1 files changed, 7 insertions, 0 deletions
diff --git a/canvas/workben/canvasdemo.cxx b/canvas/workben/canvasdemo.cxx
index 3e768f5ef118..00acbe9a5d82 100644
--- a/canvas/workben/canvasdemo.cxx
+++ b/canvas/workben/canvasdemo.cxx
@@ -53,6 +53,8 @@ static void PrintHelp()
     fprintf( stdout, "canvasdemo - Exercise the new canvas impl\n" );
 }
 
+namespace {
+
 class TestWindow : public WorkWindow
 {
     public:
@@ -533,6 +535,7 @@ class DemoRenderer
         }
 };
 
+}
 
 void TestWindow::Paint(vcl::RenderContext&, const tools::Rectangle&)
 {
@@ -595,6 +598,8 @@ void TestWindow::Paint(vcl::RenderContext&, const tools::Rectangle&)
     }
 }
 
+namespace {
+
 class DemoApp : public Application
 {
 public:
@@ -606,6 +611,8 @@ protected:
     void DeInit() override;
 };
 
+}
+
 int DemoApp::Main()
 {
     bool bHelp = false;