diff --git a/src/libs/utils/logging.h b/src/libs/utils/logging.h
index ad041ec0b83..f5f8a61b62f 100644
--- a/src/libs/utils/logging.h
+++ b/src/libs/utils/logging.h
@@ -34,6 +34,8 @@
 
 #if QT_VERSION < QT_VERSION_CHECK(5, 2, 0)
 
+#include <QDebug>
+
 //
 // Qt < 5.2 didn't feature categorized logging:
 // Just enable qCWarning, qCCritical, but disable qCDebug
diff --git a/src/plugins/texteditor/generichighlighter/definitiondownloader.cpp b/src/plugins/texteditor/generichighlighter/definitiondownloader.cpp
index bba85593e43..f55b8615c5f 100644
--- a/src/plugins/texteditor/generichighlighter/definitiondownloader.cpp
+++ b/src/plugins/texteditor/generichighlighter/definitiondownloader.cpp
@@ -36,6 +36,7 @@
 #include <QScopedPointer>
 #include <QNetworkRequest>
 #include <QNetworkReply>
+#include <QRegExp>
 
 #include <utils/networkaccessmanager.h>