diff --git a/crates/bin/pindexer/src/dex_ex/mod.rs b/crates/bin/pindexer/src/dex_ex/mod.rs
index 10ecd06dbb..27af8df5ac 100644
--- a/crates/bin/pindexer/src/dex_ex/mod.rs
+++ b/crates/bin/pindexer/src/dex_ex/mod.rs
@@ -1408,7 +1408,7 @@ impl Component {
         dbtx: &mut PgTransaction<'_>,
         time: DateTime,
         height: i32,
-        transaction_id: TransactionId,
+        transaction_id: [u8; 32],
         transaction: Transaction,
     ) -> anyhow::Result<()> {
         sqlx::query(
diff --git a/crates/core/component/dex/src/event.rs b/crates/core/component/dex/src/event.rs
index b8ba02677a..8b39d6a7e3 100644
--- a/crates/core/component/dex/src/event.rs
+++ b/crates/core/component/dex/src/event.rs
@@ -661,42 +661,3 @@ impl From<EventCandlestickData> for pb::EventCandlestickData {
 impl DomainType for EventCandlestickData {
     type Proto = pb::EventCandlestickData;
 }
-
-#[derive(Clone, Debug)]
-pub struct EventBlockTransaction {
-    pub transaction_id: TransactionId,
-    pub transaction: Transaction,
-}
-
-impl TryFrom<pb::EventBlockTransaction> for EventBlockTransaction {
-    type Error = anyhow::Error;
-
-    fn try_from(value: pb::EventBlockTransaction) -> Result<Self, Self::Error> {
-        fn inner(value: pb::EventBlockTransaction) -> anyhow::Result<EventBlockTransaction> {
-            Ok(EventBlockTransaction {
-                transaction_id: value
-                    .transaction_id
-                    .ok_or(anyhow!("missing `transaction_id`"))?
-                    .try_into()?,
-                transaction: value
-                    .transaction
-                    .ok_or(anyhow!("missing `transaction`"))?
-                    .try_into()?,
-            })
-        }
-        inner(value).context(format!("parsing {}", pb::EventBlockTransaction::NAME))
-    }
-}
-
-impl From<EventBlockTransaction> for pb::EventBlockTransaction {
-    fn from(value: EventBlockTransaction) -> Self {
-        Self {
-            transaction_id: Some(value.transaction_id.into()),
-            transaction: Some(value.transaction.into()),
-        }
-    }
-}
-
-impl DomainType for EventBlockTransaction {
-    type Proto = pb::EventBlockTransaction;
-}
diff --git a/crates/proto/src/gen/proto_descriptor.bin.no_lfs b/crates/proto/src/gen/proto_descriptor.bin.no_lfs
index f613403ab9..6dc78d95fc 100644
Binary files a/crates/proto/src/gen/proto_descriptor.bin.no_lfs and b/crates/proto/src/gen/proto_descriptor.bin.no_lfs differ