diff --git a/src/metrics/summary.rs b/src/metrics/summary.rs
index e904162b..3a3ef534 100644
--- a/src/metrics/summary.rs
+++ b/src/metrics/summary.rs
@@ -100,7 +100,6 @@ impl Summary {
         let count = inner.count;
         let mut quantile_values: Vec<(f64, f64)> = Vec::new();
 
-        // TODO: add stream rotation
         for q in self.target_quantile.iter() {
             match inner.quantile_streams[inner.head_stream_idx as usize].query(*q) {
                 Some((_, v)) => quantile_values.push((*q, v)),