diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index dddb9e6d4f..514898cede 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -180,16 +180,6 @@ parameters:
 			count: 1
 			path: webapp/src/Controller/API/SubmissionController.php
 
-		-
-			message: "#^Method App\\\\Controller\\\\BaseController\\:\\:getDatabaseRelations\\(\\) has parameter \\$files with no value type specified in iterable type array\\.$#"
-			count: 1
-			path: webapp/src/Controller/BaseController.php
-
-		-
-			message: "#^Method App\\\\Controller\\\\BaseController\\:\\:getDatabaseRelations\\(\\) return type has no value type specified in iterable type array\\.$#"
-			count: 1
-			path: webapp/src/Controller/BaseController.php
-
 		-
 			message: "#^Method App\\\\Controller\\\\Jury\\\\ClarificationController\\:\\:getClarificationFormData\\(\\) return type has no value type specified in iterable type array\\.$#"
 			count: 1
diff --git a/webapp/src/Controller/BaseController.php b/webapp/src/Controller/BaseController.php
index 47a264bb92..f206204d91 100644
--- a/webapp/src/Controller/BaseController.php
+++ b/webapp/src/Controller/BaseController.php
@@ -132,6 +132,9 @@ protected function saveEntity(
 
     /**
      * Helper function to get the database structure for an object.
+     *
+     * @param string[] $files
+     * @return array<string, array<array{'target': string, 'targetColumn': string, 'type': string}>>
      */
     protected function getDatabaseRelations(array $files, EntityManagerInterface $entityManager): array
     {