diff --git a/pkgs/os-specific/linux/kernel/manual-config.nix b/pkgs/os-specific/linux/kernel/manual-config.nix
index ebbc69dec59..60fb0064513 100644
--- a/pkgs/os-specific/linux/kernel/manual-config.nix
+++ b/pkgs/os-specific/linux/kernel/manual-config.nix
@@ -79,7 +79,8 @@ let
       isModular = config.isYes "MODULES";
 
       installsFirmware = (config.isEnabled "FW_LOADER") &&
-        (isModular || (config.isDisabled "FIRMWARE_IN_KERNEL"));
+        (isModular || (config.isDisabled "FIRMWARE_IN_KERNEL")) &&
+        (stdenv.lib.versionOlder version "4.14");
     in (optionalAttrs isModular { outputs = [ "out" "dev" ]; }) // {
       passthru = {
         inherit version modDirVersion config kernelPatches configfile