diff --git a/home/home.nix b/home/home.nix
index dbc5007..b16e43a 100644
--- a/home/home.nix
+++ b/home/home.nix
@@ -43,7 +43,13 @@ let
     gpx-viewer
     gpxsee
     cawbird
-    subsurface
+    #(subsurface.overrideAttrs (oldAttrs: {
+    #  patches = (if (oldAttrs ? "patches") then oldAttrs.patches else []) ++ [
+    #    pkgs.fetchpatch {
+    #      url = "https://github.com/subsurface/subsurface/commit/944165ea06e2f5edb70d64ce9a0bae4ab21017ba.patch";
+    #      hash = "1111111111111111111111111111111111111111111111111111";
+    #    }];
+    #  }))
     yate
     # split and merge PDFs in a GUI
     pdfarranger
diff --git a/nixos/configuration.nix b/nixos/configuration.nix
index dbba0e7..363eebc 100644
--- a/nixos/configuration.nix
+++ b/nixos/configuration.nix
@@ -257,23 +257,6 @@ in
   # override tmpdir for daemon
   #systemd.services.nix-daemon.environment.TMPDIR = "/var/tmp";
 
-  # remote builders
-  #nix.buildMachines = [
-  #  {
-  #    hostName = "build01.nix-community.org";
-  #    sshUser = "ssh-ng://schmittlauch";
-  #    sshKey = "/root/.ssh/remote_builder_key";
-  #    system = "x86_64-linux";
-  #    maxJobs = 64;
-  #    supportedFeatures = [
-  #      "big-parallel"
-  #      "kvm"
-  #      "nixos-test"
-  #    ];
-  #  }
-  #];
-  programs.ssh.knownHosts."build01.nix-community.org".publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIElIQ54qAy7Dh63rBudYKdbzJHrrbrrMXLYl7Pkmk88H";
-
   # package debugging
   # programs.sysdig.enable = true;
 
diff --git a/nixos/packages.nix b/nixos/packages.nix
index e2e4336..a04f295 100644
--- a/nixos/packages.nix
+++ b/nixos/packages.nix
@@ -18,7 +18,6 @@
     netcat
     ntfs3g
     file
-    multipath-tools
     strace
     ltrace
     valgrind