/iwlwifi-cc-a0-48.ucode
+  '';
 
   meta = with stdenv.lib; {
     description = "Binary firmware collection packaged by kernel.org";