diff --git a/dev/phpstan/phpstan.neon b/dev/phpstan/phpstan.neon
index 1565ab6b..65bfe1e5 100644
--- a/dev/phpstan/phpstan.neon
+++ b/dev/phpstan/phpstan.neon
@@ -3,4 +3,4 @@ parameters:
       - %currentWorkingDirectory%/stub.php
     paths:
         - %currentWorkingDirectory%/../../src
-    level: 3
\ No newline at end of file
+    level: 5
\ No newline at end of file
diff --git a/src/Ampersand/PatchHelper/Command/AnalyseCommand.php b/src/Ampersand/PatchHelper/Command/AnalyseCommand.php
index d8de0314..996c16a6 100644
--- a/src/Ampersand/PatchHelper/Command/AnalyseCommand.php
+++ b/src/Ampersand/PatchHelper/Command/AnalyseCommand.php
@@ -96,12 +96,11 @@ protected function execute(InputInterface $input, Output $output)
             throw new \Exception("Please provide an integer as fuzz factor.");
         }
 
-        $vendorNamespaces = [];
-        if (
-            $input->getOption('vendor-namespaces') &&
-            $vendorNamespaces = $input->getOption('vendor-namespaces')
-        ) {
+        $vendorNamespaces = $input->getOption('vendor-namespaces');
+        if (is_string($vendorNamespaces) && strlen($vendorNamespaces)) {
             $vendorNamespaces = explode(',', str_replace(' ', '', $vendorNamespaces));
+        } else {
+            $vendorNamespaces = [];
         }
 
         $errOutput = $output;
@@ -265,7 +264,7 @@ protected function execute(InputInterface $input, Output $output)
 
         $output->writeln("<comment>WARN count: $warnLevelCount</comment>");
         $infoMessage = "INFO count: $infoLevelCount";
-        if (!$input->getOption('show-info') && $infoLevelCount >= 0) {
+        if (!$input->getOption('show-info') && $infoLevelCount > 0) {
             $infoMessage .= " (to view re-run this tool with --show-info)";
         }
         $output->writeln("<comment>$infoMessage</comment>");
diff --git a/src/Ampersand/PatchHelper/Helper/Magento2Instance.php b/src/Ampersand/PatchHelper/Helper/Magento2Instance.php
index 046bb678..fed11e82 100644
--- a/src/Ampersand/PatchHelper/Helper/Magento2Instance.php
+++ b/src/Ampersand/PatchHelper/Helper/Magento2Instance.php
@@ -12,9 +12,6 @@
 
 class Magento2Instance
 {
-    /** @var \Magento\Framework\App\Http $app */
-    private $app;
-
     /** @var \Magento\Framework\ObjectManagerInterface $objectManager */
     private $objectManager;
 
diff --git a/src/Ampersand/PatchHelper/Helper/PatchOverrideValidator.php b/src/Ampersand/PatchHelper/Helper/PatchOverrideValidator.php
index 1b8ad98a..d7064390 100644
--- a/src/Ampersand/PatchHelper/Helper/PatchOverrideValidator.php
+++ b/src/Ampersand/PatchHelper/Helper/PatchOverrideValidator.php
@@ -195,7 +195,6 @@ public function validate($vendorNamespaces = [])
                 break;
             default:
                 throw new \LogicException("An unknown file path was encountered $this->vendorFilepath");
-                break;
         }
 
         return $this;
diff --git a/src/Ampersand/PatchHelper/Patchfile/Entry.php b/src/Ampersand/PatchHelper/Patchfile/Entry.php
index 2e72905c..106a7f65 100644
--- a/src/Ampersand/PatchHelper/Patchfile/Entry.php
+++ b/src/Ampersand/PatchHelper/Patchfile/Entry.php
@@ -21,7 +21,7 @@ class Entry
     private $lines = [];
 
     /**
-     * @var string[]
+     * @var null|string[]
      */
     private $affectedPhpFunctions;