diff --git a/composer.json b/composer.json
index 1d4a623c..e606ce2e 100644
--- a/composer.json
+++ b/composer.json
@@ -21,7 +21,6 @@
     "ergebnis/phpstan-rules": "~0.15.3",
     "ergebnis/test-util": "^1.5.0",
     "infection/infection": "~0.15.3",
-    "jangregor/phpstan-prophecy": "~0.8.1",
     "phpstan/extension-installer": "^1.1.0",
     "phpstan/phpstan": "~0.12.85",
     "phpstan/phpstan-deprecation-rules": "~0.12.6",
diff --git a/composer.lock b/composer.lock
index 091cbab0..16e14955 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "a61a85cd72ab9c9bd48895f5497bfda0",
+    "content-hash": "754feaaf28ed4dd0221819d0738bb83a",
     "packages": [
         {
             "name": "composer/semver",
@@ -3164,71 +3164,6 @@
             ],
             "time": "2020-02-16T19:33:49+00:00"
         },
-        {
-            "name": "jangregor/phpstan-prophecy",
-            "version": "0.8.1",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/Jan0707/phpstan-prophecy.git",
-                "reference": "f01ca476840c370bbf9c224aed25fca60eecca9d"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/Jan0707/phpstan-prophecy/zipball/f01ca476840c370bbf9c224aed25fca60eecca9d",
-                "reference": "f01ca476840c370bbf9c224aed25fca60eecca9d",
-                "shasum": ""
-            },
-            "require": {
-                "php": "^7.1 || ^8.0",
-                "phpstan/phpstan": "^0.12.6"
-            },
-            "conflict": {
-                "phpspec/prophecy": "<1.7.0,>=2.0.0",
-                "phpunit/phpunit": "<6.0.0,>=10.0.0"
-            },
-            "require-dev": {
-                "ergebnis/composer-normalize": "^2.1.1",
-                "ergebnis/license": "^1.0.0",
-                "ergebnis/php-cs-fixer-config": "~2.2.0",
-                "phpspec/prophecy": "^1.7.0",
-                "phpunit/phpunit": "^6.0.0 || ^7.0.0 || ^8.0.0 || ^9.0.0"
-            },
-            "type": "phpstan-extension",
-            "extra": {
-                "phpstan": {
-                    "includes": [
-                        "extension.neon"
-                    ]
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "JanGregor\\Prophecy\\": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Jan Gregor Emge-Triebel",
-                    "email": "jan@jangregor.me"
-                }
-            ],
-            "description": "Provides a phpstan/phpstan extension for phpspec/prophecy",
-            "funding": [
-                {
-                    "url": "https://www.buymeacoffee.com/localheinz",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://github.com/localheinz",
-                    "type": "github"
-                }
-            ],
-            "time": "2020-10-24T15:04:14+00:00"
-        },
         {
             "name": "justinrainbow/json-schema",
             "version": "5.2.10",