diff --git a/src/libs/qmldebug/qdebugmessageclient.cpp b/src/libs/qmldebug/qdebugmessageclient.cpp
index 0e99922afdd..f877fa72dd9 100644
--- a/src/libs/qmldebug/qdebugmessageclient.cpp
+++ b/src/libs/qmldebug/qdebugmessageclient.cpp
@@ -32,6 +32,8 @@
 
 #include "qdebugmessageclient.h"
 
+#include <QDataStream>
+
 namespace QmlDebug {
 
 QDebugMessageClient::QDebugMessageClient(QmlDebugConnection *client)
diff --git a/src/plugins/debugger/debuggeractions.h b/src/plugins/debugger/debuggeractions.h
index eda41a96b43..841469352cd 100644
--- a/src/plugins/debugger/debuggeractions.h
+++ b/src/plugins/debugger/debuggeractions.h
@@ -33,6 +33,7 @@
 #ifndef DEBUGGER_ACTIONS_H
 #define DEBUGGER_ACTIONS_H
 
+#include <QObject>
 #include <QHash>
 #include <QMap>
 
diff --git a/src/plugins/debugger/gdb/symbian.h b/src/plugins/debugger/gdb/symbian.h
index 0964368e056..c6614c75929 100644
--- a/src/plugins/debugger/gdb/symbian.h
+++ b/src/plugins/debugger/gdb/symbian.h
@@ -35,6 +35,7 @@
 
 #include <QMap>
 #include <QByteArray>
+#include <QString>
 #include <QMetaType>
 #include <QVector>
 #include <QPair>