diff --git a/hosts/raspberry/raspberry.nix b/hosts/raspberry/raspberry.nix
index 4170baf..c761ece 100644
--- a/hosts/raspberry/raspberry.nix
+++ b/hosts/raspberry/raspberry.nix
@@ -22,7 +22,8 @@
     imports = with tree; [ home.base home.dev.small ];
   };
 
-  boot.kernelPackages = pkgs.linuxKernel.kernels.linux_5_15;
+  boot.kernelPackages = pkgs.linuxPackages_5_15;
+
   networking.hostName = "raspberry";
   time.timeZone = "Europe/London";
 
diff --git a/outputs.nix b/outputs.nix
index 9d49835..21fd608 100644
--- a/outputs.nix
+++ b/outputs.nix
@@ -62,7 +62,7 @@ in {
     username = "root";
     profiles.system = {
       user = "root";
-      path = deploy-rs.lib.aarch64-linux.activate.nixos
+      path = deploy-rs.lib.x86_64-linux.activate.nixos
         self.nixosConfigurations.raspberry;
     };
   };
diff --git a/profiles/base/deployrs.nix b/profiles/base/deployrs.nix
deleted file mode 100644
index 0e0c870..0000000
--- a/profiles/base/deployrs.nix
+++ /dev/null
@@ -1,6 +0,0 @@
-{ ... }: {
-  nix.binaryCaches = [ "https://cachix.org/api/v1/cache/serokell" ];
-
-  nix.binaryCachePublicKeys =
-    [ "serokell.cachix.org-1:5DscEJD6c1dD1Mc/phTIbs13+iW22AVbx0HqiSb+Lq8=" ];
-}
diff --git a/profiles/cross/arm64.nix b/profiles/cross/arm64.nix
index 62e50c9..feb46ef 100644
--- a/profiles/cross/arm64.nix
+++ b/profiles/cross/arm64.nix
@@ -5,4 +5,5 @@
       interpreter = lib.mkForce "${pkgs.qemu}/bin/qemu-aarch64";
     };
   };
+  nix.sandboxPaths = [ "/run/binfmt" "${pkgs.qemu}" ];
 }
diff --git a/profiles/sshd/sshd.nix b/profiles/sshd/sshd.nix
index e6ec902..7cc94de 100644
--- a/profiles/sshd/sshd.nix
+++ b/profiles/sshd/sshd.nix
@@ -2,7 +2,7 @@
   services.openssh = {
     enable = true;
     passwordAuthentication = false;
-    kbdInteractiveAuthentication = false;
+    challengeResponseAuthentication = false;
     permitRootLogin = "prohibit-password";
     kexAlgorithms = [ "curve25519-sha256@libssh.org" ];
     extraConfig = ''