diff --git a/pkgs/os-specific/linux/firmware/radeon-juniper-pfp/default.nix b/pkgs/os-specific/linux/firmware/radeon-juniper-pfp/default.nix
index 34eeed68743..f602ef7d1d4 100644
--- a/pkgs/os-specific/linux/firmware/radeon-juniper-pfp/default.nix
+++ b/pkgs/os-specific/linux/firmware/radeon-juniper-pfp/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation {
   name = "radeon-juniper-pfp-firmware-2010-04-08";
 
   src = fetchurl {
diff --git a/pkgs/os-specific/linux/firmware/radeon-r600/default.nix b/pkgs/os-specific/linux/firmware/radeon-r600/default.nix
index ed44b2eed78..9a298ab96d4 100644
--- a/pkgs/os-specific/linux/firmware/radeon-r600/default.nix
+++ b/pkgs/os-specific/linux/firmware/radeon-r600/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation {
   name = "radeon-r600-firmware-2009-12-09";
 
   src = fetchurl {
diff --git a/pkgs/os-specific/linux/firmware/radeon-r700/default.nix b/pkgs/os-specific/linux/firmware/radeon-r700/default.nix
index 92e95973799..09342f687e9 100644
--- a/pkgs/os-specific/linux/firmware/radeon-r700/default.nix
+++ b/pkgs/os-specific/linux/firmware/radeon-r700/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation {
   name = "radeon-r700-firmware-2009-12-09";
 
   src = fetchurl {