diff --git a/src/cerbero_bite/analysis/data_audit.py b/src/cerbero_bite/analysis/data_audit.py
index e8fb951..fed4304 100644
--- a/src/cerbero_bite/analysis/data_audit.py
+++ b/src/cerbero_bite/analysis/data_audit.py
@@ -93,7 +93,6 @@ class ChainAuditReport:
     bid_gt_ask_count: int = 0
     iv_null_count: int = 0
     iv_null_pct: Decimal = Decimal("0")
-    depth_zero_pct: Decimal = Decimal("0")
 
 
 def _expected_ticks(since: datetime, until: datetime) -> int: