diff --git a/composer.json b/composer.json
index 49186771f..0562522c7 100644
--- a/composer.json
+++ b/composer.json
@@ -21,8 +21,6 @@
         "ext-xml": "*",
         "amphp/amp": "^2.0",
         "amphp/socket": "^0.10.11",
-        "amphp/log": "^1.0",
-        "amphp/parser": "^1.0",
         "amphp/websocket": "dev-master",
         "amphp/websocket-client": "dev-master",
         "amphp/artax": "^3.0",
diff --git a/layerdiff.php b/layerdiff.php
new file mode 100644
index 000000000..8feefba2d
--- /dev/null
+++ b/layerdiff.php
@@ -0,0 +1,111 @@
+<?php
+use danog\MadelineProto\Logger;
+use danog\MadelineProto\TL\TL;
+
+/*
+Copyright 2016-2019 Daniil Gentili
+(https://daniil.it)
+This file is part of MadelineProto.
+MadelineProto is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+MadelineProto is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+See the GNU Affero General Public License for more details.
+You should have received a copy of the GNU General Public License along with MadelineProto.
+If not, see <http://www.gnu.org/licenses/>.
+ */
+
+require 'vendor/autoload.php';
+$param = 1;
+\danog\MadelineProto\Logger::constructor($param);
+$logger = \danog\MadelineProto\Logger::$default;
+
+set_error_handler(['\danog\MadelineProto\Exception', 'ExceptionErrorHandler']);
+
+if ($argc !== 3) {
+    die("Usage: {$argv[0]} layernumberold layernumbernew\n");
+}
+/**
+ * Get TL info of layer
+ *
+ * @param int $layer Layer number
+ * @return void
+ */
+function getTL($layer)
+{
+    $layer = __DIR__."/src/danog/MadelineProto/TL_telegram_v$layer.tl";
+    $layer = new class($layer)
+    {
+        use TL;
+        public function __construct($layer)
+        {
+            $this->logger = Logger::$default;
+            $this->construct_TL(['telegram' => $layer]);
+        }
+    };
+    return ['methods' => $layer->methods, 'constructors' => $layer->constructors];
+}
+function getUrl($constructor, $type)
+{
+    $changed = str_replace('.', '_', $constructor);
+    return "[$constructor](https://docs.madelineproto.xyz/API_docs/$type/$changed.html)";
+}
+$old = getTL($argv[1]);
+$new = getTL($argv[2]);
+$res = '';
+
+foreach (['methods', 'constructors'] as $type) {
+    $finder = $type === 'methods' ? 'find_by_method' : 'find_by_predicate';
+    $key = $type === 'methods' ? 'method' : 'predicate';
+
+    // New constructors
+    $res .= "\n\nNew ".ucfirst($type)."\n";
+    foreach ($new[$type]->by_id as $constructor) {
+        $name = $constructor[$key];
+        if (!$old[$type]->$finder($name)) {
+            $name = getUrl($name, $type);
+            $res .= "Added $name\n";
+        }
+    }
+
+    // Changed constructors
+    $res .= "\n\nChanged ".ucfirst($type)."\n";
+    foreach ($new[$type]->by_id as $constructor) {
+        $name = $constructor[$key];
+        $constructor['id'] = $new[$type]->$finder($name)['id'];
+        if ($old[$type]->$finder($name) && $old[$type]->$finder($name)['id'] !== $constructor['id']) {
+            $new_args = $constructor['params'];
+            $old_args = $old[$type]->$finder($name)['params'];
+            $final_new_args = [];
+            $final_old_args = [];
+            foreach ($new_args as $arg) {
+                $final_new_args[$arg['name']] = $arg['type'];
+            }
+            foreach ($old_args as $arg) {
+                $final_old_args[$arg['name']] = $arg['type'];
+            }
+
+            $url = getUrl($name, $type);
+            foreach ($final_new_args as $name => $ttype) {
+                if (!isset($final_old_args[$name])) {
+                    $res .= "Added $name param to $url\n";
+                }
+            }
+            foreach ($final_old_args as $name => $ttype) {
+                if (!isset($final_new_args[$name])) {
+                    $res .= "Removed $name param from $url\n";
+                }
+            }
+        }
+    }
+
+    // Deleted constructors
+    $res .= "\n\nDeleted ".ucfirst($type)."\n";
+    foreach ($old[$type]->by_id as $constructor) {
+        $name = $constructor[$key];
+        if (!$new[$type]->$finder($name)) {
+            $res .= "Removed $name\n";
+        }
+    }
+
+}
+
+echo($res);