diff --git a/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php b/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php
index 8c82ac155..d828335ca 100644
--- a/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php
+++ b/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php
@@ -1783,7 +1783,7 @@ class ClassMetadataInfo implements ClassMetadata
             }
         }
 
-        $mapping['orphanRemoval'] = isset($mapping['orphanRemoval']) ? (bool) $mapping['orphanRemoval'] : false;
+        $mapping['orphanRemoval'] = isset($mapping['orphanRemoval']) && $mapping['orphanRemoval'];
 
         $this->assertMappingOrderBy($mapping);