diff --git a/mk/spdk.lib.mk b/mk/spdk.lib.mk
index cdb2c5b26..7a2c41cfc 100644
--- a/mk/spdk.lib.mk
+++ b/mk/spdk.lib.mk
@@ -38,6 +38,7 @@ LIB := $(call spdk_lib_list_to_files,$(LIBNAME))
 .PHONY: all clean $(DIRS-y)
 
 all: $(LIB) $(DIRS-y)
+	@:
 
 clean: $(DIRS-y)
 	$(CLEAN_C) $(LIB)
diff --git a/mk/spdk.unittest.mk b/mk/spdk.unittest.mk
index 2e6cd164d..84e4ef111 100644
--- a/mk/spdk.unittest.mk
+++ b/mk/spdk.unittest.mk
@@ -47,6 +47,7 @@ LIBS += -lcunit $(SPDK_LIB_LINKER_ARGS)
 APP = $(TEST_FILE:.c=)
 
 all: $(APP)
+	@:
 
 $(APP) : $(OBJS) $(SPDK_LIB_FILES)
 	$(LINK_C)