diff --git a/Makefile b/Makefile
index 5513dc7..afcb5bc 100755
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-.PHONY: build check install clean
+.PHONY: build check install clean-tmp clean
 build:
 	$(MAKE) -C src
 
@@ -9,6 +9,9 @@ install:
 	$(MAKE) -C src install
 	$(MAKE) -C include install
 
+clean-tmp:
+	$(MAKE) -C src clean-tmp
+
 clean:
 	$(MAKE) -C src clean
 	$(MAKE) -C test clean
diff --git a/src/Makefile b/src/Makefile
index cab6db1..2ac193a 100755
--- a/src/Makefile
+++ b/src/Makefile
@@ -6,10 +6,13 @@ CPPFLAGS = -I../include -DNDEBUG
 $(BIN): $(OBJ)
 	ar rs $(BIN) $(OBJ)
 
-.PHONY: clean install
+.PHONY: install clean-tmp clean
 install: $(BIN)
 	mkdir -p $(DESTDIR)/usr/lib
 	install $(BIN) $(DESTDIR)/usr/lib
 
-clean:
-	rm -f $(OBJ) $(BIN)
+clean-tmp:
+	rm -f $(OBJ)
+
+clean: clean-tmp
+	rm -f $(BIN)