diff --git a/mozilla/htmlparser/robot/nsDebugRobot.cpp b/mozilla/htmlparser/robot/nsDebugRobot.cpp
index 94d622cb810..230aa609327 100644
--- a/mozilla/htmlparser/robot/nsDebugRobot.cpp
+++ b/mozilla/htmlparser/robot/nsDebugRobot.cpp
@@ -35,7 +35,6 @@
#include "nsIURL.h"
#include "nsIIOService.h"
static NS_DEFINE_CID(kIOServiceCID, NS_IOSERVICE_CID);
-#include "nsIDTDDebug.h"
#include "nsIComponentManager.h"
#include "nsParserCIID.h"
diff --git a/mozilla/parser/htmlparser/robot/nsDebugRobot.cpp b/mozilla/parser/htmlparser/robot/nsDebugRobot.cpp
index 94d622cb810..230aa609327 100644
--- a/mozilla/parser/htmlparser/robot/nsDebugRobot.cpp
+++ b/mozilla/parser/htmlparser/robot/nsDebugRobot.cpp
@@ -35,7 +35,6 @@
#include "nsIURL.h"
#include "nsIIOService.h"
static NS_DEFINE_CID(kIOServiceCID, NS_IOSERVICE_CID);
-#include "nsIDTDDebug.h"
#include "nsIComponentManager.h"
#include "nsParserCIID.h"