diff --git a/benchmark/src/main.rs b/benchmark/src/main.rs
index 05544214..6825886c 100644
--- a/benchmark/src/main.rs
+++ b/benchmark/src/main.rs
@@ -216,7 +216,7 @@ fn init_logging() {
 
 // Taken from https://github.com/clap-rs/clap/blob/master/examples/typed-derive.rs#L48
 // Used to parse LogitBias's
-pub(crate) fn parse_key_val<T, U>(s: &str) -> Result<(T, U), Box<dyn std::error::Error + Send + Sync + 'static>>
+fn parse_key_val<T, U>(s: &str) -> Result<(T, U), Box<dyn std::error::Error + Send + Sync + 'static>>
     where
         T: std::str::FromStr,
         T::Err: std::error::Error + Send + Sync + 'static,