diff --git a/core/genesis.go b/core/genesis.go
index 34f953eab8..be8a39fd94 100644
--- a/core/genesis.go
+++ b/core/genesis.go
@@ -234,7 +234,6 @@ func (g *Genesis) ToBlock(db ethdb.Database) *types.Block {
 		}
 	}
 	root := statedb.IntermediateRoot(false)
-
 	head := &types.Header{
 		Number:     new(big.Int).SetUint64(g.Number),
 		Nonce:      types.EncodeNonce(g.Nonce),
@@ -260,9 +259,6 @@ func (g *Genesis) ToBlock(db ethdb.Database) *types.Block {
 	if g.Difficulty == nil {
 		head.Difficulty = params.GenesisDifficulty
 	}
-	data, _ := rlp.EncodeToBytes(head)
-	fmt.Printf("Genesis header rlp %v\n", common.Bytes2Hex(data))
-
 	statedb.Commit(false)
 	statedb.Database().TrieDB().Commit(root, true)
 
@@ -343,7 +339,6 @@ func DefaultRinkebyGenesisBlock() *Genesis {
 	}
 }
 
-//Need alloc data
 // DefaultGoerliGenesisBlock returns the Goerli network genesis block.
 func DefaultGoerliGenesisBlock() *Genesis {
 	return &Genesis{