diff --git a/lcli/src/main.rs b/lcli/src/main.rs
index 72d5cfd0a43..a94f00685e6 100644
--- a/lcli/src/main.rs
+++ b/lcli/src/main.rs
@@ -919,6 +919,7 @@ fn main() {
                         .help("Controls the response to newPayload and forkchoiceUpdated. \
                             Set to 'true' to return VALID. Set to 'false' to return SYNCING.")
                         .default_value("false")
+                        .hidden(true)
                 )
                 .arg(
                     Arg::with_name("shanghai-time")