diff --git a/src/plugins/help/helpwidget.cpp b/src/plugins/help/helpwidget.cpp
index 8951536cfe3..3c0d14eca07 100644
--- a/src/plugins/help/helpwidget.cpp
+++ b/src/plugins/help/helpwidget.cpp
@@ -52,9 +52,6 @@
 
 #include <QCoreApplication>
 #include <QHBoxLayout>
-#include <QHelpEngine>
-#include <QHelpSearchEngine>
-#include <QHelpSearchQuery>
 #include <QMenu>
 #include <QPrinter>
 #include <QPrintDialog>
diff --git a/src/plugins/help/textbrowserhelpviewer.cpp b/src/plugins/help/textbrowserhelpviewer.cpp
index d002c5cf983..6d77aeadb69 100644
--- a/src/plugins/help/textbrowserhelpviewer.cpp
+++ b/src/plugins/help/textbrowserhelpviewer.cpp
@@ -35,7 +35,6 @@
 #include <QApplication>
 #include <QClipboard>
 #include <QContextMenuEvent>
-#include <QHelpEngine>
 #include <QKeyEvent>
 #include <QMenu>
 #include <QScrollBar>