diff --git a/src/emucore/EventHandler.hxx b/src/emucore/EventHandler.hxx
index 05ffa3ba8..72adbc12b 100644
--- a/src/emucore/EventHandler.hxx
+++ b/src/emucore/EventHandler.hxx
@@ -24,7 +24,6 @@ class Console;
 class OSystem;
 class MouseControl;
 class DialogContainer;
-class EventMappingWidget;
 
 #include "Event.hxx"
 #include "EventHandlerConstants.hxx"
diff --git a/src/gui/DeveloperDialog.cxx b/src/gui/DeveloperDialog.cxx
index 9cc151c79..13ef07e02 100644
--- a/src/gui/DeveloperDialog.cxx
+++ b/src/gui/DeveloperDialog.cxx
@@ -23,7 +23,6 @@
 #include "SaveKey.hxx"
 #include "AtariVox.hxx"
 #include "Settings.hxx"
-#include "EventMappingWidget.hxx"
 #include "EditTextWidget.hxx"
 #include "PopUpWidget.hxx"
 #include "RadioButtonWidget.hxx"
diff --git a/src/gui/DeveloperDialog.hxx b/src/gui/DeveloperDialog.hxx
index 5d41d63df..04ea4927d 100644
--- a/src/gui/DeveloperDialog.hxx
+++ b/src/gui/DeveloperDialog.hxx
@@ -21,7 +21,6 @@
 class OSystem;
 class GuiObject;
 class TabWidget;
-class EventMappingWidget;
 class CheckboxWidget;
 class EditTextWidget;
 class PopUpWidget;