diff --git a/flake.lock b/flake.lock
index 8afd049..dde3a99 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,11 @@
   "nodes": {
     "emacs-overlay": {
       "locked": {
-        "lastModified": 1622920819,
-        "narHash": "sha256-OhNIHH1NkfFpDghOTQ670xHr8hQWCym/NW1xnfqExl0=",
+        "lastModified": 1622633188,
+        "narHash": "sha256-BrxmSdbYHjkyCr2oWiES8/UONS/veALGToKh+782AWA=",
         "owner": "nix-community",
         "repo": "emacs-overlay",
-        "rev": "8e63b4865f49636c9d990d5946d3d8db132536ec",
+        "rev": "fa30581319280c3f7201c49905e8fd4c7019e6ea",
         "type": "github"
       },
       "original": {
@@ -23,11 +23,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1622917919,
-        "narHash": "sha256-9gAIwbQyLhK78bEV648k4tfLK6JkYiPk9QdTECpLuOE=",
+        "lastModified": 1622789326,
+        "narHash": "sha256-DA7S6uASh1/lswMM0B//utsGPnH/9+L1mY9XzJzlcmI=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "148d85ee8303444fb0116943787aa0b1b25f94df",
+        "rev": "fd5fbb0a241f644908cdf01ccd1821d0606fb4fd",
         "type": "github"
       },
       "original": {
@@ -39,11 +39,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1622922048,
-        "narHash": "sha256-nTyKxe0n7l/4HSmYaIN+63WQrvHrTJY6drSwP7bMqhU=",
+        "lastModified": 1622786510,
+        "narHash": "sha256-jVw4d5ovCMLFc/hF7EDuVIqR14LPekjbW3jWLB8rLiU=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "5de44c15758465f8ddf84d541ba300b48e56eda4",
+        "rev": "4c2e84394c0f372c019e941e95d6fbe21835719b",
         "type": "github"
       },
       "original": {
@@ -55,11 +55,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1622932239,
-        "narHash": "sha256-Pl0cq1avi8QSza3FN4TVyEVd+VuX4VvRvZFfIbN9pPA=",
+        "lastModified": 1622629464,
+        "narHash": "sha256-o7HBgsi0eUkuLheM+ur86900OP+6dQlrawTVDqa20Rk=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "790a4683b8e76834d2a18cafc4fc32bd3ccfa06a",
+        "rev": "239da47116274ee326a965d80b3ed1d3bf08af62",
         "type": "github"
       },
       "original": {
diff --git a/hosts/boreal/default.nix b/hosts/boreal/default.nix
index bc49aec..5930747 100644
--- a/hosts/boreal/default.nix
+++ b/hosts/boreal/default.nix
@@ -14,8 +14,6 @@ in
       ./home.nix
     ];
 
-  boot.kernelPackages = pkgs.linuxPackages_latest;
-
   # Use the systemd-boot EFI boot loader.
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;