Index: /Users/seb/Dev/ows/franceculture/trunk/sites/all/modules/fc/imagefield_crop/imagefield_crop_widget.inc
===================================================================
--- /Users/seb/Dev/ows/franceculture/trunk/sites/all/modules/fc/imagefield_crop/imagefield_crop_widget.inc	(revision 2645)
+++ /Users/seb/Dev/ows/franceculture/trunk/sites/all/modules/fc/imagefield_crop/imagefield_crop_widget.inc	(working copy)
@@ -231,6 +231,18 @@
 }
 
 function imagefield_crop_widget_value($element, $edit = FALSE) {
+  
+  // dirty way to check if the filefield Remove button was clicked to prevent
+  // issue http://drupal.org/node/501964 inspired by 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']);