diff --git a/flake.lock b/flake.lock
index 314d0525..6910c9da 100644
--- a/flake.lock
+++ b/flake.lock
@@ -130,16 +130,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1647297614,
-        "narHash": "sha256-ulGq3W5XsrBMU/u5k9d4oPy65pQTkunR4HKKtTq0RwY=",
+        "lastModified": 1647628626,
+        "narHash": "sha256-PaUonnVA1mg4kd06IsIu2mF2Q9u+GOPp96whZZ7b95Y=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "73ad5f9e147c0d2a2061f1d4bd91e05078dc0b58",
+        "rev": "d609c9c79e467929282a14c4226f823868e2672c",
         "type": "github"
       },
       "original": {
         "owner": "nixos",
-        "ref": "nixos-unstable",
+        "ref": "nixos-unstable-small",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index 8ec4b1e5..a07ccb2d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -19,7 +19,7 @@
       url = "gitlab:simple-nixos-mailserver/nixos-mailserver";
       inputs.nixpkgs.follows = "nixpkgs";
     };
-    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable-small";
     nur.url = "github:nix-community/NUR";
     tetris = {
       url = "github:chvp/tetris";
diff --git a/patches/164501.patch b/patches/164501.patch
deleted file mode 100644
index cb956714..00000000
--- a/patches/164501.patch
+++ /dev/null
@@ -1,35 +0,0 @@
-From 6eaadbe4c3bba6d9471c890faffa276b4e957088 Mon Sep 17 00:00:00 2001
-From: Charlotte Van Petegem <charlotte@vanpetegem.me>
-Date: Wed, 16 Mar 2022 22:46:03 +0100
-Subject: [PATCH] mautrix-whatsapp: 0.2.4 -> 0.3.0
-
----
- pkgs/servers/mautrix-whatsapp/default.nix | 6 +++---
- 1 file changed, 3 insertions(+), 3 deletions(-)
-
-diff --git a/pkgs/servers/mautrix-whatsapp/default.nix b/pkgs/servers/mautrix-whatsapp/default.nix
-index 92f6d1f15ac71..e26743b9edf8b 100644
---- a/pkgs/servers/mautrix-whatsapp/default.nix
-+++ b/pkgs/servers/mautrix-whatsapp/default.nix
-@@ -2,18 +2,18 @@
- 
- buildGoModule rec {
-   pname = "mautrix-whatsapp";
--  version = "0.2.4";
-+  version = "0.3.0";
- 
-   src = fetchFromGitHub {
-     owner = "mautrix";
-     repo = "whatsapp";
-     rev = "v${version}";
--    sha256 = "lBAnMrU292URrZIxPvPIAO50GAFvvZHfUjKMYxZwGb8=";
-+    sha256 = "M44APMnpQU+9TTJu4NF528o0JvGvWja4H7XUcAHtxrA=";
-   };
- 
-   buildInputs = [ olm ];
- 
--  vendorSha256 = "KiNABUZ92gYprTdNAKKMjygr0BzQGVYVPRPMxvYi1VQ=";
-+  vendorSha256 = "o3KTcnMd6Tqt9QIfW29wvN8POIFThNg8AdeGDF5wbVc=";
- 
-   doCheck = false;
-