diff --git a/src/libs/utils/theme/theme.cpp b/src/libs/utils/theme/theme.cpp
index 1097b3d7ff2..bd8ee7e4d1f 100644
--- a/src/libs/utils/theme/theme.cpp
+++ b/src/libs/utils/theme/theme.cpp
@@ -36,6 +36,7 @@
 #include <QApplication>
 #include <QFileInfo>
 #include <QMetaEnum>
+#include <QPalette>
 #include <QSettings>
 
 namespace Utils {
diff --git a/src/libs/utils/theme/theme.h b/src/libs/utils/theme/theme.h
index aaf27e73bb2..4f63f28c963 100644
--- a/src/libs/utils/theme/theme.h
+++ b/src/libs/utils/theme/theme.h
@@ -33,11 +33,11 @@
 
 #include "../utils_global.h"
 
-#include <QFlags>
-#include <QPalette>
-#include <QStyle>
+#include <QBrush> // QGradientStops
+#include <QObject>
 
 QT_FORWARD_DECLARE_CLASS(QSettings)
+QT_FORWARD_DECLARE_CLASS(QPalette)
 
 namespace Utils {
 
diff --git a/src/libs/utils/tooltip/tooltip.h b/src/libs/utils/tooltip/tooltip.h
index b95d3a32060..aae78da3b55 100644
--- a/src/libs/utils/tooltip/tooltip.h
+++ b/src/libs/utils/tooltip/tooltip.h
@@ -37,7 +37,6 @@
 #include <QObject>
 #include <QTimer>
 #include <QRect>
-#include <QFont>
 
 /*
  * In its current form QToolTip is not extensible. So this is an attempt to provide a more