diff --git a/composer.json b/composer.json
index 0a172f8..f6d4a5f 100644
--- a/composer.json
+++ b/composer.json
@@ -10,9 +10,7 @@
   "autoload": {
     "classmap": [
       "src/Client.php",
-      "src/Collection.php",
-      "src/UsersCollection.php"
-    ]
+      "src/Collection.php"
   },
   "require": {
     "php": "^8.1|^8.2",
diff --git a/src/Client.php b/src/Client.php
index e601786..e8472ec 100644
--- a/src/Client.php
+++ b/src/Client.php
@@ -2,28 +2,16 @@
 
 namespace Pb;
 
-use UsersCollection;
-
 class Client
 {
-    private string $response;
     private string $url;
-    private string $route;
 
     public function __construct(string $url)
     {
-        $this->response = '{}';
         $this->url = $url;
-        $this->users = [];
-
     }
 
-    public function users()
-    {
-        return new UsersCollection($this->url, 'records');
-    }
-
-    public function collection(string $collection)
+    public function collection(string $collection): Collection
     {
         return new Collection($this->url ,$collection);
     }
diff --git a/src/Collection.php b/src/Collection.php
index 124c81a..d9d1894 100644
--- a/src/Collection.php
+++ b/src/Collection.php
@@ -35,9 +35,9 @@ class Collection
     /**
      * @param int $batch
      * @param array $queryParams
-     * @return mixed
+     * @return array
      */
-    public function getFullList(int $batch = 200, array $queryParams = [])
+    public function getFullList(int $batch = 200, array $queryParams = []): array
     {
         $getParams = !empty($queryParams) ? http_build_query($queryParams) : "";
         $response = $this->doRequest($this->url . "/api/collections/" . $this->collection . "/records?" . $getParams, 'GET');
@@ -50,7 +50,7 @@ class Collection
      * @param array $queryParams
      * @return array
      */
-    public function getFirstListItem(string $filter, array $queryParams = [])
+    public function getFirstListItem(string $filter, array $queryParams = []): array
     {
         $queryParams['perPage'] = 1;
         $getParams = !empty($queryParams) ? http_build_query($queryParams) : "";
@@ -63,7 +63,7 @@ class Collection
      * @param array $queryParams
      * @return void
      */
-    public function create(array $bodyParams = [], array $queryParams = [])
+    public function create(array $bodyParams = [], array $queryParams = []): void
     {
         $this->doRequest($this->url . "/api/collections/" . $this->collection . "/records", 'POST', json_encode($bodyParams));
     }
@@ -74,7 +74,7 @@ class Collection
      * @param array $queryParams
      * @return void
      */
-    public function update(string $recordId, array $bodyParams = [], array $queryParams = [])
+    public function update(string $recordId, array $bodyParams = [], array $queryParams = []): void
     {
         // Todo bodyParams equals json, currently workaround
         $this->doRequest($this->url . "/api/collections/" . $this->collection . "/records/" . $recordId, 'PATCH', json_encode($bodyParams));
@@ -85,7 +85,7 @@ class Collection
      * @param array $queryParams
      * @return void
      */
-    public function delete(string $recordId, array $queryParams = [])
+    public function delete(string $recordId, array $queryParams = []): void
     {
         $this->doRequest($this->url . "/api/collections/" . $this->collection . "/records/" . $recordId, 'DELETE');
     }
@@ -96,7 +96,7 @@ class Collection
      * @param string $method
      * @return bool|string
      */
-    public function doRequest(string $url, string $method, $bodyParams = [])
+    public function doRequest(string $url, string $method, $bodyParams = []): string
     {
         $ch = curl_init();
 
@@ -126,7 +126,7 @@ class Collection
      * @param array $queryParams
      * @return mixed
      */
-    public function getOne(string $recordId, array $queryParams = [])
+    public function getOne(string $recordId, array $queryParams = []): array
     {
         $output = $this->doRequest($this->url . "/api/collections/" . $this->collection . "/records/" . $recordId, 'GET');
         return json_decode($output, JSON_FORCE_OBJECT);
@@ -137,7 +137,7 @@ class Collection
      * @param string $password
      * @return void
      */
-    public function authAsAdmin(string $email, string $password)
+    public function authAsAdmin(string $email, string $password): void
     {
         $bodyParams['identity'] = $email;
         $bodyParams['password'] = $password;
diff --git a/src/UsersCollection.php b/src/UsersCollection.php
deleted file mode 100644
index ff40b72..0000000
--- a/src/UsersCollection.php
+++ /dev/null
@@ -1,29 +0,0 @@
-<?php
-
-class UsersCollection
-{
-    private string $url;
-    private string $collection;
-
-    public function __construct(string $url, string $collection)
-    {
-        $this->url = $url;
-        $this->collection = $collection;
-    }
-
-    public function getList($page = 1, $perPage = 30)
-    {
-        $ch = curl_init();
-        curl_setopt($ch, CURLOPT_URL, $this->url . "/api/collections/users/records");
-        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
-        $output = curl_exec($ch);
-        curl_close($ch);
-
-        return json_decode($output, JSON_FORCE_OBJECT);
-    }
-
-    public function authWithPassword()
-    {
-        var_dump('try auth');
-    }
-}