diff --git a/pkg/compactor/background_chunks_series_set.go b/pkg/compactor/background_chunks_series_set.go
index 7e300fed2a..bca40f73d2 100644
--- a/pkg/compactor/background_chunks_series_set.go
+++ b/pkg/compactor/background_chunks_series_set.go
@@ -4,6 +4,7 @@ import (
 	"context"
 
 	"github.com/prometheus/prometheus/storage"
+	"github.com/prometheus/prometheus/util/annotations"
 )
 
 type backgrounChunkSeriesSet struct {
@@ -26,7 +27,7 @@ func (b *backgrounChunkSeriesSet) Err() error {
 	return b.cs.Err()
 }
 
-func (b *backgrounChunkSeriesSet) Warnings() storage.Warnings {
+func (b *backgrounChunkSeriesSet) Warnings() annotations.Annotations {
 	return b.cs.Warnings()
 }
 
diff --git a/pkg/compactor/sharded_block_populator.go b/pkg/compactor/sharded_block_populator.go
index e178b59cea..3854c94224 100644
--- a/pkg/compactor/sharded_block_populator.go
+++ b/pkg/compactor/sharded_block_populator.go
@@ -91,7 +91,7 @@ func (c ShardedBlockPopulator) PopulateBlock(ctx context.Context, metrics *tsdb.
 		closers = append(closers, tombsr)
 
 		k, v := index.AllPostingsKey()
-		all, err := indexr.Postings(k, v)
+		all, err := indexr.Postings(ctx, k, v)
 		if err != nil {
 			return err
 		}