--- a/src/kcm_grub2.cpp

+++ b/src/kcm_grub2.cpp

@@ -515,7 +515,6 @@ void KCMGRUB2::save()

         detailsButton->setIcon(QIcon::fromTheme(QStringLiteral("help-about")));

         QDialogButtonBox *buttonBox = new QDialogButtonBox(dialog);

-        buttonBox->addButton(detailsButton, QDialogButtonBox::HelpRole);

         buttonBox->addButton(QDialogButtonBox::Ok);

         buttonBox->button(QDialogButtonBox::Ok)->setFocus();

--- a/src/installDlg.cpp

+++ b/src/installDlg.cpp

@@ -142,7 +142,6 @@ void InstallDialog::slotAccepted()

         detailsButton->setIcon(QIcon::fromTheme(QStringLiteral("help-about")));

         QDialogButtonBox *buttonBox = new QDialogButtonBox(dialog);

-        buttonBox->addButton(detailsButton, QDialogButtonBox::HelpRole);

         buttonBox->addButton(QDialogButtonBox::Ok);

         buttonBox->button(QDialogButtonBox::Ok)->setFocus();