Index: branches/5.2.x/core/units/helpers/country_states_helper.php
===================================================================
--- branches/5.2.x/core/units/helpers/country_states_helper.php
+++ branches/5.2.x/core/units/helpers/country_states_helper.php
@@ -96,7 +96,6 @@
 
 			$field_options = $object->GetFieldOptions($state_field);
 			$field_options['options'] = $this->getStates($country_iso);
-			$field_options['options'][''] = '';
 			$object->SetFieldOptions($state_field, $field_options, $object->isVirtualField($state_field));
 		}