diff --git a/flake.lock b/flake.lock
index 61e007fe..2854e605 100644
--- a/flake.lock
+++ b/flake.lock
@@ -60,12 +60,12 @@
       },
       "locked": {
         "lastModified": 1,
-        "narHash": "sha256-5zCxdHGOS0OOP7vbgTA1iwv9GVr5JSiths7QmgUsU84=",
-        "path": "/nix/store/9a5k9pfawxzz1sng17si26sc9af39jr1-source/nixpatches",
+        "narHash": "sha256-Xyzfg4qk1lXs816HicoC79jCCgeZJSZz6qvIruhO97c=",
+        "path": "/nix/store/4ilww2yw52yyii5vi1mf2g85zk4hxjrr-source/nixpatches",
         "type": "path"
       },
       "original": {
-        "path": "/nix/store/9a5k9pfawxzz1sng17si26sc9af39jr1-source/nixpatches",
+        "path": "/nix/store/4ilww2yw52yyii5vi1mf2g85zk4hxjrr-source/nixpatches",
         "type": "path"
       }
     },
@@ -103,11 +103,11 @@
     },
     "nixpkgs-unpatched": {
       "locked": {
-        "lastModified": 1673796341,
-        "narHash": "sha256-1kZi9OkukpNmOaPY7S5/+SlCDOuYnP3HkXHvNDyLQcc=",
+        "lastModified": 1674120619,
+        "narHash": "sha256-xLT1FQl7/jNPOEq5q/vmc3AExt1V9LtcjM+QY2+MUpA=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "6dccdc458512abce8d19f74195bb20fdb067df50",
+        "rev": "d7705c01ef0a39c8ef532d1033bace8845a07d35",
         "type": "github"
       },
       "original": {
diff --git a/hosts/common/users.nix b/hosts/common/users.nix
index 3651158d..05ee65fd 100644
--- a/hosts/common/users.nix
+++ b/hosts/common/users.nix
@@ -126,8 +126,8 @@ in
 
     services.openssh = {
       enable = true;
-      permitRootLogin = "no";
-      passwordAuthentication = false;
+      settings.PermitRootLogin = "no";
+      settings.PasswordAuthentication = false;
     };
   };
 }
diff --git a/nixpatches/list.nix b/nixpatches/list.nix
index 3f250b60..98d35efd 100644
--- a/nixpatches/list.nix
+++ b/nixpatches/list.nix
@@ -20,18 +20,6 @@
     sha256 = "sha256-L9Ie80loaP6yl5ZFnJ1b5WMDpvO1QFE8tbrW5HBauko=";
   })
 
-  # nixos/mx-puppet-discord: move to matrix category
-  (fetchurl {
-    url = "https://git.uninsane.org/colin/nixpkgs/commit/87c877fff84717478a96d1b0c65bd2febd350dea.diff";
-    sha256 = "sha256-E5TonCj3f8j7kxApBq/suNT5mB7z8uD00NzI34Qh2SE=";
-  })
-
-  # signaldctl: init at 0.6.1
-  (fetchurl {
-    url = "https://git.uninsane.org/colin/nixpkgs/commit/f3c4303231537422267ca32eb97b37f0a9a11d19.diff";
-    hash = "sha256-9fIAie0x2VxbHDg9iC8/dxaXIrWi8LzHSoDk9cwAZG0=";
-  })
-
   # phosh-mobile-settings 0.21.1 -> 0.23.1
   (fetchpatch {
     # https://github.com/NixOS/nixpkgs/pull/211877
diff --git a/overlays/pins.nix b/overlays/pins.nix
index 03eaae1d..0d5d839a 100644
--- a/overlays/pins.nix
+++ b/overlays/pins.nix
@@ -30,9 +30,6 @@
     #   error: 1 dependencies of derivation '/nix/store/ny21xyicbgim5wy7ksg2hibd9gn7i01b-nixos-system-moby-23.05pre-git.drv' failed to build
     nheko
 
-    # TODO(unpin): broken build on 2023/01/16, all platforms: <https://github.com/NixOS/nixpkgs/pull/208251>
-    # fix in PR: <https://github.com/NixOS/nixpkgs/pull/211135>
-    kitty
     # TODO(unpin): broken build on 2023/01/16. <https://hydra.nixos.org/build/205551450>
     handbrake
   ;