diff --git a/util.go b/util.go
index 7996233..7644576 100644
--- a/util.go
+++ b/util.go
@@ -23,12 +23,6 @@ type ParsedLink struct {
 	Href     string `json:"href"`
 }
 
-var random *rand.Rand
-
-func init() {
-	random = rand.New(rand.NewSource(time.Now().UnixNano()))
-}
-
 const letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
 
 func RandStringBytes(n int) string {