diff --git a/poh/src/mpsc_ringbuffer.rs b/poh/src/mpsc_ringbuffer.rs
index 9a4de0987441d4..f31a152bb6ba56 100644
--- a/poh/src/mpsc_ringbuffer.rs
+++ b/poh/src/mpsc_ringbuffer.rs
@@ -620,6 +620,10 @@ impl<T> ArrayQueue<T> {
         }
     }
 
+    /// TODO: Implement
+    pub fn pop_without_advancing_tail(&self) -> Option <T> {
+        None
+    }
     /// Returns the capacity of the queue.
     ///
     /// # Examples