diff --git a/beacon_node/client/src/config.rs b/beacon_node/client/src/config.rs
index becc781ed32..034ea3759a6 100644
--- a/beacon_node/client/src/config.rs
+++ b/beacon_node/client/src/config.rs
@@ -82,6 +82,7 @@ pub struct Config {
     pub genesis_state_url: Option<String>,
     pub genesis_state_url_timeout: Duration,
     pub allow_insecure_genesis_sync: bool,
+    pub prune_payloads: bool,
 }
 
 impl Default for Config {
@@ -115,6 +116,7 @@ impl Default for Config {
             // This default value should always be overwritten by the CLI default value.
             genesis_state_url_timeout: Duration::from_secs(60),
             allow_insecure_genesis_sync: false,
+            prune_payloads: true,
         }
     }
 }