diff --git a/src/optionsdialog.cpp b/src/optionsdialog.cpp
index 2d1d00f9..f3126c6e 100644
--- a/src/optionsdialog.cpp
+++ b/src/optionsdialog.cpp
@@ -231,7 +231,7 @@ void OptionsDialog::anal_finished()
 void OptionsDialog::on_cancelButton_clicked()
 {
     delete this->core;
-    this->core = NULL; // implicit by delete?
+    this->core = NULL;
     // Close dialog and open OptionsDialog
     close();
     NewFileDialog* n = new NewFileDialog(nullptr);