diff --git a/const.go b/const.go
deleted file mode 100644
index 49af42c..0000000
--- a/const.go
+++ /dev/null
@@ -1,37 +0,0 @@
-package crawler
-
-import (
-	"strconv"
-)
-
-type CrawlerName int
-
-func (c CrawlerName) String() string {
-	return strconv.Itoa(int(c))
-}
-
-const (
-	ACTIVEDIRECTORY = CrawlerName(iota)
-	DNS
-	FTP
-	FTPS
-	IMAP
-	LDAP
-	MONGODB
-	MSSQL
-	MYSQL
-	MARIADB
-	PGSQL
-	NETBIOS
-	ORACLE
-	POP3
-	REDIS
-	RMI
-	SMB
-	SMTP
-	SNMPV2C
-	SNMPV3
-	SSH
-	TELNET
-	WMI
-)