diff --git a/modules/services/acme/module.nix b/modules/services/acme/module.nix
index 667f7f0..1aa1837 100644
--- a/modules/services/acme/module.nix
+++ b/modules/services/acme/module.nix
@@ -26,10 +26,9 @@ in {
       # it has much higher rate limits.
       # server = "https://acme-staging-v02.api.letsencrypt.org/directory";
     };
-    certs = {
-      "copeberg.org" = mkAcmeCert "copeberg.org";
-      "info.copeberg.org" = mkAcmeCert "info.copeberg.org";
-      "mail.charlieroot.dev" = mkAcmeCert "mail.charlieroot.dev";
-    };
+    # certs = {
+    #   "copeberg.org" = mkAcmeCert "copeberg.org";
+    #   "info.copeberg.org" = mkAcmeCert "info.copeberg.org";
+    # };
   };
 }
diff --git a/modules/system/hardware/power.nix b/modules/system/hardware/power.nix
index 93d14ff..7e55a66 100644
--- a/modules/system/hardware/power.nix
+++ b/modules/system/hardware/power.nix
@@ -89,6 +89,14 @@ in {
         logEvents = true;
       };
 
+      # INFO: Only works on Intel
+      undervolt = {
+        enable = true;
+
+        tempBat = 65;
+        package = pkgs.undervolt;
+      };
+
       auto-cpufreq = {
         enable = false;
         settings = {