diff --git a/src/Checker/DeadCode/DeadCodeFinder.php b/src/Checker/DeadCode/DeadCodeFinder.php
index 62b0df8..8e4a743 100644
--- a/src/Checker/DeadCode/DeadCodeFinder.php
+++ b/src/Checker/DeadCode/DeadCodeFinder.php
@@ -101,10 +101,8 @@ protected function getAllClassesInUse(string $path): array
             $fileContent = $file->getContents();
 
             preg_match_all('/use (?<useClasses>\S*)(;| )/m', $fileContent, $matches);
-            if (isset($matches['useClasses'])) {
-                foreach ($matches['useClasses'] as $useClass) {
-                    $allClassesInUse[$useClass] = true;
-                }
+            foreach ($matches['useClasses'] as $useClass) {
+                $allClassesInUse[$useClass] = true;
             }
         }