added clean target
diff --git a/examples/Makefile b/examples/Makefile
index a328a54..807d4c8 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -5,10 +5,17 @@
 
 VPATH = ../src
 
+EXAMPLES += pcm-readi
+EXAMPLES += pcm-writei
+
 .PHONY: all
-all: pcm-readi pcm-writei
+all: $(EXAMPLES)
 
 pcm-readi: pcm-readi.c -ltinyalsa
 
 pcm-writei: pcm-writei.c -ltinyalsa
 
+.PHONY: clean
+clean:
+	rm -f $(EXAMPLES)
+