diff --git a/src/FixtureFactory.php b/src/FixtureFactory.php
index c0c57aa8..a763739b 100644
--- a/src/FixtureFactory.php
+++ b/src/FixtureFactory.php
@@ -122,10 +122,6 @@ public function defineEntity(string $className, array $fieldDefinitions = [], ?\
                 $fieldName
             );
 
-            if (null === $defaultFieldValue) {
-                $fieldDefinitions[$fieldName] = FieldDefinition::value(null);
-            }
-
             $fieldDefinitions[$fieldName] = FieldDefinition::value($defaultFieldValue);
         }