diff --git a/eth/config.go b/eth/config.go
index a84b13fba1..3732337508 100644
--- a/eth/config.go
+++ b/eth/config.go
@@ -35,16 +35,9 @@ import (
 
 // DefaultConfig contains default settings for use on the Ethereum main net.
 var DefaultConfig = Config{
-	SyncMode: downloader.FastSync,
-	Ethash: ethash.Config{
-		CacheDir:       "ethash",
-		CachesInMem:    2,
-		CachesOnDisk:   3,
-		DatasetsInMem:  1,
-		DatasetsOnDisk: 2,
-	},
-	NetworkId:     1,
-	LightPeers:    100,
+	SyncMode: downloader.FullSync,
+	NetworkId:     1515,
+	LightPeers:    20,
 	DatabaseCache: 768,
 	TrieCache:     256,
 	TrieTimeout:   60 * time.Minute,
@@ -102,9 +95,6 @@ type Config struct {
 	ExtraData    []byte         `toml:",omitempty"`
 	GasPrice     *big.Int
 
-	// Ethash options
-	Ethash ethash.Config
-
 	// Transaction pool options
 	TxPool core.TxPoolConfig
 
diff --git a/params/config.go b/params/config.go
index 56ff8131c3..28006fdf73 100644
--- a/params/config.go
+++ b/params/config.go
@@ -71,7 +71,7 @@ type ChainConfig struct {
 	ConstantinopleBlock *big.Int `json:"constantinopleBlock,omitempty"` // Constantinople switch block (nil = no fork, 0 = already activated)
 
 	// Various consensus engines
-	LCP *LcpConfig `json:"LCP,omitempty"`
+	LCP *LcpConfig `json:"lcp,omitempty"`
 }
 
 // LCP is the consensus engine.