diff --git a/nodes/bootnode/node.toml b/nodes/bootnode/node.toml
index 1004fe8..8324ba6 100644
--- a/nodes/bootnode/node.toml
+++ b/nodes/bootnode/node.toml
@@ -4,5 +4,4 @@ base_path = "parity_data"
 [network]
 port = 30303
 [rpc]
-cors="null"
 apis = ["web3", "eth", "parity", "parity_set", "net", "traces", "rpc"]