diff --git a/proto/aggregator/aggregator.c b/proto/aggregator/aggregator.c
index cf16613f..f81f5f24 100644
--- a/proto/aggregator/aggregator.c
+++ b/proto/aggregator/aggregator.c
@@ -211,9 +211,6 @@ first_pass(struct trie_node *node, slab *trie_slab)
   /* Preorder traversal */
   first_pass(node->child[0], trie_slab);
   first_pass(node->child[1], trie_slab);
-
-  /* Discard bucket in interior nodes */
-  node->bucket = NULL;
 }
 
 /*