2 files changed, 2 insertions, 2 deletions
diff --git a/src/quick/scenegraph/coreapi/qsgabstractrenderer.h b/src/quick/scenegraph/coreapi/qsgabstractrenderer.h
index 2b13f94bc8..8eb16ed129 100644
--- a/src/quick/scenegraph/coreapi/qsgabstractrenderer.h
+++ b/src/quick/scenegraph/coreapi/qsgabstractrenderer.h
@@ -80,7 +80,7 @@ Q_SIGNALS:
     void sceneGraphChanged();
 
 protected:
-    QSGAbstractRenderer(QObject *parent = Q_NULLPTR);
+    explicit QSGAbstractRenderer(QObject *parent = Q_NULLPTR);
     virtual void nodeChanged(QSGNode *node, QSGNode::DirtyState state) = 0;
 
 private:
diff --git a/src/quick/scenegraph/util/qsgengine.h b/src/quick/scenegraph/util/qsgengine.h
index f49561d4b0..438c6d789b 100644
--- a/src/quick/scenegraph/util/qsgengine.h
+++ b/src/quick/scenegraph/util/qsgengine.h
@@ -57,7 +57,7 @@ public:
     };
     Q_DECLARE_FLAGS(CreateTextureOptions, CreateTextureOption)
 
-    QSGEngine(QObject *parent = Q_NULLPTR);
+    explicit QSGEngine(QObject *parent = Q_NULLPTR);
     ~QSGEngine();
 
     void initialize(QOpenGLContext *context);