diff --git a/CHANGELOG.md b/CHANGELOG.md
index d00012c9..0f1c5496 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -33,6 +33,10 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ## Unreleased
 
+### Improvements
+* Add aggregation of orderbooks for hash historical pricing [#496](https://github.com/provenance-io/explorer-service/issues/496)
+
+
 ## [v5.6.0](https://github.com/provenance-io/explorer-service/releases/tag/v5.6.0) - 2023-07-05
 ### Release Name: Niels Peter
 
diff --git a/service/src/main/kotlin/io/provenance/explorer/domain/entities/ExplorerCache.kt b/service/src/main/kotlin/io/provenance/explorer/domain/entities/ExplorerCache.kt
index d9fa1060..b267bfd2 100644
--- a/service/src/main/kotlin/io/provenance/explorer/domain/entities/ExplorerCache.kt
+++ b/service/src/main/kotlin/io/provenance/explorer/domain/entities/ExplorerCache.kt
@@ -2,7 +2,6 @@ package io.provenance.explorer.domain.entities
 
 import io.provenance.explorer.OBJECT_MAPPER
 import io.provenance.explorer.domain.core.sql.jsonb
-import io.provenance.explorer.domain.extensions.startOfDay
 import io.provenance.explorer.model.ChainAum
 import io.provenance.explorer.model.ChainMarketRate
 import io.provenance.explorer.model.CmcHistoricalQuote