diff --git a/Classes/Tests/UnitTestCase.php b/Classes/Tests/UnitTestCase.php
index a10a83a..5facae7 100644
--- a/Classes/Tests/UnitTestCase.php
+++ b/Classes/Tests/UnitTestCase.php
@@ -51,22 +51,6 @@ protected function setUp()
         ]);
     }
 
-    protected function configureMockedTranslationService()
-    {
-        $translationService = $this->getMockBuilder(TranslationService::class)->getMock();
-        $translationService->expects($this->any())
-            ->method('translateFinisherOption')
-            ->willReturnCallback(function ($formRuntime, $finisherIdentifier, $optionKey, $optionValue) {
-                return $optionValue;
-            });
-        $objectManager = $this->getMockBuilder(ObjectManager::class)->getMock();
-        $objectManager->expects($this->any())
-            ->method('get')
-            ->with(TranslationService::class)
-            ->willReturn($translationService);
-        GeneralUtility::setSingletonInstance(ObjectManager::class, $objectManager);
-    }
-
     public function tearDown()
     {
         GeneralUtility::resetSingletonInstances($this->singletonInstances);
diff --git a/Makefile b/Makefile
index f0faf2e..077a471 100644
--- a/Makefile
+++ b/Makefile
@@ -16,6 +16,7 @@ install: clean
 lint:
 	find . -name \*.php -not -path "./vendor/*" -not -path "./.Build/*" | parallel --gnu php -d display_errors=stderr -l {} > /dev/null \;
 	.Build/bin/phpcs
+	.Build/bin/phpstan analyze -c phpstan.dist.neon --level=max Classes/ Tests/ *.php
 
 unitTests:
 	TYPO3_PATH_WEB=$(TYPO3_WEB_DIR) \
diff --git a/composer.json b/composer.json
index 8ef86e2..fe0c931 100644
--- a/composer.json
+++ b/composer.json
@@ -18,6 +18,11 @@
             "Codappix\\CdxLogging\\": "Classes"
         }
     },
+    "autoload-dev": {
+        "psr-4": {
+            "Codappix\\CdxLogging\\Tests\\": "Tests"
+        }
+    },
     "require": {
         "php": ">=7.0",
         "typo3/cms": "~8.7"
@@ -26,7 +31,9 @@
         "typo3-ci/typo3cms": "^6.2",
         "phpunit/phpunit": "~6.2.0",
         "typo3/testing-framework": "~1.1.0",
-        "mikey179/vfsStream": "~1.6.4"
+        "mikey179/vfsStream": "~1.6.4",
+        "phpstan/phpstan": "~0.9.2",
+        "saschaegerer/phpstan-typo3": "~0.9.0@dev"
     },
     "config": {
         "vendor-dir": ".Build/vendor",
diff --git a/phpstan.dist.neon b/phpstan.dist.neon
new file mode 100644
index 0000000..3f16337
--- /dev/null
+++ b/phpstan.dist.neon
@@ -0,0 +1,7 @@
+includes:
+    - .Build/vendor/saschaegerer/phpstan-typo3/extension.neon
+
+parameters:
+    ignoreErrors:
+        - '#Undefined variable: \$_EXTKEY#'
+        - '#Codappix\\CdxLogging\\Log\\Writer\\Console::__construct\(\) does not call parent constructor from TYPO3\\CMS\\Core\\Log\\Writer\\AbstractWriter\.#'