diff --git a/GUI/View/MaterialEditor/MaterialEditorDialog.cpp b/GUI/View/MaterialEditor/MaterialEditorDialog.cpp
index c76c6d3eae798a610e8da39927756750f85e663a..8f683c32ef10bba00c493abf873bb72d9312b967 100644
--- a/GUI/View/MaterialEditor/MaterialEditorDialog.cpp
+++ b/GUI/View/MaterialEditor/MaterialEditorDialog.cpp
@@ -275,12 +275,6 @@ QString MaterialEditorDialog::chooseMaterial(QWidget* parent, SampleItem* sample
     return QString();
 }
 
-void MaterialEditorDialog::editMaterials(QWidget* parent, SampleItem* sample)
-{
-    MaterialEditorDialog dialog(sample, parent);
-    dialog.exec();
-}
-
 void MaterialEditorDialog::addRefractiveMaterial()
 {
     setCurrentMaterial(m_model->addRefractiveMaterialItem("unnamed", 0.0, 0.0));
diff --git a/GUI/View/MaterialEditor/MaterialEditorDialog.h b/GUI/View/MaterialEditor/MaterialEditorDialog.h
index 5e52d81ffe8b03dbb920097ca3a57f638ee6a5e9..a7126599684961c66e788a5649a62959e522d733 100644
--- a/GUI/View/MaterialEditor/MaterialEditorDialog.h
+++ b/GUI/View/MaterialEditor/MaterialEditorDialog.h
@@ -45,9 +45,6 @@ public:
     static QString chooseMaterial(QWidget* parent, SampleItem* sample,
                                   const QString& identifierOfPreviousMaterial);
 
-    //! Use this to edit the list of existing materials.
-    static void editMaterials(QWidget* parent, SampleItem* sample);
-
 private:
     MaterialEditorDialog(SampleItem* sample, QWidget* parent = nullptr);
     ~MaterialEditorDialog() override;