diff --git a/composer.json b/composer.json
index 883d6a8..bf11e5f 100644
--- a/composer.json
+++ b/composer.json
@@ -32,7 +32,6 @@
         "phpunit/phpunit": "^9.5",
         "squizlabs/php_codesniffer": "3.*",
         "phpmd/phpmd": "^2.11",
-        "oxid-esales/oxideshop-ce": "^7.0",
         "qossmic/deptrac-shim": "^0.24.0",
         "codeception/module-rest": "*",
         "codeception/module-phpbrowser": "*",
diff --git a/tests/PhpStan/phpstan.neon b/tests/PhpStan/phpstan.neon
index e18820d..2166580 100644
--- a/tests/PhpStan/phpstan.neon
+++ b/tests/PhpStan/phpstan.neon
@@ -1,8 +1,9 @@
 parameters:
     checkMissingIterableValueType: false
     bootstrapFiles:
+        - ../../../../autoload.php
         - phpstan-bootstrap.php
     level: 8
     scanFiles:
-        - ../../vendor/oxid-esales/oxideshop-ce/source/oxfunctions.php
-        - ../../vendor/oxid-esales/oxideshop-ce/source/overridablefunctions.php
+        - ../../../oxideshop-ce/source/oxfunctions.php
+        - ../../../oxideshop-ce/source/overridablefunctions.php