imagefield_crop_widget.inc
===================================================================
--- imagefield_crop_widget.inc	(revision 2645)
+++ imagefield_crop_widget.inc	(working copy)
@@ -231,6 +231,22 @@
 }
 
 function imagefield_crop_widget_value($element, $edit = FALSE) {
+  
+  // Because the output of this field changes depending on the button clicked,
+  // we need to ask FAPI immediately if the remove button was clicked.
+  // It's not good that we call this private function, but
+  // $form_state['clicked_button'] is only available after this #process
+  // callback is finished.
+  // This is also used in filefield_widget_process().
+  $filefield_remove = array(
+    '#name' => implode('_', $element['#parents']) .'_filefield_remove',
+    '#value' => t('Remove'),
+    '#post' => $element['#post'],
+  );
+  if (_form_button_was_clicked($filefield_remove)) {
+    return;
+  }
+
   if ($edit && isset($edit['data'])) {
     $file = field_file_load($edit['fid']);
     $field = content_fields($element['#field_name'], $element['#type_name']);