diff --git a/mozilla/xpcom/tools/windows/makefile.win b/mozilla/xpcom/tools/windows/makefile.win
index ef192c6cd6f..54c288d2895 100644
--- a/mozilla/xpcom/tools/windows/makefile.win
+++ b/mozilla/xpcom/tools/windows/makefile.win
@@ -36,21 +36,6 @@ install:: $(PROGRAMS)
 clobber::
 	-for %p in ($(PROGRAMS)) do $(RM) %p $(DIST)\bin\%p
 
-# Move this into config/obj.inc when it's allowed
-.cpp{.\$(OBJDIR)\}.exe:
-    $(CC) @<<$(CFGFILE)
-        $(CFLAGS)
-        $(LCFLAGS)
-        $(LINCS)
-        $(LINCS_1)
-        $(INCS)
-        $(LLIBS)
-        $(OS_LIBS)
-        -Fd$(PDBFILE)
-        -Fe.\$(OBJDIR)\
-        -Fo.\$(OBJDIR)\
-        $(CURDIR)$(*B).cpp
-<<KEEP
 
 $(PROG1): $(OBJDIR) rebasedlls.cpp