diff --git a/eth/ethconfig/config.go b/eth/ethconfig/config.go
index 6b75ab816f..cd9181e5cd 100644
--- a/eth/ethconfig/config.go
+++ b/eth/ethconfig/config.go
@@ -49,6 +49,7 @@ var FullNodeGPO = gasprice.Config{
 // Defaults contains default settings for use on the Ethereum main net.
 var Defaults = Config{
 	SyncMode:           SnapSync,
+	HistoryMode:        AllHistory,
 	NetworkId:          0, // enable auto configuration of networkID == chainID
 	TxLookupLimit:      2350000,
 	TransactionHistory: 2350000,
@@ -80,6 +81,8 @@ type Config struct {
 	// zero, the chain ID is used as network ID.
 	NetworkId uint64
 	SyncMode  SyncMode
+	// HistoryMode defines the pruning mode for historical blockchain data
+	HistoryMode HistoryMode
 
 	// This can be set to list of enrtree:// URLs which will be queried for
 	// nodes to connect to.