--- a/layout/generic/nsLineLayout.cpp
+++ b/layout/generic/nsLineLayout.cpp
@@ -28,24 +28,20 @@
 #include "nsRubyFrame.h"
 #include "nsRubyTextFrame.h"
 #include "RubyUtils.h"
 #include <algorithm>
 
 #ifdef DEBUG
 #undef  NOISY_INLINEDIR_ALIGN
 #undef  NOISY_BLOCKDIR_ALIGN
-#undef  REALLY_NOISY_BLOCKDIR_ALIGN
 #undef  NOISY_REFLOW
 #undef  REALLY_NOISY_REFLOW
 #undef  NOISY_PUSHING
 #undef  REALLY_NOISY_PUSHING
-#undef  DEBUG_ADD_TEXT
-#undef  NOISY_MAX_ELEMENT_SIZE
-#undef  REALLY_NOISY_MAX_ELEMENT_SIZE
 #undef  NOISY_CAN_PLACE_FRAME
 #undef  NOISY_TRIM
 #undef  REALLY_NOISY_TRIM
 #endif
 
 using namespace mozilla;
 
 //----------------------------------------------------------------------