diff --git a/src/plugins/classview/classviewsymbolinformation.h b/src/plugins/classview/classviewsymbolinformation.h
index 8e344165515..270c4e87fc6 100644
--- a/src/plugins/classview/classviewsymbolinformation.h
+++ b/src/plugins/classview/classviewsymbolinformation.h
@@ -36,6 +36,8 @@
 #include <QtCore/QMetaType>
 #include <QtCore/QString>
 
+#include <limits.h>
+
 namespace ClassView {
 namespace Internal {
 
diff --git a/src/plugins/coreplugin/dialogs/externaltoolconfig.cpp b/src/plugins/coreplugin/dialogs/externaltoolconfig.cpp
index d34c171bd7f..a0f9e2fd065 100644
--- a/src/plugins/coreplugin/dialogs/externaltoolconfig.cpp
+++ b/src/plugins/coreplugin/dialogs/externaltoolconfig.cpp
@@ -40,6 +40,7 @@
 
 #include <QtCore/QTextStream>
 #include <QtCore/QFile>
+#include <QtCore/QMimeData>
 #include <QtGui/QMessageBox>
 #include <QtGui/QMenu>