diff --git a/Makefile b/Makefile
index 3f92d2e..cb76437 100644
--- a/Makefile
+++ b/Makefile
@@ -5,6 +5,11 @@ default: nanoidgen
 all: nanoidgen pub/man.pdf pub/man/nanoid.3.html pub/man/nanoidgen.1.html \
      pub/openbsd/man.pdf pub/openbsd/man/nanoid.3.html
 
+clean:
+	rm -r pub nanoidgen
+
+.PHONY: default all clean
+
 pub:
 	mkdir -p $@