diff --git a/pkgs/os-specific/linux/htop/default.nix b/pkgs/os-specific/linux/htop/default.nix
index e7691f1006f..6a232099351 100644
--- a/pkgs/os-specific/linux/htop/default.nix
+++ b/pkgs/os-specific/linux/htop/default.nix
@@ -10,5 +10,6 @@ stdenv.mkDerivation rec {
   meta = {
     description = "An interactive process viewer for Linux";
     homepage = "http://htop.sourceforge.net";
+    platforms = stdenv.lib.platforms.linux;
   };
 }
diff --git a/pkgs/os-specific/linux/iptables/default.nix b/pkgs/os-specific/linux/iptables/default.nix
index 1f56a92efe1..2f447f72ab2 100644
--- a/pkgs/os-specific/linux/iptables/default.nix
+++ b/pkgs/os-specific/linux/iptables/default.nix
@@ -23,5 +23,6 @@ stdenv.mkDerivation rec {
   meta = {
     description = "A program to configure the Linux IP packet filtering ruleset";
     homepage = http://www.netfilter.org/projects/iptables/index.html;
+    platforms = stdenv.lib.platforms.linux;
   };
 }
diff --git a/pkgs/top-level/release.nix b/pkgs/top-level/release.nix
index 01d21a49e64..dc5d0f387e9 100644
--- a/pkgs/top-level/release.nix
+++ b/pkgs/top-level/release.nix
@@ -159,8 +159,6 @@ with (import ./release-lib.nix);
   inetutils = linux;
   inkscape = linux;
   iputils = linux;
-  iproute = linux;
-  iptables = linux;
   irssi = linux;
   jfsutils = linux;
   jfsrec = linux;
@@ -228,7 +226,6 @@ with (import ./release-lib.nix);
   openssh = linux;
   openssl = all;
   pam_console = linux;
-  pam_ldap = linux;
   pam_login = linux;
   pam_unix2 = linux;
   pan = gtkSupported;