diff --git a/common/bytes.go b/common/bytes.go
index 389ac0e4b..4fb016a97 100644
--- a/common/bytes.go
+++ b/common/bytes.go
@@ -48,22 +48,6 @@ func FromHex(s string) []byte {
 	return nil
 }
 
-type Bytes []byte
-
-func (self Bytes) String() string {
-	return string(self)
-}
-
-func DeleteFromByteSlice(s [][]byte, hash []byte) [][]byte {
-	for i, h := range s {
-		if bytes.Compare(h, hash) == 0 {
-			return append(s[:i:i], s[i+1:]...)
-		}
-	}
-
-	return s
-}
-
 // Number to bytes
 //
 // Returns the number in bytes with the specified base
diff --git a/common/bytes_test.go b/common/bytes_test.go
index 816d2082b..2e5208477 100644
--- a/common/bytes_test.go
+++ b/common/bytes_test.go
@@ -27,26 +27,6 @@ type BytesSuite struct{}
 
 var _ = checker.Suite(&BytesSuite{})
 
-func (s *BytesSuite) TestByteString(c *checker.C) {
-	var data Bytes
-	data = []byte{102, 111, 111}
-	exp := "foo"
-	res := data.String()
-
-	c.Assert(res, checker.Equals, exp)
-}
-
-/*
-func (s *BytesSuite) TestDeleteFromByteSlice(c *checker.C) {
-	data := []byte{1, 2, 3, 4}
-	slice := []byte{1, 2, 3, 4}
-	exp := []byte{1, 4}
-	res := DeleteFromByteSlice(data, slice)
-
-	c.Assert(res, checker.DeepEquals, exp)
-}
-
-*/
 func (s *BytesSuite) TestNumberToBytes(c *checker.C) {
 	// data1 := int(1)
 	// res1 := NumberToBytes(data1, 16)