diff --git a/src/libs/utils/tooltip/tips.cpp b/src/libs/utils/tooltip/tips.cpp
index b0aee273f4d..d38259518da 100644
--- a/src/libs/utils/tooltip/tips.cpp
+++ b/src/libs/utils/tooltip/tips.cpp
@@ -46,24 +46,41 @@
 namespace Utils {
 namespace Internal {
 
-QTipLabel::QTipLabel(QWidget *parent) :
+TipLabel::TipLabel(QWidget *parent) :
     QLabel(parent, Qt::ToolTip | Qt::BypassGraphicsProxyWidget)
-{}
+{
+}
 
-void QTipLabel::setHelpId(const QString &id)
+void TipLabel::setHelpId(const QString &id)
 {
     m_helpId = id;
     update();
 }
 
-QString QTipLabel::helpId() const
+QString TipLabel::helpId() const
 {
     return m_helpId;
 }
 
+const QMetaObject *TipLabel::metaObject() const
+{
+    // CSS Tooltip styling depends on a the name of this class.
+    // So set up a minimalist QMetaObject to fake a class name "QTipLabel":
+    static const uint tip_label_meta_data[15] = { 8 /* moc revision */ };
+    static const QMetaObject tipMetaObject {
+         &QLabel::staticMetaObject,
+         QByteArrayLiteral("QTipLabel").data_ptr(),
+         tip_label_meta_data,
+         nullptr,
+         nullptr,
+         nullptr
+    };
+
+    return &tipMetaObject;
+}
 
 ColorTip::ColorTip(QWidget *parent)
-    : QTipLabel(parent)
+    : TipLabel(parent)
 {
     resize(40, 40);
 }
@@ -101,7 +118,7 @@ bool ColorTip::equals(int typeId, const QVariant &other, const QString &otherHel
 
 void ColorTip::paintEvent(QPaintEvent *event)
 {
-    QTipLabel::paintEvent(event);
+    TipLabel::paintEvent(event);
 
     QPainter painter(this);
     painter.setBrush(m_color);
@@ -115,7 +132,7 @@ void ColorTip::paintEvent(QPaintEvent *event)
     painter.drawRect(borderRect);
 }
 
-TextTip::TextTip(QWidget *parent) : QTipLabel(parent)
+TextTip::TextTip(QWidget *parent) : TipLabel(parent)
 {
     setForegroundRole(QPalette::ToolTipText);
     setBackgroundRole(QPalette::ToolTipBase);
@@ -210,7 +227,7 @@ void TextTip::resizeEvent(QResizeEvent *event)
 }
 
 WidgetTip::WidgetTip(QWidget *parent) :
-    QTipLabel(parent), m_layout(new QVBoxLayout)
+    TipLabel(parent), m_layout(new QVBoxLayout)
 {
     m_layout->setContentsMargins(0, 0, 0, 0);
     setLayout(m_layout);
@@ -267,8 +284,5 @@ bool WidgetTip::equals(int typeId, const QVariant &other, const QString &otherHe
             && other.value<QWidget *>() == m_widget;
 }
 
-// need to include it here to force it to be inside the namespaces
-#include "moc_tips.cpp"
-
 } // namespace Internal
 } // namespace Utils
diff --git a/src/libs/utils/tooltip/tips.h b/src/libs/utils/tooltip/tips.h
index 844848e7965..764e10eb8ae 100644
--- a/src/libs/utils/tooltip/tips.h
+++ b/src/libs/utils/tooltip/tips.h
@@ -33,17 +33,13 @@
 #include <QVariant>
 #include <QVBoxLayout>
 
-#ifndef Q_MOC_RUN
 namespace Utils {
 namespace Internal {
-#endif
 
-// Please do not change the name of this class. Detailed comments in tooltip.h.
-class QTipLabel : public QLabel
+class TipLabel : public QLabel
 {
-    Q_OBJECT
 public:
-    QTipLabel(QWidget *parent);
+    TipLabel(QWidget *parent);
 
     virtual void setContent(const QVariant &content) = 0;
     virtual bool isInteractive() const { return false; }
@@ -54,11 +50,14 @@ public:
     virtual void setHelpId(const QString &id);
     virtual QString helpId() const;
 
+protected:
+    const QMetaObject *metaObject() const override;
+
 private:
     QString m_helpId;
 };
 
-class TextTip : public QTipLabel
+class TextTip : public TipLabel
 {
 public:
     TextTip(QWidget *parent);
@@ -76,7 +75,7 @@ private:
     QString m_text;
 };
 
-class ColorTip : public QTipLabel
+class ColorTip : public TipLabel
 {
 public:
     ColorTip(QWidget *parent);
@@ -93,7 +92,7 @@ private:
     QPixmap m_tilePixmap;
 };
 
-class WidgetTip : public QTipLabel
+class WidgetTip : public TipLabel
 {
     Q_OBJECT
 
@@ -113,7 +112,5 @@ private:
     QVBoxLayout *m_layout;
 };
 
-#ifndef Q_MOC_RUN
 } // namespace Internal
 } // namespace Utils
-#endif
diff --git a/src/libs/utils/tooltip/tooltip.h b/src/libs/utils/tooltip/tooltip.h
index ece289b66b4..d78623b41ff 100644
--- a/src/libs/utils/tooltip/tooltip.h
+++ b/src/libs/utils/tooltip/tooltip.h
@@ -50,7 +50,7 @@ class QWidget;
 QT_END_NAMESPACE
 
 namespace Utils {
-namespace Internal { class QTipLabel; }
+namespace Internal { class TipLabel; }
 
 class QTCREATOR_UTILS_EXPORT ToolTip : public QObject
 {
@@ -110,7 +110,7 @@ private:
     void showTip();
     void hideTipWithDelay();
 
-    QPointer<Internal::QTipLabel> m_tip;
+    QPointer<Internal::TipLabel> m_tip;
     QWidget *m_widget;
     QRect m_rect;
     QTimer m_showTimer;