diff --git a/static_files/mev/flashbots/mev_builder/config.toml.tmpl b/static_files/mev/flashbots/mev_builder/config.toml.tmpl
index c549f7832..c8e55adf5 100644
--- a/static_files/mev/flashbots/mev_builder/config.toml.tmpl
+++ b/static_files/mev/flashbots/mev_builder/config.toml.tmpl
@@ -10,7 +10,6 @@ reth_datadir = "{{ .DataDir }}"
 
 coinbase_secret_key = "{{ .SecretKey }}"
 relay_secret_key = "{{ .SecretKey }}"
-optimistic_relay_secret_key = "{{ .SecretKey }}"
 
 # cl_node_url can be a single value, array of values, or passed by an environment variables with values separated with a comma
 cl_node_url = ["{{ .CLEndpoint }}"]