diff --git a/nixos/modules/programs/environment.nix b/nixos/modules/programs/environment.nix
index 401d152941a0..06ebb7bc729b 100644
--- a/nixos/modules/programs/environment.nix
+++ b/nixos/modules/programs/environment.nix
@@ -33,8 +33,6 @@ in
     environment.profileRelativeEnvVars =
       { PATH = [ "/bin" ];
         INFOPATH = [ "/info" "/share/info" ];
-        PKG_CONFIG_PATH = [ "/lib/pkgconfig" ];
-        PERL5LIB = [ "/lib/perl5/site_perl" ];
         KDEDIRS = [ "" ];
         STRIGI_PLUGIN_PATH = [ "/lib/strigi/" ];
         QT_PLUGIN_PATH = [ "/lib/qt4/plugins" "/lib/kde4/plugins" ];