diff --git a/tsdb/db.go b/tsdb/db.go
index 2dcd1a7a59..9da5136532 100644
--- a/tsdb/db.go
+++ b/tsdb/db.go
@@ -1684,7 +1684,7 @@ func (db *DB) CompactStaleHead() (err error) {
 
 	// We get the stale series reference first because this list can change during the compaction below.
 	// It is more efficient and easier to provide an index interface for the stale series when we have a static list.
-	staleSeriesRefs, err := db.head.SortedStaleSeriesRefsNoOOOData(context.Background())
+	staleSeriesRefs, err := db.head.sortedStaleSeriesRefsNoOOOData(context.Background())
 	if err != nil {
 		return err
 	}
diff --git a/tsdb/head_read.go b/tsdb/head_read.go
index 5806e995b3..61217f3cb0 100644
--- a/tsdb/head_read.go
+++ b/tsdb/head_read.go
@@ -334,8 +334,8 @@ func (h *headStaleIndexReader) SortedPostings(p index.Postings) index.Postings {
 	}
 }
 
-// SortedStaleSeriesRefsNoOOOData returns all the series refs of the stale series that do not have any out-of-order data.
-func (h *Head) SortedStaleSeriesRefsNoOOOData(ctx context.Context) (staleSeriesRefs, error) {
+// sortedStaleSeriesRefsNoOOOData returns all the series refs of the stale series that do not have any out-of-order data.
+func (h *Head) sortedStaleSeriesRefsNoOOOData(ctx context.Context) (staleSeriesRefs, error) {
 	k, v := index.AllPostingsKey()
 	return h.filterStaleSeriesAndSortPostings(h.postings.Postings(ctx, k, v))
 }