diff --git a/Makefile b/Makefile
index d98fc4d..f5b6dcd 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 INSTALL_PATH ?= $(CURDIR)
 
-$(shell ./bootstrap.sh)
+$(shell ./bootstrap.sh >> /dev/null 2>&1)
 
 $(shell ./tools/build_config.sh build_config.mk $INSTALL_PATH)
 
diff --git a/dev.sh b/dev.sh
index 7b42c8e..a9be046 100644
--- a/dev.sh
+++ b/dev.sh
@@ -76,7 +76,7 @@ fi
 
 #check lua
 CHECK_LUA_FILE="$LEDISTOP/tools/check_lua.go"
-go run $CHECK_LUA_FILE 2>/dev/null  
+go run $CHECK_LUA_FILE >> /dev/null 2>&1 
 if [ "$?" = 0 ]; then
     GO_BUILD_TAGS="$GO_BUILD_TAGS lua"
 fi
diff --git a/tools/check_lua.go b/tools/check_lua.go
index f0fccf8..bc82c04 100644
--- a/tools/check_lua.go
+++ b/tools/check_lua.go
@@ -1,3 +1,5 @@
+// +build ignore
+
 package main
 
 import "github.com/siddontang/golua/lua"