diff --git a/Makefile.in b/Makefile.in
index e39e4a090..5fd41c952 100755
--- a/Makefile.in
+++ b/Makefile.in
@@ -247,7 +247,7 @@ uninstall:
 	cd tools; @MAKE@ uninstall
 
 clean:
-	-$(RMDIRTREE) *.*~ @buildlib@/*.* build/include/cantera/config.h
+	-$(RMDIRTREE) *.*~ @buildlib@/*.* build/include/cantera/config.h svn*~
 	-cd Cantera; @MAKE@ clean
 	-cd tools; @MAKE@ clean
 	-cd ext; @MAKE@ clean
diff --git a/examples/cxx/Makefile.in b/examples/cxx/Makefile.in
index e74a9f8ee..008d0c035 100755
--- a/examples/cxx/Makefile.in
+++ b/examples/cxx/Makefile.in
@@ -111,7 +111,7 @@ $(PROGRAM): $(OBJS) $(LIB_DEPS)
 
 
 clean:
-	$(RM) $(OBJS) $(PROGRAM) $(DEPENDS) .depends
+	$(RM) $(OBJS) $(PROGRAM) $(DEPENDS) .depends *~
 	(if test -d SunWS_cache ; then \
            $(RM) -rf SunWS_cache ; \
          fi )