diff --git a/python/gui/auto_generated/symbology/qgssymbollayerwidget.sip.in b/python/gui/auto_generated/symbology/qgssymbollayerwidget.sip.in
index 4f3e365a3d24..36061e566d58 100644
--- a/python/gui/auto_generated/symbology/qgssymbollayerwidget.sip.in
+++ b/python/gui/auto_generated/symbology/qgssymbollayerwidget.sip.in
@@ -451,10 +451,19 @@ Creates a new QgsSvgMarkerSymbolLayerWidget.
 
   public slots:
     void setSvgPath( const QString &name );
+%Docstring
+Sets the SVG path
+%End
 
 
   protected:
-    void populateList();
+
+ void populateList() /Deprecated/;
+%Docstring
+This method does nothing anymore, the loading is automatic
+
+.. deprecated:: QGIS 3.16
+%End
 
     void setGuiForSvg( const QgsSvgMarkerSymbolLayer *layer, bool skipDefaultColors = false );
 %Docstring
diff --git a/src/gui/symbology/qgssymbollayerwidget.h b/src/gui/symbology/qgssymbollayerwidget.h
index 52b809cc8667..a3dcf672f63b 100644
--- a/src/gui/symbology/qgssymbollayerwidget.h
+++ b/src/gui/symbology/qgssymbollayerwidget.h
@@ -599,12 +599,18 @@ class GUI_EXPORT QgsSvgMarkerSymbolLayerWidget : public QgsSymbolLayerWidget, pr
     void setContext( const QgsSymbolWidgetContext &context ) override;
 
   public slots:
+    //! Sets the SVG path
     void setSvgPath( const QString &name );
 
 
   protected:
     // TODO QGIS 4: remove
-    Q_DECL_DEPRECATED void populateList() {};
+
+    /**
+     * This method does nothing anymore, the loading is automatic
+     * \deprecated since QGIS 3.16
+     */
+    Q_DECL_DEPRECATED void populateList() SIP_DEPRECATED {}
 
     /**
      * Updates the GUI to reflect the SVG marker symbol \a layer.