diff --git a/internal/restorer/restorer_test.go b/internal/restorer/restorer_test.go
index 0c86135a7..333d4598b 100644
--- a/internal/restorer/restorer_test.go
+++ b/internal/restorer/restorer_test.go
@@ -19,8 +19,7 @@ import (
 type Node interface{}
 
 type Snapshot struct {
-	Nodes  map[string]Node
-	treeID restic.ID
+	Nodes map[string]Node
 }
 
 type File struct {