diff --git a/mozilla/Makefile.in b/mozilla/Makefile.in
index 2009d9068af..b58ec09e5a2 100644
--- a/mozilla/Makefile.in
+++ b/mozilla/Makefile.in
@@ -124,7 +124,8 @@ ifdef ENABLE_TESTS
 DIRS		+= xpcom/tests
 endif
 
-DIST_GARBAGE	:= dist config.cache config.log config.status config-defs.h \
+GARBAGE += dist
+DIST_GARBAGE	:= config.cache config.log config.status config-defs.h \
 		dependencies.beos config/autoconf.mk \
 		$(shell cd $(topsrcdir); . ./allmakefiles.sh; \
 			echo $${MAKEFILES})
diff --git a/mozilla/config/config.mk b/mozilla/config/config.mk
index 0e16949a176..cb409097b03 100644
--- a/mozilla/config/config.mk
+++ b/mozilla/config/config.mk
@@ -168,7 +168,7 @@ MY_RULES	:= $(DEPTH)/config/myrules.mk
 # Relative pathname from top-of-tree to current source directory
 #
 ifneq (,$(filter-out OS2 WINNT,$(OS_ARCH)))
-REVDEPTH	:= $(CONFIG_TOOLS)/revdepth
+REVDEPTH	= $(CONFIG_TOOLS)/revdepth
 endif
 
 #
@@ -399,7 +399,7 @@ endif
 
 ######################################################################
 
-GARBAGE		= $(DEPENDENCIES) $(MKDEPENDENCIES) $(MKDEPENDENCIES).bak core $(wildcard core.[0-9]*) $(wildcard *.err) $(wildcard *.pure) $(wildcard *_pure_*.o) Templates.DB
+GARBAGE		+= $(DEPENDENCIES) $(MKDEPENDENCIES) $(MKDEPENDENCIES).bak core $(wildcard core.[0-9]*) $(wildcard *.err) $(wildcard *.pure) $(wildcard *_pure_*.o) Templates.DB
 
 ifneq ($(OS_ARCH),WINNT)
 NSINSTALL	= $(CONFIG_TOOLS)/nsinstall