diff --git a/params/config.go b/params/config.go
index c5dfad1cd3..609e86f9fd 100644
--- a/params/config.go
+++ b/params/config.go
@@ -1375,7 +1375,6 @@ func (err *ConfigCompatError) Error() string {
 // Rules is a one time interface meaning that it shouldn't be used in between transition
 // phases.
 type Rules struct {
-	ChainID                                                 *big.Int
 	IsHomestead, IsEIP150, IsEIP155, IsEIP158               bool
 	IsEIP2929, IsEIP4762                                    bool
 	IsByzantium, IsConstantinople, IsPetersburg, IsIstanbul bool
@@ -1394,7 +1393,6 @@ func (c *ChainConfig) Rules(num *big.Int, isMerge bool, timestamp uint64) Rules
 	isMerge = isMerge && c.IsLondon(num)
 	isVerkle := isMerge && c.IsVerkle(num, timestamp)
 	return Rules{
-		ChainID:          new(big.Int).Set(chainID),
 		IsHomestead:      c.IsHomestead(num),
 		IsEIP150:         c.IsEIP150(num),
 		IsEIP155:         c.IsEIP155(num),