diff --git a/GNUmakefile b/GNUmakefile
index d176f153..b5ad3032 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -1,4 +1,4 @@
-# $Id: GNUmakefile,v 1.110 2009-07-20 05:40:12 nicm Exp $
+# $Id: GNUmakefile,v 1.111 2009-07-21 13:51:30 nicm Exp $
 
 .PHONY: clean
 
@@ -48,9 +48,12 @@ depend: 	$(SRCS)
 		$(CC) $(CPPFLAGS) $(CFLAGS) -MM $(SRCS) > .depend
 
 clean:
-		rm -f tmux *.o .depend *~ *.core *.log compat/*.o
+		rm -f tmux *.o *~ *.core *.log compat/*.o
 
-clean-all:	clean
+clean-depend:
+		rm -f .depend
+
+clean-all:	clean clean-depend
 		rm -f config.h config.mk
 
 install:	all
@@ -58,3 +61,5 @@ install:	all
 		$(INSTALLBIN) tmux $(DESTDIR)$(PREFIX)/bin/tmux
 		$(INSTALLDIR) $(DESTDIR)$(PREFIX)/man/man1
 		$(INSTALLMAN) tmux.1 $(DESTDIR)$(PREFIX)/man/man1/tmux.1
+
+-include .depend
diff --git a/Makefile b/Makefile
index 307fb73c..71431a1c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-# $Id: Makefile,v 1.145 2009-07-20 05:40:13 nicm Exp $
+# $Id: Makefile,v 1.146 2009-07-21 13:51:30 nicm Exp $
 
 .SUFFIXES: .c .o
 .PHONY: clean
@@ -53,9 +53,12 @@ depend:
 		mkdep ${CPPFLAGS} ${CFLAGS} ${SRCS:M*.c}
 
 clean:
-		rm -f tmux *.o .depend *~ *.core *.log compat/*.o
+		rm -f tmux *.o *~ *.core *.log compat/*.o
 
-clean-all:	clean
+clean-depend:
+		rm -f .depend
+
+clean-all:	clean clean-depend
 		rm -f config.h config.mk
 
 install:	all