diff --git a/actors/insertion-writer/src/sync/subgraph/adapter.ts b/actors/insertion-writer/src/sync/subgraph/adapter.ts
index 89e313b4d2..38222e7a6a 100644
--- a/actors/insertion-writer/src/sync/subgraph/adapter.ts
+++ b/actors/insertion-writer/src/sync/subgraph/adapter.ts
@@ -108,7 +108,6 @@ export class SubgraphTreeInsertionSyncAdapter
               const batch = range(0, insertion.numZeros).map((i) => ({
                 noteCommitment: TreeConstants.ZERO_VALUE,
                 merkleIndex: startIndex + i,
-                // HACK: add `i` to `totalEntityIndex` to ensure all of the zeros have unique `totalEntityIndex`s
               }));
 
               yield batch;