diff --git a/scheduler.module b/scheduler.module
index 30c8034..3e174c3 100644
--- a/scheduler.module
+++ b/scheduler.module
@@ -1061,6 +1061,11 @@ function scheduler_node_view($node, $view_mode = 'full', $langcode) {
  * Implements hook_node_validate().
  */
 function scheduler_node_validate($node, $form) {
+  if ($form['clicked_button']['#value'] == t('Delete')) {
+    // No validation when deleting nodes.
+    return;
+  }
+
   // Adjust the entered times for timezone consideration. Note, we must check
   // to see if the value is numeric. If it is, assume we have already done the
   // strtotime conversion. This prevents us running strtotime on a value we have