diff --git a/widget/public/Makefile.in b/widget/public/Makefile.in
index 2e5ce1dfa52..c7d2f78497e 100644
--- a/widget/public/Makefile.in
+++ b/widget/public/Makefile.in
@@ -34,7 +34,6 @@ EXPORTS		= \
 		nsIMenuBar.h \
 		nsIMenu.h \
 		nsIMenuItem.h \
-		nsIPopUpMenu.h \
 		nsStringUtil.h \
 		nsIWidget.h \
 		nsIKBStateControl.h \
@@ -70,7 +69,6 @@ XPIDLSRCS	= \
 		nsIClipboardDragDropHookList.idl \
 		nsIDragSession.idl \
 		nsIDragService.idl \
-		nsIDragTracker.idl \
 		nsIFormatConverter.idl \
 		nsIClipboard.idl \
 		nsIClipboardHelper.idl \
diff --git a/widget/public/nsIDragSession.idl b/widget/public/nsIDragSession.idl
index 38ed07b78d0..ed2a2ae2833 100644
--- a/widget/public/nsIDragSession.idl
+++ b/widget/public/nsIDragSession.idl
@@ -23,7 +23,6 @@
 #include "nsISupports.idl"
 #include "nsISupportsArray.idl"
 #include "nsITransferable.idl"
-#include "nsIDragTracker.idl"
 
 
 %{ C++
diff --git a/widget/public/nsIDragTracker.idl b/widget/public/nsIDragTracker.idl
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/widget/public/nsIMenuItem.h b/widget/public/nsIMenuItem.h
index a3b22aba49f..9ef3f23087b 100644
--- a/widget/public/nsIMenuItem.h
+++ b/widget/public/nsIMenuItem.h
@@ -52,7 +52,6 @@
   { 0xbb, 0x6f, 0x90, 0xf2, 0x40, 0xfe, 0x49, 0x3c } };
 
 class nsIMenu;
-class nsIPopUpMenu;
 class nsIWidget;
 class nsIMenuListener;
 class nsIChangeManager;
diff --git a/widget/public/nsIPointerService.h b/widget/public/nsIPointerService.h
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/widget/public/nsIPopUpMenu.h b/widget/public/nsIPopUpMenu.h
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/widget/src/xpwidgets/nsBaseDragService.h b/widget/src/xpwidgets/nsBaseDragService.h
index c9ed3757776..6f5427af50e 100644
--- a/widget/src/xpwidgets/nsBaseDragService.h
+++ b/widget/src/xpwidgets/nsBaseDragService.h
@@ -78,7 +78,6 @@ protected:
   PRBool             mDoingDrag;
   nsSize             mTargetSize;
   PRUint32           mDragAction;  
-  nsCOMPtr<nsIDragTracker> mCurrentlyTracking;
   nsCOMPtr<nsIDOMNode> mSourceNode;
   nsCOMPtr<nsIDOMDocument> mSourceDocument;       // the document at the drag source. will be null
                                                   //  if it came from outside the app.
diff --git a/widget/src/xpwidgets/nsBasePointerService.cpp b/widget/src/xpwidgets/nsBasePointerService.cpp
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/widget/src/xpwidgets/nsBasePointerService.h b/widget/src/xpwidgets/nsBasePointerService.h
deleted file mode 100644
index e69de29bb2d..00000000000