diff --git a/common/hexutil/hexutil.go b/common/hexutil/hexutil.go
index 924f7d2513..d3201850a8 100644
--- a/common/hexutil/hexutil.go
+++ b/common/hexutil/hexutil.go
@@ -64,10 +64,6 @@ func Decode(input string) ([]byte, error) {
 	if !has0xPrefix(input) {
 		return nil, ErrMissingPrefix
 	}
-	// better compatible with odd size string
-	if len(input)%2 != 0 {
-		input = "0x0" + input[2:]
-	}
 	b, err := hex.DecodeString(input[2:])
 	if err != nil {
 		err = mapError(err)