diff --git a/include/svx/sidebar/LinePropertyPanelBase.hxx b/include/svx/sidebar/LinePropertyPanelBase.hxx
index 0cab1bd447bb..51e52ce09e61 100644
--- a/include/svx/sidebar/LinePropertyPanelBase.hxx
+++ b/include/svx/sidebar/LinePropertyPanelBase.hxx
@@ -47,13 +47,8 @@ class ListBox;
 class ToolBox;
 class FloatingWindow;
 
-namespace
-{
-
 #define SIDEBAR_LINE_WIDTH_GLOBAL_VALUE "PopupPanel_LineWidth"
 
-} //end of anonymous namespace
-
 namespace sfx2 { namespace sidebar {
 
 class SidebarToolBox;