diff --git a/pkg/receive/multitsdb_test.go b/pkg/receive/multitsdb_test.go
index 77350ff6a2..f886e1212b 100644
--- a/pkg/receive/multitsdb_test.go
+++ b/pkg/receive/multitsdb_test.go
@@ -733,7 +733,6 @@ func TestMultiTSDBWithNilStore(t *testing.T) {
 		nil,
 		false,
 		metadata.NoneFunc,
-		nil,
 	)
 	defer func() { testutil.Ok(t, m.Close()) }()
 
diff --git a/pkg/store/storepb/matcher_cache.go b/pkg/store/storepb/matcher_cache.go
index cc77cdca1d..289a314eab 100644
--- a/pkg/store/storepb/matcher_cache.go
+++ b/pkg/store/storepb/matcher_cache.go
@@ -21,7 +21,7 @@ type MatchersCache interface {
 	GetOrSet(key LabelMatcher, newItem NewItemFunc) (*labels.Matcher, error)
 }
 
-// Ensure implementations satisfy the interface
+// Ensure implementations satisfy the interface.
 var (
 	_ MatchersCache = (*LruMatchersCache)(nil)
 	_ MatchersCache = (*NoopMatcherCache)(nil)