6 files changed, 6 insertions, 6 deletions
diff --git a/src/datavisualization/utils/abstractobjecthelper_p.h b/src/datavisualization/utils/abstractobjecthelper_p.h
index b12bc474..99f85dab 100644
--- a/src/datavisualization/utils/abstractobjecthelper_p.h
+++ b/src/datavisualization/utils/abstractobjecthelper_p.h
@@ -38,7 +38,7 @@ class AbstractObjectHelper: protected QOpenGLFunctions
 protected:
     AbstractObjectHelper();
 public:
-    ~AbstractObjectHelper();
+    virtual ~AbstractObjectHelper();
 
     GLuint vertexBuf();
     GLuint normalBuf();
diff --git a/src/datavisualization/utils/objecthelper_p.h b/src/datavisualization/utils/objecthelper_p.h
index c84f53bd..b00e5d8d 100644
--- a/src/datavisualization/utils/objecthelper_p.h
+++ b/src/datavisualization/utils/objecthelper_p.h
@@ -41,7 +41,7 @@ class ObjectHelper : public AbstractObjectHelper
 private:
     ObjectHelper(const QString &objectFile);
 public:
-    ~ObjectHelper();
+    virtual ~ObjectHelper();
 
     static void resetObjectHelper(const Abstract3DRenderer *cacheId, ObjectHelper *&obj,
                                   const QString &meshFile);
diff --git a/src/datavisualization/utils/scatterobjectbufferhelper.cpp b/src/datavisualization/utils/scatterobjectbufferhelper.cpp
index 0ac1dd87..1639eb1f 100644
--- a/src/datavisualization/utils/scatterobjectbufferhelper.cpp
+++ b/src/datavisualization/utils/scatterobjectbufferhelper.cpp
@@ -187,7 +187,7 @@ void ScatterObjectBufferHelper::updateUVs(ScatterSeriesRenderCache *cache)
     QVector<QVector2D> buffered_uvs;
     buffered_uvs.resize(uvsCount * renderArraySize);
 
-    uint itemCount;
+    uint itemCount = 0;
     if (cache->colorStyle() == Q3DTheme::ColorStyleRangeGradient) {
         itemCount = createRangeGradientUVs(cache, buffered_uvs);
     } else if (cache->colorStyle() == Q3DTheme::ColorStyleObjectGradient) {
diff --git a/src/datavisualization/utils/scatterobjectbufferhelper_p.h b/src/datavisualization/utils/scatterobjectbufferhelper_p.h
index c45febd1..08a42900 100644
--- a/src/datavisualization/utils/scatterobjectbufferhelper_p.h
+++ b/src/datavisualization/utils/scatterobjectbufferhelper_p.h
@@ -39,7 +39,7 @@ class ScatterObjectBufferHelper : public AbstractObjectHelper
 {
 public:
     ScatterObjectBufferHelper();
-    ~ScatterObjectBufferHelper();
+    virtual ~ScatterObjectBufferHelper();
 
     void fullLoad(ScatterSeriesRenderCache *cache, qreal dotScale);
     void update(ScatterSeriesRenderCache *cache, qreal dotScale);
diff --git a/src/datavisualization/utils/scatterpointbufferhelper_p.h b/src/datavisualization/utils/scatterpointbufferhelper_p.h
index b3adcfa8..d09ce0f7 100644
--- a/src/datavisualization/utils/scatterpointbufferhelper_p.h
+++ b/src/datavisualization/utils/scatterpointbufferhelper_p.h
@@ -39,7 +39,7 @@ class ScatterPointBufferHelper : public AbstractObjectHelper
 {
 public:
     ScatterPointBufferHelper();
-    ~ScatterPointBufferHelper();
+    virtual ~ScatterPointBufferHelper();
 
     GLuint pointBuf();
 
diff --git a/src/datavisualization/utils/surfaceobject_p.h b/src/datavisualization/utils/surfaceobject_p.h
index 3266c626..f373eb5d 100644
--- a/src/datavisualization/utils/surfaceobject_p.h
+++ b/src/datavisualization/utils/surfaceobject_p.h
@@ -51,7 +51,7 @@ public:
 
 public:
     SurfaceObject(Surface3DRenderer *renderer);
-    ~SurfaceObject();
+    virtual ~SurfaceObject();
 
     void setUpData(const QSurfaceDataArray &dataArray, const QRect &space,
                    bool changeGeometry, bool polar, bool flipXZ = false);