diff --git a/plugins/qmlprofilerextension/memoryusagemodel.h b/plugins/qmlprofilerextension/memoryusagemodel.h
index 7b71b2977ee..2ef49ba9307 100644
--- a/plugins/qmlprofilerextension/memoryusagemodel.h
+++ b/plugins/qmlprofilerextension/memoryusagemodel.h
@@ -63,6 +63,7 @@ public:
     QVariantList labels() const;
     QVariantMap details(int index) const;
 
+protected:
     void loadData();
     void clear();
 
diff --git a/plugins/qmlprofilerextension/pixmapcachemodel.h b/plugins/qmlprofilerextension/pixmapcachemodel.h
index 280667993a6..0eaf18b3230 100644
--- a/plugins/qmlprofilerextension/pixmapcachemodel.h
+++ b/plugins/qmlprofilerextension/pixmapcachemodel.h
@@ -67,6 +67,7 @@ public:
 
     QVariantMap details(int index) const;
 
+protected:
     void loadData();
     void clear();
 
diff --git a/plugins/qmlprofilerextension/scenegraphtimelinemodel.h b/plugins/qmlprofilerextension/scenegraphtimelinemodel.h
index 0eea81ce224..2283d957a18 100644
--- a/plugins/qmlprofilerextension/scenegraphtimelinemodel.h
+++ b/plugins/qmlprofilerextension/scenegraphtimelinemodel.h
@@ -52,6 +52,7 @@ public:
 
     QVariantMap details(int index) const;
 
+protected:
     void loadData();
     void clear();