diff --git a/mozilla/xpcom/tests/Makefile b/mozilla/xpcom/tests/Makefile
index 239c2310075..c6429110eb4 100644
--- a/mozilla/xpcom/tests/Makefile
+++ b/mozilla/xpcom/tests/Makefile
@@ -19,6 +19,8 @@ DEPTH=../..
 
 include $(DEPTH)/config/config.mk
 
+CFLAGS += -DUSE_NSREG 
+
 CPPSRCS = \
 	RegFactory.cpp \
 	TestFactory.cpp	\
@@ -28,8 +30,6 @@ INCLUDES=-I../src -I$(DIST)/include
 
 DIRS = dynamic 
 
-OBJS	= $(CPPSRCS:.cpp=.o)
-
 EX_LIBS = \
         $(DIST)/bin/libreg.$(DLL_SUFFIX)	\
 	$(DIST)/bin/libxpcom.$(DLL_SUFFIX)	\
@@ -45,10 +45,6 @@ TARGETS = $(NON_DIRS)
 
 include $(DEPTH)/config/rules.mk
 
-$(OBJDIR)/%.o: %.cpp
-	@$(MAKE_OBJDIR)
-	$(CCC) -o $@ $(CFLAGS) -DUSE_NSREG -c $*.cpp
-
 $(PROGS):$(OBJDIR)/%: $(OBJDIR)/%.o $(EX_LIBS)
 	@$(MAKE_OBJDIR)
 	$(CCC) -o $@ $@.o $(LDFLAGS) $(EX_LIBS) $(OS_LIBS)