diff --git a/src/libs/vgeometry/vabstractcubicbezier.h b/src/libs/vgeometry/vabstractcubicbezier.h
index dc75a20c3..c740ab90a 100644
--- a/src/libs/vgeometry/vabstractcubicbezier.h
+++ b/src/libs/vgeometry/vabstractcubicbezier.h
@@ -41,6 +41,9 @@
 
 class VPointF;
 
+QT_WARNING_PUSH
+QT_WARNING_DISABLE_GCC("-Wsuggest-final-types")
+
 class VAbstractCubicBezier : public VAbstractBezier
 {
 public:
@@ -74,4 +77,6 @@ protected:
     virtual QPointF GetControlPoint2() const =0;
 };
 
+QT_WARNING_POP
+
 #endif // VABSTRACTCUBICBEZIER_H
diff --git a/src/libs/vpropertyexplorer/plugins/Vector3d/vvector3dproperty.h b/src/libs/vpropertyexplorer/plugins/Vector3d/vvector3dproperty.h
index 54eeec0f1..7c8017a98 100644
--- a/src/libs/vpropertyexplorer/plugins/Vector3d/vvector3dproperty.h
+++ b/src/libs/vpropertyexplorer/plugins/Vector3d/vvector3dproperty.h
@@ -113,6 +113,8 @@ private:
     Q_DISABLE_COPY(QVector3DProperty)
 };
 
+VPE_MARK_NONFINAL_CLASS(QVector3DProperty)
+
 }
 
 #endif // VVECTOR3DPROPERTY_H
diff --git a/src/libs/vpropertyexplorer/plugins/venumproperty.h b/src/libs/vpropertyexplorer/plugins/venumproperty.h
index 7966bb0dd..3418e24c2 100644
--- a/src/libs/vpropertyexplorer/plugins/venumproperty.h
+++ b/src/libs/vpropertyexplorer/plugins/venumproperty.h
@@ -104,6 +104,8 @@ private:
     Q_DISABLE_COPY(VEnumProperty)
 };
 
+VPE_MARK_NONFINAL_CLASS(VEnumProperty)
+
 }
 
 #endif // VENUMPROPERTY_H
diff --git a/src/libs/vpropertyexplorer/plugins/vfileproperty.h b/src/libs/vpropertyexplorer/plugins/vfileproperty.h
index e81785231..a3f6a0a5c 100644
--- a/src/libs/vpropertyexplorer/plugins/vfileproperty.h
+++ b/src/libs/vpropertyexplorer/plugins/vfileproperty.h
@@ -108,6 +108,8 @@ private:
     Q_DISABLE_COPY(VFileProperty)
 };
 
+VPE_MARK_NONFINAL_CLASS(VFileProperty)
+
 }
 
 #endif // VFILEPROPERTY_H
diff --git a/src/libs/vpropertyexplorer/plugins/vfilepropertyeditor.h b/src/libs/vpropertyexplorer/plugins/vfilepropertyeditor.h
index 95b31ec30..dbe6c7f11 100644
--- a/src/libs/vpropertyexplorer/plugins/vfilepropertyeditor.h
+++ b/src/libs/vpropertyexplorer/plugins/vfilepropertyeditor.h
@@ -113,6 +113,8 @@ private:
     Q_DISABLE_COPY(VFileEditWidget)
 };
 
+VPE_MARK_NONFINAL_CLASS(VFileEditWidget)
+
 }
 
 #endif // VFILEPROPERTYEDITOR_H
diff --git a/src/libs/vpropertyexplorer/plugins/vnumberproperty.h b/src/libs/vpropertyexplorer/plugins/vnumberproperty.h
index 1c4f41aa9..7211171de 100644
--- a/src/libs/vpropertyexplorer/plugins/vnumberproperty.h
+++ b/src/libs/vpropertyexplorer/plugins/vnumberproperty.h
@@ -146,6 +146,7 @@ private:
     Q_DISABLE_COPY(VDoubleProperty)
 };
 
+VPE_MARK_NONFINAL_CLASS(VDoubleProperty)
 
 }