diff --git a/composer.json b/composer.json
index 555b558b3df669727e2a60ae884f1fc053bb8698..1145b8ce7c46819118ab624cac422d1677704ace 100644
--- a/composer.json
+++ b/composer.json
@@ -12,6 +12,7 @@
     "require": {
         "php": ">=7.1",
         "jangregor/phpstan-prophecy": "^0.7",
+        "phpstan/extension-installer": "^1.0",
         "phpstan/phpstan": "~0.12.0",
         "phpstan/phpstan-beberlei-assert": "~0.12.0",
         "phpstan/phpstan-doctrine": "~0.12.6",
diff --git a/loose.neon b/loose.neon
index df3811f5f2309f0cdff7e7038692f07734934b5b..6649bcfe0d0b37ac20c7906417498b93685ac6df 100644
--- a/loose.neon
+++ b/loose.neon
@@ -1,8 +1,5 @@
-includes:
-    - %rootDir%/../phpstan-beberlei-assert/extension.neon
-
 parameters:
     level: 1
 
     excludes_analyse:
-        - %rootDir%/../../vendor
+        - %rootDir%/../../*
diff --git a/phpunit.neon b/phpunit.neon
index cc15a9f41aab132ddc2b29503082bb2d269102c8..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 100644
--- a/phpunit.neon
+++ b/phpunit.neon
@@ -1,4 +0,0 @@
-includes:
-    - %rootDir%/../phpstan-phpunit/extension.neon
-    - %rootDir%/../phpstan-phpunit/rules.neon
-    - %rootDir%/../../jangregor/phpstan-prophecy/extension.neon
diff --git a/symfony.neon b/symfony.neon
index 36b817501f9385b0fb5e18b3009ae22262cff878..506ff3772660db7a2511d1bedeb8a25bc63e7225 100644
--- a/symfony.neon
+++ b/symfony.neon
@@ -1,8 +1,3 @@
-includes:
-    - %rootDir%/../phpstan-doctrine/extension.neon
-    - %rootDir%/../phpstan-doctrine/rules.neon
-    - %rootDir%/../phpstan-symfony/extension.neon
-
 parameters:
     excludes_analyse:
         - %rootDir%/../../var