diff --git a/src/PropertiesMapper.php b/src/PropertiesMapper.php
index 65debd9..7399923 100644
--- a/src/PropertiesMapper.php
+++ b/src/PropertiesMapper.php
@@ -339,9 +339,8 @@ protected function mapIntoCollection(array $propertyTypes, string $propertyKey,
         $preferredCollectionTypeClass = $preferredCollectionType ? $preferredCollectionType->getClassName() : null;
 
         $collection = $collection->map(fn ($value) => is_string($value) ? trim($value) : $value)
-            ->filter();
-            // ->filter(fn($item) => !is_null($item))
-            // ->values();
+            ->filter(fn($item) => !blank($item))
+            ->values();
 
         if ($preferredCollectionType && $preferredCollectionType->getBuiltinType() === Type::BUILTIN_TYPE_OBJECT) {
             if (is_subclass_of($preferredCollectionTypeClass, Model::class)) {