diff --git a/src/mac/carbon/display.cpp b/src/mac/carbon/display.cpp
index 6f1a59b223..d6bad4945e 100644
--- a/src/mac/carbon/display.cpp
+++ b/src/mac/carbon/display.cpp
@@ -77,7 +77,7 @@ private:
 class wxDisplayFactoryMacOSX : public wxDisplayFactory
 {
 public:
-    wxDisplayFactoryMacOSX();
+    wxDisplayFactoryMacOSX() {}
 
     virtual wxDisplayImpl *CreateDisplay(size_t n);
     virtual size_t GetCount();