diff --git a/optd-persistent/src/entities/mod.rs b/optd-persistent/src/entities/mod.rs
index 9434c2a..cd2d9d0 100644
--- a/optd-persistent/src/entities/mod.rs
+++ b/optd-persistent/src/entities/mod.rs
@@ -20,6 +20,10 @@ pub mod physical_expression;
 pub mod physical_expression_to_statistic_junction;
 pub mod physical_property;
 pub mod plan_cost;
+pub mod predicate;
+pub mod predicate_children;
+pub mod predicate_logical_expression_junction;
+pub mod predicate_physical_expression_junction;
 pub mod statistic;
 pub mod statistic_to_attribute_junction;
 pub mod table_metadata;