diff --git a/handlers/views_handler_filter_in_operator.inc b/handlers/views_handler_filter_in_operator.inc
index 1d08e6a..f053d6b 100644
--- a/handlers/views_handler_filter_in_operator.inc
+++ b/handlers/views_handler_filter_in_operator.inc
@@ -200,15 +200,6 @@ class views_handler_filter_in_operator extends views_handler_filter {
       }
 
       $process = array();
-      if ($this->value_form_type == 'checkboxes') {
-        // If this form element will use checkboxes in the UI, we need to
-        // check_plain() all the options ourselves since FAPI is inconsistent
-        // about this. However, instead of directly doing that to the #options
-        // right now, we define a #process callback since we might change our
-        // mind later and convert this into a 'select' form element, which
-        // would lead to double-escaping the options.
-        $process[] = 'views_process_check_options';
-      }
       if ($which == 'all') {
         if (empty($form_state['exposed']) && (in_array($this->value_form_type, array('checkbox', 'checkboxes', 'radios', 'select')))) {
           $process[] = "form_process_$this->value_form_type";
@@ -217,9 +208,6 @@ class views_handler_filter_in_operator extends views_handler_filter {
         }
         $form['value']['#dependency'] = array($source => $this->operator_values(1));
       }
-      if (!empty($process)) {
-        $form['value']['#process'] = $process;
-      }
     }
   }