diff --git a/zeromq/Makefile b/zeromq/Makefile
index 8ac202d..ade6e01 100644
--- a/zeromq/Makefile
+++ b/zeromq/Makefile
@@ -11,4 +11,8 @@ TARGETS := hwserver hwclient wuserver wuclient taskvent taskwork tasksink
 all: $(TARGETS)
 
 
-.PHONY: all
+clean:
+	rm -vf $(TARGETS)
+
+
+.PHONY: all clean