diff --git a/nix-system-configs/modules/songsheet/wavelog/notes.md b/nix-system-configs/modules/songsheet/wavelog/notes.md
deleted file mode 100644
index 686e298..0000000
--- a/nix-system-configs/modules/songsheet/wavelog/notes.md
+++ /dev/null
@@ -1,7 +0,0 @@
-How to change passwords in case of a major heck up
-```zsh
-sudo podman exec -it -u www-data partdb sh
-# inside container:
-cd /var/www/html
-php bin/console partdb:users:set-password USERNAME
-```
\ No newline at end of file
diff --git a/nix-system-configs/modules/system/teamspeak.nix b/nix-system-configs/modules/system/teamspeak.nix
deleted file mode 100644
index 5b5ab6a..0000000
--- a/nix-system-configs/modules/system/teamspeak.nix
+++ /dev/null
@@ -1,94 +0,0 @@
-{
-  config,
-  pkgs,
-  lib,
-  ...
-}: {
-  options.local = {
-    hostname = lib.mkOption {
-      type = lib.types.str;
-      default = "nixos-default";
-      description = "System hostname";
-    };
-    username = lib.mkOption {
-      type = lib.types.str;
-      default = "user";
-      description = "Primary user username";
-    };
-    userDescription = lib.mkOption {
-      type = lib.types.str;
-      default = "NixOS User";
-      description = "Primary user description";
-    };
-    address = lib.mkOption {
-      type = lib.types.str;
-      default = "10.1.1.100";
-      description = "Static IP address";
-    };
-  };
-
-  imports = [
-    ./modules/desktop-manager/sway_greetd_homemanager.nix
-    ./modules/local/hostname_username.nix
-    ./modules/local/networking_local.nix
-    ./modules/bootloader/seabios-assigned-iso-at-birth.nix
-    ./modules/lix-default.nix
-    # Optionally: ./modules/toolsets/remote_building.nix
-    #
-    #
-    ## Compose modules for Portainer service
-    ./modules/songsheet/wavelog/docker-compose.nix
-    ./modules/secrets-config/sops-composesongsheet.nix
-  ];
-
-  config = {
-    local.hostname = "christine-teamspeak";
-    local.username = "teamspeak_christine";
-    local.userDescription = "NixOS Teamspeak Service";
-    local.address = "10.1.1.248";
-
-    services.teamspeak3 = {
-      enable = true;
-      openFirewall = true;
-    };
-
-    ## Add Conduit for Matrix
-
-    # See https://search.nixos.org/options?channel=unstable&query=services.matrix-conduit.
-    # and https://docs.conduit.rs/configuration.html
-    services.matrix-conduit = {
-      enable = true;
-      settings.global = {
-        allow_registration = true;
-        # You will need this token when creating your first account.
-        #registration_token = "testtoken1234";
-        # server_name = yourDomainName;
-        port = 12244;
-        # Bind to all interfaces so Traefik on the network can reach Conduit.
-        address = "0.0.0.0";
-        database_backend = "rocksdb";
-        server_name = "lgbtq.prg-radio.org";
-
-        # See https://docs.conduit.rs/turn.html, and https://github.com/element-hq/synapse/blob/develop/docs/turn-howto.md for more details
-        # turn_uris = [
-        #  "turn:your.turn.url?transport=udp"
-        #  "turn:your.turn.url?transport=tcp"
-        # ];
-        # turn_secret = "your secret";
-      };
-    };
-
-    networking.firewall.allowedTCPPorts = [
-      80
-      443
-      12244
-    ];
-    networking.firewall.allowedUDPPorts = [
-      80
-      443
-      12244
-    ];
-
-    system.stateVersion = "25.11";
-  };
-}
diff --git a/nix-system-configs/modules/system/traefik.nix b/nix-system-configs/modules/system/traefik.nix
index ffe915e..36abf3f 100644
--- a/nix-system-configs/modules/system/traefik.nix
+++ b/nix-system-configs/modules/system/traefik.nix
@@ -67,20 +67,6 @@
               ];
             };
           };
-          # Federation entrypoint: external TLS on 8448
-          federation = {
-            address = ":8448";
-          };
-          # TeamSpeak entry points
-          teamspeak-voice = {
-            address = ":9987/udp";
-          };
-          teamspeak-squery = {
-            address = ":10022/tcp";
-          };
-          teamspeak-data = {
-            address = ":30033/tcp";
-          };
         };
         log = {
           level = "INFO";
@@ -104,13 +90,7 @@
             entryPoints = ["websecure"];
             tls = {};
           };
-          # Matrix HTTP router for client requests (Element etc.)
-          matrix = {
-            rule = "Host(`lgbtq.prg-radio.org`)";
-            service = "matrix";
-            entryPoints = ["websecure"];
-            tls = {};
-          };
+
           wavelog = {
             rule = "Host(`wavelog.prg-radio.org`)";
             service = "wavelog";
@@ -131,11 +111,7 @@
               {url = "http://10.1.1.4:3000";}
             ];
           };
-          matrix.loadBalancer = {
-            servers = [
-              {url = "http://10.1.1.248:12244";}
-            ];
-          };
+
           wavelog.loadBalancer = {
             servers = [
               {url = "http://10.1.1.249:8086";}
@@ -148,60 +124,6 @@
             ];
           };
         };
-
-        # TCP routing for TeamSpeak
-        tcp.routers = {
-          teamspeak-squery = {
-            rule = "HostSNI(`*`)";
-            service = "teamspeak-squery";
-            entryPoints = ["teamspeak-squery"];
-          };
-          teamspeak-data = {
-            rule = "HostSNI(`*`)";
-            service = "teamspeak-data";
-            entryPoints = ["teamspeak-data"];
-          };
-          # Federation TCP router: incoming on :8448 -> Conduit backend
-          matrix-federation = {
-            rule = "HostSNI(`*`)";
-            service = "matrix-federation";
-            entryPoints = ["federation"];
-          };
-        };
-
-        tcp.services = {
-          teamspeak-squery.loadBalancer = {
-            servers = [
-              {address = "10.1.1.248:10022";}
-            ];
-          };
-          teamspeak-data.loadBalancer = {
-            servers = [
-              {address = "10.1.1.248:30033";}
-            ];
-          };
-          matrix-federation.loadBalancer = {
-            servers = [
-              {address = "10.1.1.248:12244";}
-            ];
-          };
-        };
-
-        # UDP routing for TeamSpeak voice
-        udp.routers = {
-          teamspeak-voice = {
-            entryPoints = ["teamspeak-voice"];
-            service = "teamspeak-voice";
-          };
-        };
-
-        udp.services = {
-          teamspeak-voice.loadBalancer = {
-            servers = [
-              {address = "10.1.1.248:9987";}
-            ];
-          };
-        };
       };
     };
 
@@ -225,8 +147,8 @@
       wants = ["acme-finished-prg-radio.org.target"];
     };
 
-    networking.firewall.allowedTCPPorts = [80 443 10022 30033 8448];
-    networking.firewall.allowedUDPPorts = [80 443 9987];
+    networking.firewall.allowedTCPPorts = [80 443];
+    networking.firewall.allowedUDPPorts = [80 443];
 
     system.stateVersion = "25.11";
   };
diff --git a/nix-system-configs/modules/system_scripts/backup_strategem/manual_database_restore.zsh b/nix-system-configs/modules/system_scripts/backup_strategem/manual_database_restore.zsh
deleted file mode 100644
index eb82bdf..0000000
--- a/nix-system-configs/modules/system_scripts/backup_strategem/manual_database_restore.zsh
+++ /dev/null
@@ -1,147 +0,0 @@
-#!/usr/bin/env zsh
-
-set -euo pipefail
-
-PATH_TO_BACKUPGPG_KEY=${PATH_TO_BACKUPGPG_KEY:-}
-PATH_TO_BACKUP_FILE=${PATH_TO_BACKUP_FILE:-}
-PATH_TO_OUTPUT_DIR=${PATH_TO_OUTPUT_DIR:-}
-
-KEEP=false
-
-# TIL You can do these kind of scripts.
-usage() {
-  cat <<EOF
-Usage: $0 [-f <backup-file>] [-k <private-key-file>] [-o <output-dir>] [--keep]
-
-Decrypt and unpack a .gz.gpg backup file for inspection. The script will
-create a temporary GNUPGHOME (if a key is provided), decrypt the file, and
-if needed gunzip it to produce a .sql file. The resulting SQL file path will
-be printed and a short preview will be shown.
-
-Options:
-  -f <file>    Path to the .sql.gz.gpg backup file (or set PATH_TO_BACKUP_FILE)
-  -k <key>     Path to a private key file to import (optional; or set PATH_TO_BACKUPGPG_KEY)
-  -o <dir>     Output directory for the final .sql file (defaults to current working directory)
-  --keep       Keep temporary files (do not delete temp GNUPGHOME/dir)
-  -h, --help   Show this message
-EOF
-  exit 1
-}
-
-# Simple arg parsing to allow flags
-while [[ $# -gt 0 ]]; do
-  case "$1" in
-    -f)
-      PATH_TO_BACKUP_FILE="$2"; shift 2;;
-    -k)
-      PATH_TO_BACKUPGPG_KEY="$2"; shift 2;;
-    -o)
-      PATH_TO_OUTPUT_DIR="$2"; shift 2;;
-    --keep)
-      KEEP=true; shift;;
-    -h|--help)
-      usage;;
-    *)
-      echo "Unknown argument: $1" >&2; usage;;
-  esac
-done
-
-if [[ -z "$PATH_TO_BACKUP_FILE" ]]; then
-  echo "Error: no backup file provided." >&2
-  usage
-fi
-
-if [[ ! -f "$PATH_TO_BACKUP_FILE" ]]; then
-  echo "Error: backup file does not exist: $PATH_TO_BACKUP_FILE" >&2
-  exit 2
-fi
-
-command -v gpg >/dev/null 2>&1 || { echo "gpg not found in PATH" >&2; exit 3; }
-command -v gunzip >/dev/null 2>&1 || { echo "gunzip not found in PATH" >&2; exit 3; }
-command -v file >/dev/null 2>&1 || { echo "file command not found in PATH" >&2; exit 3; }
-
-TMPDIR=$(mktemp -d)
-trap '[[ "$KEEP" = false ]] && rm -rf "$TMPDIR"' EXIT
-
-# If a key is provided, use an isolated GNUPGHOME so we don't touch the user's keyring.
-if [[ -n "$PATH_TO_BACKUPGPG_KEY" ]]; then
-  if [[ ! -f "$PATH_TO_BACKUPGPG_KEY" ]]; then
-    echo "Private key file not found: $PATH_TO_BACKUPGPG_KEY" >&2
-    exit 4
-  fi
-  export GNUPGHOME="$TMPDIR/gnupg"
-  # Create GNUPGHOME and explicitly set secure permissions
-  mkdir -p "$GNUPGHOME"
-  chmod 0700 "$GNUPGHOME"
-  echo "Importing provided private key into temporary GNUPGHOME..."
-  gpg --batch --import "$PATH_TO_BACKUPGPG_KEY" >/dev/null 2>&1
-fi
-
-# Determine output directory: prefer PATH_TO_OUTPUT_DIR, otherwise current directory
-if [[ -n "$PATH_TO_OUTPUT_DIR" ]]; then
-  OUTDIR="$PATH_TO_OUTPUT_DIR"
-else
-  OUTDIR="$(pwd)"
-fi
-
-mkdir -p "$OUTDIR"
-
-# Keep decrypted intermediate in TMPDIR, final .sql in OUTDIR (PWD by default)
-DECRYPTED="$TMPDIR/backup.decrypted"
-
-# Derive a reasonable final filename from the backup file name
-orig_base=$(basename -- "$PATH_TO_BACKUP_FILE")
-name_no_gpg=${orig_base%.gpg}
-name_no_gz=${name_no_gpg%.gz}
-if [[ "$name_no_gz" == *.sql ]]; then
-  final_name="$name_no_gz"
-else
-  final_name="${name_no_gz}.sql"
-fi
-FINAL_SQL="$OUTDIR/$final_name"
-# If file exists, append timestamp to avoid accidental overwrite
-if [[ -e "$FINAL_SQL" ]]; then
-  ts=$(date +%Y%m%d%H%M%S)
-  FINAL_SQL="$OUTDIR/${name_no_gz}.${ts}.sql"
-  echo "Notice: output file already existed; writing to $FINAL_SQL"
-fi
-
-echo "Decrypting: $PATH_TO_BACKUP_FILE"
-# Decrypt to a temporary file. gpg will prompt for passphrase if needed (user must be present)
-if ! gpg --batch --yes --decrypt --output "$DECRYPTED" "$PATH_TO_BACKUP_FILE"; then
-  echo "gpg decryption failed" >&2
-  exit 5
-fi
-
-# Detect if the decrypted file is gzip compressed
-if file --brief --mime-type "$DECRYPTED" | grep -q gzip; then
-  echo "Detected gzip compressed payload; decompressing to: $FINAL_SQL"
-  if ! gunzip -c "$DECRYPTED" > "$FINAL_SQL"; then
-    echo "gunzip failed" >&2
-    exit 6
-  fi
-else
-  # Not gzip: assume plain SQL or other plain text
-  echo "Writing decrypted payload to: $FINAL_SQL"
-  cp "$DECRYPTED" "$FINAL_SQL"
-fi
-
-echo "Unpacked SQL available at: $FINAL_SQL"
-
-# Show a short preview
-echo
-echo "--- File preview (first 80 lines) ---"
-head -n 80 "$FINAL_SQL" || true
-echo "--- end preview ---"
-
-echo
-if [[ "$KEEP" = true ]]; then
-  echo "Temporary files (including GNUPGHOME) retained under: $TMPDIR"
-  echo "Final SQL file retained at: $FINAL_SQL"
-else
-  echo "Temporary files (excluding final SQL) were stored under: $TMPDIR (removed on exit)"
-  echo "Final SQL file is at: $FINAL_SQL"
-fi
-
-# Print final path so callers can copy it if they used --keep or scripting
-echo "$FINAL_SQL"