diff --git a/backend/random/random.go b/backend/random/random.go
deleted file mode 100644
index fa9f057..0000000
--- a/backend/random/random.go
+++ /dev/null
@@ -1,38 +0,0 @@
-package random
-
-import (
-	"math/rand"
-	"time"
-)
-
-func init() {
-	rand.Seed(time.Now().UnixNano())
-}
-
-const letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
-const (
-	letterIdxBits = 6                    // 6 bits to represent a letter index
-	letterIdxMask = 1<<letterIdxBits - 1 // All 1-bits, as many as letterIdxBits
-	letterIdxMax  = 63 / letterIdxBits   // # of letter indices fitting in 63 bits
-)
-
-var src = rand.NewSource(time.Now().UnixNano())
-
-// String returns n random strings
-func String(n int) string {
-	b := make([]byte, n)
-	// A src.Int63() generates 63 random bits, enough for letterIdxMax characters!
-	for i, cache, remain := n-1, src.Int63(), letterIdxMax; i >= 0; {
-		if remain == 0 {
-			cache, remain = src.Int63(), letterIdxMax
-		}
-		if idx := int(cache & letterIdxMask); idx < len(letterBytes) {
-			b[i] = letterBytes[idx]
-			i--
-		}
-		cache >>= letterIdxBits
-		remain--
-	}
-
-	return string(b)
-}