diff --git a/src/Psalm/Type.php b/src/Psalm/Type.php
index 4ca8f5d63..6d24e045d 100644
--- a/src/Psalm/Type.php
+++ b/src/Psalm/Type.php
@@ -195,7 +195,6 @@ abstract class Type
             case 'false':
             case 'null':
             case 'mixed':
-            case 'resource':
                 return $type_string_lc;
         }