diff --git a/node/flags/flags.go b/node/flags/flags.go
index 232bd06d..d344c62c 100644
--- a/node/flags/flags.go
+++ b/node/flags/flags.go
@@ -61,10 +61,9 @@ var (
 	}
 
 	L1NodeAddr = cli.StringFlag{
-		Name:     "l1.rpc",
-		Usage:    "Address of L1 User JSON-RPC endpoint to use (eth namespace required)",
-		EnvVar:   prefixEnvVar("L1_ETH_RPC"),
-		Required: true,
+		Name:   "l1.rpc",
+		Usage:  "Address of L1 User JSON-RPC endpoint to use (eth namespace required)",
+		EnvVar: prefixEnvVar("L1_ETH_RPC"),
 	}
 
 	L1BeaconAddr = cli.StringFlag{