diff --git a/home/cli.nix b/home/cli.nix
index 44777d0..4da6676 100644
--- a/home/cli.nix
+++ b/home/cli.nix
@@ -7,8 +7,6 @@ let
     fullName = "Alexander Kobjolke";
     mail = "me@failco.de";
   };
-
-  myEza = if builtins.hasAttr "eza" pkgs then "eza" else "exa";
 in {
   imports = [
     # shell config
@@ -128,7 +126,7 @@ in {
     };
 
     # better ls with icons and stuff, maybe also try lsd
-    ${myEza} = {
+    eza = {
       enable = true;
       icons = true;
       enableAliases = true;
diff --git a/hosts/thrall/default.nix b/hosts/thrall/default.nix
index abdb103..391c744 100644
--- a/hosts/thrall/default.nix
+++ b/hosts/thrall/default.nix
@@ -9,7 +9,6 @@ let
 in {
   imports = [ # Include the results of the hardware scan.
     ./hardware-configuration.nix
-    ../../modules/upgrade-pg-cluster.nix
   ];
 
   nix.package = pkgs.nixUnstable;
@@ -99,11 +98,6 @@ in {
             publicKey = "NG9y+0RMDTjiG65yC4Z0ymJ0G5fe1mOhl4GyC3xAh1k=";
             allowedIPs = [ "10.0.0.3/32" ];
           }
-          {
-            # homematic
-            publicKey = "slqWgVksOCav0bASxupaFGqfr6vajxDRNIlZYocONQ4=";
-            allowedIPs = [ "10.0.0.4/32" ];
-          }
         ];
       };
     };
@@ -209,11 +203,6 @@ in {
       extraConfig = ''
         add_header X-Frame-Options 'SAMEORIGIN';
       '';
-
-      locations."/photo-groove" = {
-        proxyPass = "http://127.0.0.1:8000/";
-        proxyWebsockets = true;
-      };
     };
 
     "www.jakalx.net" = {
@@ -389,7 +378,6 @@ in {
     virusScanning = true;
   };
 
-  services.postgresql = { package = pkgs.postgresql_15; };
   services.roundcube = {
     enable = true;
     hostName = "mail.failco.de";
diff --git a/modules/upgrade-pg-cluster.nix b/modules/upgrade-pg-cluster.nix
deleted file mode 100644
index 89feedb..0000000
--- a/modules/upgrade-pg-cluster.nix
+++ /dev/null
@@ -1,32 +0,0 @@
-{ config, pkgs, ... }:
-{
-  environment.systemPackages = [
-    (let
-      # XXX specify the postgresql package you'd like to upgrade to.
-      # Do not forget to list the extensions you need.
-      newPostgres = pkgs.postgresql_15.withPackages (pp: [
-        # pp.plv8
-      ]);
-    in pkgs.writeScriptBin "upgrade-pg-cluster" ''
-      set -eux
-      # XXX it's perhaps advisable to stop all services that depend on postgresql
-      systemctl stop postgresql
-
-      export NEWDATA="/var/lib/postgresql/${newPostgres.psqlSchema}"
-
-      export NEWBIN="${newPostgres}/bin"
-
-      export OLDDATA="${config.services.postgresql.dataDir}"
-      export OLDBIN="${config.services.postgresql.package}/bin"
-
-      install -d -m 0700 -o postgres -g postgres "$NEWDATA"
-      cd "$NEWDATA"
-      sudo -u postgres $NEWBIN/initdb -D "$NEWDATA"
-
-      sudo -u postgres $NEWBIN/pg_upgrade \
-        --old-datadir "$OLDDATA" --new-datadir "$NEWDATA" \
-        --old-bindir $OLDBIN --new-bindir $NEWBIN \
-        "$@"
-    '')
-  ];
-}