diff --git a/src/DockContainerWidget.cpp b/src/DockContainerWidget.cpp
index 5775183..3e6d014 100644
--- a/src/DockContainerWidget.cpp
+++ b/src/DockContainerWidget.cpp
@@ -1134,10 +1134,8 @@ bool DockContainerWidgetPrivate::restoreDockOrOverlayDockArea(CDockingStateReade
         {
             return false;
         }
-        if (sideTabBarArea != CDockWidgetSideTab::None)
-        {
-            return restoreOverlayDockArea(Stream, sideTabBarArea, Testing);
-        }
+
+        return restoreOverlayDockArea(Stream, sideTabBarArea, Testing);
 	}
 
     // If there's no SideTabBarArea value in the XML, or the value of SideTabBarArea is none, restore the dock area
diff --git a/src/DockWidgetSideTab.h b/src/DockWidgetSideTab.h
index 73f1adb..5107828 100644
--- a/src/DockWidgetSideTab.h
+++ b/src/DockWidgetSideTab.h
@@ -75,10 +75,8 @@ public:
      */
     enum SideTabBarArea
     {
-        None,
         Left,
-        Right,
-        Bottom
+        Right
     };
 
 	Q_ENUM(SideTabBarArea)