diff --git a/configs/shells.nix b/configs/shells.nix
index 2b7d220..6472303 100644
--- a/configs/shells.nix
+++ b/configs/shells.nix
@@ -29,13 +29,14 @@ let
 in {
   environment.shellAliases = {
     ns = "nix-shell --run zsh";
-    niveum-switch = "sudo -i nixos-rebuild --fast switch";
-    niveum-upgrade = "sudo -i nix-channel --update && sudo -i nixos-rebuild switch";
+    # niveum-switch = "sudo -i nixos-rebuild --fast switch";
+    # niveum-upgrade = "sudo -i nix-channel --update && sudo -i nixos-rebuild switch";
     nixi = ''nix repl "<nixpkgs>"'';
     grep = "grep --color=auto";
     rm = "rm -i";
     cp = "cp -i";
     mv = "mv -i";
+    niveum-update = "nix-prefetch-git --url https://github.com/NixOS/nixpkgs-channels --rev refs/heads/nixos-18.09 > ~niveum/nixpkgs.json";
   };
 
   environment.interactiveShellInit = "export PATH=$PATH:$HOME/.local/bin:$HOME/.cargo/bin";
@@ -83,13 +84,6 @@ in {
           eval $(nix-build ~niveum/deploy.nix -A "$system") &
         done
       }
-
-      niveum-update() {
-        nix-prefetch-git \                                                                                                                                                              ~master
-          --url https://github.com/NixOS/nixpkgs-channels \
-          --rev refs/heads/nixos-18.09 \
-          > ~niveum/nixpkgs.json
-      }
     '';
     promptInit = ''
       autoload -Uz vcs_info
diff --git a/dot/urxvt.nix b/dot/urxvt.nix
index 2098e86..107861a 100644
--- a/dot/urxvt.nix
+++ b/dot/urxvt.nix
@@ -1,5 +1,6 @@
 { config, pkgs }:
-with import <dot/theme.nix>;
+let theme = import <dot/theme.nix>;
+in
 {
   enable = true;
   package = pkgs.rxvt_unicode-with-plugins;
@@ -9,7 +10,11 @@ with import <dot/theme.nix>;
   };
   scroll.bar.enable = false;
   extraConfig = {
-    perl-ext-common = "default,clipboard,url-select,matcher";
+    perl-ext = "default,url-select";
+    "url-select.launcher" = "/usr/bin/env chromium";
+    "url-select.underline" = true;
+    "colorUL" = theme.colorScheme.blue.light;
+    "perl-lib" = "${pkgs.urxvt_perls}/lib/urxvt/perl";
     urlLauncher = "/usr/bin/env chromium";
     fading = 20;
     iso14755 = false;
diff --git a/dot/xresources.nix b/dot/xresources.nix
index 65e14a9..cc1e049 100644
--- a/dot/xresources.nix
+++ b/dot/xresources.nix
@@ -7,6 +7,9 @@ in with lib; lists.foldr
     "*foreground" = theme.colorScheme.foreground;
     "*fadeColor" = theme.colorScheme.background;
     "*cursorColor" = theme.colorScheme.cursorColor;
+
+    # "URxvt*font" = "-*-clean-*-*-*-*-*-*-*-*-*-*-iso10646-1";
+    # "URxvt*boldFont" = "-*-clean-*-*-*-*-*-*-*-*-*-*-iso10646-1";
     "*.font" = "xft:${theme.terminalFont.name}:size=${toString theme.terminalFont.size}";
     "*.boldFont" = "xft:${theme.terminalFont.name}:style=Bold:size=${toString theme.terminalFont.size}";
     "*.italicFont" = "xft:${theme.terminalFont.name}:style=Italic:size=${toString theme.terminalFont.size}";