diff --git a/src/plugins/designer/cpp/newclasswidget.cpp b/src/plugins/designer/cpp/newclasswidget.cpp
index addcfdbcb61..dd6fcb49d66 100644
--- a/src/plugins/designer/cpp/newclasswidget.cpp
+++ b/src/plugins/designer/cpp/newclasswidget.cpp
@@ -48,11 +48,6 @@ NewClassWidget::NewClassWidget(QWidget *parent) :
 {
     d->m_ui.setupUi(this);
 
-    d->m_ui.baseClassLabel->setVisible(false);
-    d->m_ui.baseClassComboBox->setVisible(false);
-    d->m_ui.classTypeLabel->setVisible(false);
-    d->m_ui.classTypeComboBox->setVisible(false);
-
     d->m_ui.classLineEdit->setNamespacesEnabled(true);
     setNamesDelimiter(QLatin1String("::"));
 
@@ -60,10 +55,6 @@ NewClassWidget::NewClassWidget(QWidget *parent) :
             this, &NewClassWidget::slotUpdateFileNames);
     connect(d->m_ui.classLineEdit, &QLineEdit::textEdited,
             this, &NewClassWidget::classNameEdited);
-    connect(d->m_ui.baseClassComboBox, &QComboBox::currentIndexChanged,
-            this, &NewClassWidget::suggestClassNameFromBase);
-    connect(d->m_ui.baseClassComboBox, &QComboBox::editTextChanged,
-            this, &NewClassWidget::slotValidChanged);
     connect(d->m_ui.classLineEdit, &Utils::FancyLineEdit::validChanged,
             this, &NewClassWidget::slotValidChanged);
     connect(d->m_ui.headerFileLineEdit, &Utils::FancyLineEdit::validChanged,
@@ -87,8 +78,6 @@ NewClassWidget::NewClassWidget(QWidget *parent) :
             this, &NewClassWidget::slotActivated);
     connect(d->m_ui.pathChooser, &Utils::PathChooser::returnPressed,
              this, &NewClassWidget::slotActivated);
-
-    setClassType(NoClassType);
 }
 
 NewClassWidget::~NewClassWidget()
@@ -103,20 +92,6 @@ void NewClassWidget::classNameEdited()
     d->m_classEdited = true;
 }
 
-void NewClassWidget::suggestClassNameFromBase()
-{
-    if (debugNewClassWidget)
-        qDebug() << Q_FUNC_INFO << d->m_headerExtension << d->m_sourceExtension;
-    if (d->m_classEdited)
-        return;
-    // Suggest a class unless edited ("QMainWindow"->"MainWindow")
-    QString base = baseClassName();
-    if (base.startsWith(QLatin1Char('Q'))) {
-        base.remove(0, 1);
-        setClassName(base);
-    }
-}
-
 void NewClassWidget::setClassName(const QString &suggestedName)
 {
     if (debugNewClassWidget)
@@ -130,11 +105,6 @@ QString NewClassWidget::className() const
     return d->m_ui.classLineEdit->text();
 }
 
-QString NewClassWidget::baseClassName() const
-{
-    return d->m_ui.baseClassComboBox->currentText();
-}
-
 QString NewClassWidget::sourceFileName() const
 {
     return d->m_ui.sourceFileLineEdit->text();
@@ -195,11 +165,6 @@ void NewClassWidget::setLowerCaseFiles(bool v)
     d->m_ui.classLineEdit->setLowerCaseFileName(v);
 }
 
-void NewClassWidget::setClassType(ClassType ct)
-{
-    d->m_ui.classTypeComboBox->setCurrentIndex(ct);
-}
-
 void NewClassWidget::setNamesDelimiter(const QString &delimiter)
 {
     d->m_ui.classLineEdit->setNamespaceDelimiter(delimiter);
diff --git a/src/plugins/designer/cpp/newclasswidget.h b/src/plugins/designer/cpp/newclasswidget.h
index 5de5f46236b..64085e68540 100644
--- a/src/plugins/designer/cpp/newclasswidget.h
+++ b/src/plugins/designer/cpp/newclasswidget.h
@@ -16,19 +16,10 @@ class NewClassWidget : public QWidget
 {
     Q_OBJECT
 public:
-    enum ClassType { NoClassType,
-                     ClassInheritsQObject,
-                     ClassInheritsQWidget,
-                     ClassInheritsQDeclarativeItem,
-                     ClassInheritsQQuickItem,
-                     SharedDataClass
-                   };
-    Q_ENUM(ClassType)
     explicit NewClassWidget(QWidget *parent = nullptr);
     ~NewClassWidget() override;
 
     QString className() const;
-    QString baseClassName() const;
     QString sourceFileName() const;
     QString headerFileName() const;
     QString formFileName() const;
@@ -56,16 +47,8 @@ public slots:
     void setSourceExtension(const QString &e);
     void setHeaderExtension(const QString &e);
     void setLowerCaseFiles(bool v);
-    void setClassType(ClassType ct);
     void setNamesDelimiter(const QString &delimiter);
 
-    /**
-     * Suggest a class name from the base class by stripping the leading 'Q'
-     * character. This will happen automagically if the base class combo
-     * changes until the class line edited is manually edited.
-     */
-    void suggestClassNameFromBase();
-
 private:
     void slotUpdateFileNames(const QString &t);
     void slotValidChanged();
diff --git a/src/plugins/designer/cpp/newclasswidget.ui b/src/plugins/designer/cpp/newclasswidget.ui
index 50a01383029..94a3a61ea4d 100644
--- a/src/plugins/designer/cpp/newclasswidget.ui
+++ b/src/plugins/designer/cpp/newclasswidget.ui
@@ -40,102 +40,6 @@
     <widget class="Utils::ClassNameValidatingLineEdit" name="classLineEdit"/>
    </item>
    <item row="1" column="0">
-    <widget class="QLabel" name="baseClassLabel">
-     <property name="text">
-      <string>&amp;Base class:</string>
-     </property>
-     <property name="buddy">
-      <cstring>baseClassComboBox</cstring>
-     </property>
-    </widget>
-   </item>
-   <item row="1" column="1">
-    <widget class="QComboBox" name="baseClassComboBox">
-     <property name="sizePolicy">
-      <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
-       <horstretch>0</horstretch>
-       <verstretch>0</verstretch>
-      </sizepolicy>
-     </property>
-    </widget>
-   </item>
-   <item row="2" column="0">
-    <widget class="QLabel" name="classTypeLabel">
-     <property name="text">
-      <string>&amp;Type information:</string>
-     </property>
-     <property name="buddy">
-      <cstring>classTypeComboBox</cstring>
-     </property>
-    </widget>
-   </item>
-   <item row="2" column="1">
-    <widget class="QComboBox" name="classTypeComboBox">
-     <item>
-      <property name="text">
-       <string>None</string>
-      </property>
-     </item>
-     <item>
-      <property name="text">
-       <string>Inherits QObject</string>
-      </property>
-     </item>
-     <item>
-      <property name="text">
-       <string>Inherits QWidget</string>
-      </property>
-     </item>
-     <item>
-      <property name="text">
-       <string>Inherits QDeclarativeItem - Qt Quick 1</string>
-      </property>
-     </item>
-     <item>
-      <property name="text">
-       <string>Inherits QQuickItem - Qt Quick 2</string>
-      </property>
-     </item>
-     <item>
-      <property name="text">
-       <string>Based on QSharedData</string>
-      </property>
-     </item>
-    </widget>
-   </item>
-   <item row="3" column="0">
-    <spacer name="verticalSpacer">
-     <property name="orientation">
-      <enum>Qt::Vertical</enum>
-     </property>
-     <property name="sizeType">
-      <enum>QSizePolicy::Fixed</enum>
-     </property>
-     <property name="sizeHint" stdset="0">
-      <size>
-       <width>0</width>
-       <height>0</height>
-      </size>
-     </property>
-    </spacer>
-   </item>
-   <item row="3" column="1">
-    <spacer name="verticalSpacer_2">
-     <property name="orientation">
-      <enum>Qt::Vertical</enum>
-     </property>
-     <property name="sizeType">
-      <enum>QSizePolicy::Fixed</enum>
-     </property>
-     <property name="sizeHint" stdset="0">
-      <size>
-       <width>0</width>
-       <height>0</height>
-      </size>
-     </property>
-    </spacer>
-   </item>
-   <item row="4" column="0">
     <widget class="QLabel" name="headerLabel">
      <property name="text">
       <string>&amp;Header file:</string>
@@ -145,10 +49,10 @@
      </property>
     </widget>
    </item>
-   <item row="4" column="1">
+   <item row="1" column="1">
     <widget class="Utils::FileNameValidatingLineEdit" name="headerFileLineEdit"/>
    </item>
-   <item row="5" column="0">
+   <item row="2" column="0">
     <widget class="QLabel" name="sourceLabel">
      <property name="text">
       <string>&amp;Source file:</string>
@@ -158,10 +62,10 @@
      </property>
     </widget>
    </item>
-   <item row="5" column="1">
+   <item row="2" column="1">
     <widget class="Utils::FileNameValidatingLineEdit" name="sourceFileLineEdit"/>
    </item>
-   <item row="6" column="0">
+   <item row="3" column="0">
     <widget class="QLabel" name="formLabel">
      <property name="text">
       <string>&amp;Form file:</string>
@@ -171,10 +75,10 @@
      </property>
     </widget>
    </item>
-   <item row="6" column="1">
+   <item row="3" column="1">
     <widget class="Utils::FileNameValidatingLineEdit" name="formFileLineEdit"/>
    </item>
-   <item row="7" column="0">
+   <item row="4" column="0">
     <widget class="QLabel" name="pathLabel">
      <property name="text">
       <string>&amp;Path:</string>
@@ -184,7 +88,7 @@
      </property>
     </widget>
    </item>
-   <item row="7" column="1">
+   <item row="4" column="1">
     <widget class="Utils::PathChooser" name="pathChooser" native="true"/>
    </item>
   </layout>