diff --git a/params/config.go b/params/config.go
index 5b7ba9ef32..f324ae9683 100644
--- a/params/config.go
+++ b/params/config.go
@@ -208,8 +208,6 @@ var (
 				"0": "0x00000000000000000000000000000000000000000",
 			},
 		},
-		ShanghaiBlock: big.NewInt(0),
-		CancunBlock:   big.NewInt(0),
 	}
 
 	// MumbaiChainConfig contains the chain parameters to run a node on the Mumbai test network.