diff --git a/nixosModules/clanCore/postgresql/default.nix b/nixosModules/clanCore/postgresql/default.nix
deleted file mode 100644
index fef7c6507..000000000
--- a/nixosModules/clanCore/postgresql/default.nix
+++ /dev/null
@@ -1,236 +0,0 @@
-{
-  lib,
-  config,
-  pkgs,
-  ...
-}:
-let
-
-  cfg = config.clan.core.postgresql;
-
-  createDatabaseState =
-    db:
-    let
-      folder = "/var/backup/postgres/${db.name}";
-      current = "${folder}/pg-dump";
-      compression = lib.optionalString (lib.versionAtLeast config.services.postgresql.package.version "16") "--compress=zstd";
-    in
-    {
-      folders = [ folder ];
-      preBackupScript = ''
-        export PATH=${
-          lib.makeBinPath [
-            config.services.postgresql.package
-            config.systemd.package
-            pkgs.coreutils
-            pkgs.util-linux
-            pkgs.zstd
-          ]
-        }
-        while [[ "$(systemctl is-active postgresql)" == activating ]]; do
-          sleep 1
-        done
-
-        mkdir -p "${folder}"
-        runuser -u postgres -- pg_dump ${compression} --dbname=${db.name} -Fc -c > "${current}.tmp"
-        mv "${current}.tmp" ${current}
-      '';
-      postRestoreScript = ''
-        export PATH=${
-          lib.makeBinPath [
-            config.services.postgresql.package
-            config.systemd.package
-            pkgs.coreutils
-            pkgs.util-linux
-            pkgs.zstd
-            pkgs.gnugrep
-          ]
-        }
-        while [[ "$(systemctl is-active postgresql)" == activating ]]; do
-          sleep 1
-        done
-        echo "Waiting for postgres to be ready..."
-        while ! runuser -u postgres -- psql --port=${builtins.toString config.services.postgresql.settings.port} -d postgres -c "" ; do
-          if ! systemctl is-active postgresql; then exit 1; fi
-          sleep 0.1
-        done
-
-        if [[ -e "${current}" ]]; then
-          (
-            systemctl stop ${lib.concatStringsSep " " db.restore.stopOnRestore}
-            trap "systemctl start ${lib.concatStringsSep " " db.restore.stopOnRestore}" EXIT
-
-            mkdir -p "${folder}"
-            if runuser -u postgres -- psql -d postgres -c "SELECT 1 FROM pg_database WHERE datname = '${db.name}'" | grep -q 1; then
-              runuser -u postgres -- dropdb "${db.name}"
-            fi
-            runuser -u postgres -- pg_restore -C -d postgres "${current}"
-          )
-        else
-          echo No database backup found, skipping restore
-        fi
-      '';
-    };
-
-  createDatabase = db: ''
-    CREATE DATABASE "${db.name}" ${
-      lib.concatStringsSep " " (
-        lib.mapAttrsToList (name: value: "${name} = '${value}'") db.create.options
-      )
-    }
-  '';
-
-  userClauses = lib.mapAttrsToList (
-    _: user:
-    ''$PSQL -tAc "SELECT 1 FROM pg_roles WHERE rolname='${user.name}'" | grep -q 1 || $PSQL -tAc 'CREATE USER "${user.name}"' ''
-  ) cfg.users;
-  databaseClauses = lib.mapAttrsToList (
-    name: db:
-    lib.optionalString db.create.enable ''$PSQL -d postgres -c "SELECT 1 FROM pg_database WHERE datname = '${name}'" | grep -q 1 || $PSQL -d postgres -c ${lib.escapeShellArg (createDatabase db)} ''
-  ) cfg.databases;
-in
-{
-  options.clan.core.postgresql = {
-
-    enable = lib.mkEnableOption "Whether to enable PostgreSQL Server";
-
-    # we are reimplemeting ensureDatabase and ensureUser options here to allow to create databases with options
-    databases = lib.mkOption {
-      description = "Databases to create";
-      default = { };
-      type = lib.types.attrsOf (
-        lib.types.submodule (
-          { name, ... }:
-          {
-            options = {
-              name = lib.mkOption {
-                type = lib.types.str;
-                default = name;
-                description = "Database name.";
-              };
-              service = lib.mkOption {
-                type = lib.types.str;
-                default = name;
-                description = "Service name that we associate with the database.";
-              };
-              # set to false, in case the upstream module uses ensureDatabase option
-              create.enable = lib.mkOption {
-                type = lib.types.bool;
-                default = true;
-                description = "Create the database if it does not exist.";
-              };
-              create.options = lib.mkOption {
-                description = "Options to pass to the CREATE DATABASE command.";
-                type = lib.types.lazyAttrsOf lib.types.str;
-                default = { };
-                example = {
-                  TEMPLATE = "template0";
-                  LC_COLLATE = "C";
-                  LC_CTYPE = "C";
-                  ENCODING = "UTF8";
-                  OWNER = "foo";
-                };
-              };
-              restore.stopOnRestore = lib.mkOption {
-                type = lib.types.listOf lib.types.str;
-                default = [ ];
-                description = "List of systemd services to stop before restoring the database.";
-              };
-            };
-          }
-        )
-      );
-    };
-    users = lib.mkOption {
-      description = "Users to create";
-      default = { };
-      type = lib.types.attrsOf (
-        lib.types.submodule (
-          { name, ... }:
-          {
-            options.name = lib.mkOption {
-              description = "User name";
-              type = lib.types.str;
-              default = name;
-            };
-          }
-        )
-      );
-    };
-  };
-
-  config = lib.mkIf (config.clan.core.postgresql.enable) {
-
-    clan.core.settings.state-version.enable = true;
-
-    # services.postgresql.package = lib.mkDefault pkgs.postgresql_16;
-
-    services.postgresql.enable = true;
-
-    services.postgresql.settings = {
-      wal_level = "replica";
-      max_wal_senders = 3;
-    };
-
-    # We are duplicating a bit the upstream module but allow to create databases with options
-    systemd.services.postgresql.postStart = ''
-      PSQL="psql --port=${builtins.toString config.services.postgresql.settings.port}"
-
-      while ! $PSQL -d postgres -c "" 2> /dev/null; do
-        if ! kill -0 "$MAINPID"; then exit 1; fi
-        sleep 0.1
-      done
-      ${lib.concatStringsSep "\n" userClauses}
-      ${lib.concatStringsSep "\n" databaseClauses}
-    '';
-
-    clan.core.state = lib.mapAttrs' (
-      _: db: lib.nameValuePair db.service (createDatabaseState db)
-    ) config.clan.core.postgresql.databases;
-
-    environment.systemPackages = builtins.map (
-      db:
-      let
-        folder = "/var/backup/postgres/${db.name}";
-        current = "${folder}/pg-dump";
-      in
-      pkgs.writeShellScriptBin "postgres-db-restore-command-${db.name}" ''
-        export PATH=${
-          lib.makeBinPath [
-            config.services.postgresql.package
-            config.systemd.package
-            pkgs.coreutils
-            pkgs.util-linux
-            pkgs.zstd
-            pkgs.gnugrep
-          ]
-        }
-        while [[ "$(systemctl is-active postgresql)" == activating ]]; do
-          sleep 1
-        done
-        echo "Waiting for postgres to be ready..."
-        while ! runuser -u postgres -- psql --port=${builtins.toString config.services.postgresql.settings.port} -d postgres -c "" ; do
-          if ! systemctl is-active postgresql; then exit 1; fi
-          sleep 0.1
-        done
-
-        if [[ -e "${current}" ]]; then
-          (
-            ${lib.optionalString (db.restore.stopOnRestore != [ ]) ''
-              systemctl stop ${builtins.toString db.restore.stopOnRestore}
-              trap "systemctl start ${builtins.toString db.restore.stopOnRestore}" EXIT
-            ''}
-
-            mkdir -p "${folder}"
-            if runuser -u postgres -- psql -d postgres -c "SELECT 1 FROM pg_database WHERE datname = '${db.name}'" | grep -q 1; then
-              runuser -u postgres -- dropdb "${db.name}"
-            fi
-            runuser -u postgres -- pg_restore -C -d postgres "${current}"
-          )
-        else
-          echo No database backup found, skipping restore
-        fi
-      ''
-    ) (builtins.attrValues config.clan.core.postgresql.databases);
-  };
-}
diff --git a/pkgs/clan-cli/clan_cli/tests/test_flake/flake.nix b/pkgs/clan-cli/clan_cli/tests/test_flake/flake.nix
index fddba1f55..79ff0a047 100644
--- a/pkgs/clan-cli/clan_cli/tests/test_flake/flake.nix
+++ b/pkgs/clan-cli/clan_cli/tests/test_flake/flake.nix
@@ -6,9 +6,7 @@
     inputs':
     let
       # fake clan-core input
-      fake-clan-core = {
-        clanModules.fake-module = ./fake-module.nix;
-      };
+      fake-clan-core = { };
       inputs = inputs' // {
         clan-core = fake-clan-core;
       };
diff --git a/pkgs/clan-cli/flake-module.nix b/pkgs/clan-cli/flake-module.nix
index d2b045875..f935ead90 100644
--- a/pkgs/clan-cli/flake-module.nix
+++ b/pkgs/clan-cli/flake-module.nix
@@ -16,7 +16,6 @@
       clanCoreWithVendoredDeps = self'.packages.clan-core-flake.override {
         clanCore = self.filter {
           include = [
-            "clanModules"
             "flakeModules"
             "lib"
             "nixosModules"