diff --git a/server/crates/arbiter-server/src/db/models.rs b/server/crates/arbiter-server/src/db/models.rs
index b38315d..7fea324 100644
--- a/server/crates/arbiter-server/src/db/models.rs
+++ b/server/crates/arbiter-server/src/db/models.rs
@@ -21,7 +21,7 @@ pub mod types {
     };
 
     #[derive(Debug, FromSqlRow, AsExpression)]
-    #[sql_type = "Integer"]
+    #[diesel(sql_type = Integer)]
     #[repr(transparent)] // hint compiler to optimize the wrapper struct away
     pub struct SqliteTimestamp(pub DateTime<Utc>);
     impl SqliteTimestamp {
diff --git a/server/crates/arbiter-server/src/evm/policies/ether_transfer/tests.rs b/server/crates/arbiter-server/src/evm/policies/ether_transfer/tests.rs
index ebbe185..55a7744 100644
--- a/server/crates/arbiter-server/src/evm/policies/ether_transfer/tests.rs
+++ b/server/crates/arbiter-server/src/evm/policies/ether_transfer/tests.rs
@@ -1,6 +1,6 @@
 use alloy::primitives::{Address, Bytes, U256, address};
 use chrono::{Duration, Utc};
-use diesel::{ExpressionMethods, SelectableHelper, insert_into};
+use diesel::{SelectableHelper, insert_into};
 use diesel_async::RunQueryDsl;
 
 use crate::db::{
diff --git a/server/crates/arbiter-server/src/evm/policies/token_transfers/tests.rs b/server/crates/arbiter-server/src/evm/policies/token_transfers/tests.rs
index 290656b..6cd8246 100644
--- a/server/crates/arbiter-server/src/evm/policies/token_transfers/tests.rs
+++ b/server/crates/arbiter-server/src/evm/policies/token_transfers/tests.rs
@@ -1,7 +1,7 @@
 use alloy::primitives::{Address, Bytes, U256, address};
 use alloy::sol_types::SolCall;
 use chrono::{Duration, Utc};
-use diesel::{ExpressionMethods, SelectableHelper, insert_into};
+use diesel::{SelectableHelper, insert_into};
 use diesel_async::RunQueryDsl;
 
 use crate::db::{