diff --git a/composer.lock b/composer.lock
deleted file mode 100644
index dc07a00..0000000
--- a/composer.lock
+++ /dev/null
@@ -1,67 +0,0 @@
-{
-    "_readme": [
-        "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
-        "This file is @generated automatically"
-    ],
-    "content-hash": "389123c5f58bf18647b9931d00d67cbc",
-    "packages": [
-        {
-            "name": "spatie/array-to-xml",
-            "version": "2.8.1",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/spatie/array-to-xml.git",
-                "reference": "2bf193b3f795d5a42e147c4fa155c288878312e7"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/spatie/array-to-xml/zipball/2bf193b3f795d5a42e147c4fa155c288878312e7",
-                "reference": "2bf193b3f795d5a42e147c4fa155c288878312e7",
-                "shasum": ""
-            },
-            "require": {
-                "php": "^7.1"
-            },
-            "require-dev": {
-                "mockery/mockery": "^1.0",
-                "phpunit/phpunit": "^7.0",
-                "spatie/phpunit-snapshot-assertions": "^2.0"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "Spatie\\ArrayToXml\\": "src"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Freek Van der Herten",
-                    "role": "Developer",
-                    "email": "freek@spatie.be",
-                    "homepage": "https://murze.be"
-                }
-            ],
-            "description": "Convert an array to xml",
-            "homepage": "https://github.com/spatie/array-to-xml",
-            "keywords": [
-                "array",
-                "convert",
-                "xml"
-            ],
-            "time": "2019-03-15T18:43:25+00:00"
-        }
-    ],
-    "packages-dev": [],
-    "aliases": [],
-    "minimum-stability": "stable",
-    "stability-flags": [],
-    "prefer-stable": true,
-    "prefer-lowest": false,
-    "platform": [],
-    "platform-dev": []
-}