diff --git a/src/core/UBPreferencesController.cpp b/src/core/UBPreferencesController.cpp
index 2bf93f5b..6297f407 100644
--- a/src/core/UBPreferencesController.cpp
+++ b/src/core/UBPreferencesController.cpp
@@ -38,8 +38,8 @@ UBPreferencesController::UBPreferencesController(QWidget *parent)
     mPreferencesWindow = new QDialog(parent, Qt::Dialog);
     mPreferencesUI = new Ui::preferencesDialog();  // deleted in UBPreferencesController::destructor
     mPreferencesUI->setupUi(mPreferencesWindow);
-    connect(mPreferencesUI->Username_textBox, SIGNAL(editingFinished()), this, SLOT(onCommunityUsernameChanged()));
-    connect(mPreferencesUI->Password_textEdit, SIGNAL(editingFinished()), this, SLOT(onCommunityPasswordChanged()));
+    // ??? connect(mPreferencesUI->Username_textBox, SIGNAL(editingFinished()), this, SLOT(onCommunityUsernameChanged()));
+    // ??? connect(mPreferencesUI->Password_textEdit, SIGNAL(editingFinished()), this, SLOT(onCommunityPasswordChanged()));
 
     wire();
 }
@@ -162,8 +162,8 @@ void UBPreferencesController::init()
     mPreferencesUI->verticalChoice->setChecked(settings->appToolBarOrientationVertical->get().toBool());
     mPreferencesUI->horizontalChoice->setChecked(!settings->appToolBarOrientationVertical->get().toBool());
 
-    mPreferencesUI->Username_textBox->setText(settings->communityUsername());
-    mPreferencesUI->Password_textEdit->setText(settings->communityPassword());
+    // ??? mPreferencesUI->Username_textBox->setText(settings->communityUsername());
+    // ??? mPreferencesUI->Password_textEdit->setText(settings->communityPassword());
 
     // pen tab
     mPenProperties->fineSlider->setValue(settings->boardPenFineWidth->get().toDouble() * sSliderRatio);
@@ -184,13 +184,13 @@ void UBPreferencesController::init()
 void UBPreferencesController::onCommunityUsernameChanged()
 {
     UBSettings* settings = UBSettings::settings();
-    settings->setCommunityUsername(mPreferencesUI->Username_textBox->text());
+    // ??? settings->setCommunityUsername(mPreferencesUI->Username_textBox->text());
 }
 
 void UBPreferencesController::onCommunityPasswordChanged()
 {
     UBSettings* settings = UBSettings::settings();
-    settings->setCommunityPassword(mPreferencesUI->Password_textEdit->text());
+    // ??? settings->setCommunityPassword(mPreferencesUI->Password_textEdit->text());
 }
 
 void UBPreferencesController::close()