diff --git a/pkgs/os-specific/linux/kernel-headers/2.4.nix b/pkgs/os-specific/linux/kernel-headers/2.4.nix
deleted file mode 100644
index 9457769f5efb..000000000000
--- a/pkgs/os-specific/linux/kernel-headers/2.4.nix
+++ /dev/null
@@ -1,54 +0,0 @@
-{stdenv, fetchurl, perl, cross ? null}:
-
-assert cross == null -> stdenv.isLinux;
-
-let
-  version = "2.4.37.9";
-  kernelHeadersBaseConfig = if cross == null then
-      stdenv.platform.kernelHeadersBaseConfig
-    else
-      cross.platform.kernelHeadersBaseConfig;
-in
-
-stdenv.mkDerivation {
-  name = "linux-headers-${version}";
-
-  src = fetchurl {
-    url = "mirror://kernel/linux/kernel/v2.4/linux-${version}.tar.bz2";
-    sha256 = "08rca9lcb5l5w483hgaqk8pi2njd7cmwpkifjqxwlb3g8liz4r5g";
-  };
-
-  targetConfig = if cross != null then cross.config else null;
-
-  platform =
-    if cross != null then cross.platform.kernelArch else
-    if stdenv.system == "i686-linux" then "i386" else
-    if stdenv.system == "x86_64-linux" then "x86_64" else
-    if stdenv.system == "powerpc-linux" then "powerpc" else
-    if stdenv.isArm then "arm" else
-    abort "don't know what the kernel include directory is called for this platform";
-
-  buildInputs = [perl];
-
-  patchPhase = ''
-    sed -i s,/bin/pwd,pwd, Makefile
-  '';
-
-  extraIncludeDirs =
-    if cross != null then
-      (if cross.arch == "powerpc" then ["ppc"] else [])
-    else if stdenv.system == "powerpc-linux" then ["ppc"] else [];
-
-  buildPhase = ''
-    cp arch/$platform/${kernelHeadersBaseConfig} .config
-    make mrproper symlinks include/linux/{version,compile}.h \
-      ARCH=$platform
-    yes "" | make oldconfig ARCH=$platform
-  '';
-
-  installPhase = ''
-    mkdir -p $out/include
-    cp -a include/{asm,asm-$platform,acpi,linux,pcmcia,scsi,video} \
-      $out/include
-  '';
-}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index f06493f57411..7a8453e86fb2 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -12007,14 +12007,6 @@ with pkgs;
 
   lkl = callPackage ../applications/virtualization/lkl { };
 
-  linuxHeaders_2_4 = callPackage ../os-specific/linux/kernel-headers/2.4.nix {
-    cross = if targetPlatform != hostPlatform then targetPlatform else null;
-  };
-
-  linuxHeaders_2_6 = callPackage ../os-specific/linux/kernel-headers/4.4.nix {
-    cross = if targetPlatform != hostPlatform then targetPlatform else null;
-  };
-
   linuxHeaders_4_4 = callPackage ../os-specific/linux/kernel-headers/4.4.nix {
     cross = if targetPlatform != hostPlatform then targetPlatform else null;
   };
@@ -12024,8 +12016,6 @@ with pkgs;
     if targetPlatform != hostPlatform
     then
       { # switch
-        "2.4" = linuxHeaders_2_4;
-        "2.6" = linuxHeaders_2_6;
         "4.4" = linuxHeaders_4_4;
       }.${targetPlatform.platform.kernelMajor}
         or (throw "Unknown linux kernel version")