diff --git a/src/Tools/plugins/widget/customwidgets.cpp b/src/Tools/plugins/widget/customwidgets.cpp
index eee94475ac..85e983ff69 100644
--- a/src/Tools/plugins/widget/customwidgets.cpp
+++ b/src/Tools/plugins/widget/customwidgets.cpp
@@ -1084,13 +1084,11 @@ void QuantitySpinBox::clearSchema()
 
 QString QuantitySpinBox::getUserString(const Base::Quantity& val, double& factor, QString& unitString) const
 {
-    Q_D(const QuantitySpinBox);
     return val.getUserString(factor, unitString);
 }
 
 QString QuantitySpinBox::getUserString(const Base::Quantity& val) const
 {
-    Q_D(const QuantitySpinBox);
     return val.getUserString();
 }