diff --git a/src/ui/designer/QGCParamSlider.h b/src/ui/designer/QGCParamSlider.h
index 3f73ec5d00f2e93ae5be2c927d32416b30185778..dadc288d09387e884bf2a629483813d5efcb60a2 100644
--- a/src/ui/designer/QGCParamSlider.h
+++ b/src/ui/designer/QGCParamSlider.h
@@ -11,7 +11,7 @@ namespace Ui {
     class QGCParamSlider;
 }
 
-class QDESIGNER_WIDGET_EXPORT QGCParamSlider : public QGCToolWidgetItem
+class QGCParamSlider : public QGCToolWidgetItem
 {
     Q_OBJECT