diff --git a/system/kaladin/configuration.nix b/system/kaladin/configuration.nix
index 695e837..09d205b 100644
--- a/system/kaladin/configuration.nix
+++ b/system/kaladin/configuration.nix
@@ -76,19 +76,6 @@
   # Turn on flatpak
   services.flatpak.enable = true;
 
-  #NEWS!!!
-  # Some other things
-  services.thermald.enable = true;
-  services.tlp = {
-    enable = true;
-    settings = {
-      CPU_SCALING_GOVERNOR_ON_AC="performance";
-      CPU_SCALING_GOVERNOR_ON_BAT="powersave";
-      START_CHARGE_THRESH_BAT1=70;
-      STOP_CHARGE_THRESH_BAT1=80;
-    };
-  };
-
   services.usbmuxd.enable = true;
   services.fstrim.enable = true;
 
diff --git a/system/syl/configuration.nix b/system/syl/configuration.nix
index 695e837..4b36c7f 100644
--- a/system/syl/configuration.nix
+++ b/system/syl/configuration.nix
@@ -2,7 +2,7 @@
 # your system.  Help is available in the configuration.nix(5) man page
 # and in the NixOS manual (accessible by running ‘nixos-help’).
 
-{ config, pkgs, ... }:
+{ config, pkgs, callPackage, ... }:
 
 {
   imports =
@@ -148,6 +148,7 @@
   nixpkgs.overlays = [
     (import (builtins.fetchTarball {
       url = https://github.com/nix-community/emacs-overlay/archive/master.tar.gz;
+      sha256 = "1pd14gigm5bznzd8k88dq9scicw1zqknm87bnqmd0z556g9ir60f";
     }))
   ];
   services.emacs.enable = true;