diff --git a/front/lib/models/assistant/actions/retrieval.ts b/front/lib/models/assistant/actions/retrieval.ts
index 53b607d8f880..345acffbe17c 100644
--- a/front/lib/models/assistant/actions/retrieval.ts
+++ b/front/lib/models/assistant/actions/retrieval.ts
@@ -352,11 +352,6 @@ RetrievalDocument.init(
       type: DataTypes.STRING,
       allowNull: false,
     },
-    // @ts-expect-error deprecated
-    timestamp: {
-      type: DataTypes.BIGINT,
-      allowNull: true,
-    },
     documentTimestamp: {
       type: DataTypes.DATE,
       allowNull: false,
diff --git a/front/migrations/20230929_drop_column_timestamp_retrieval_docs.sql b/front/migrations/20230929_drop_column_timestamp_retrieval_docs.sql
new file mode 100644
index 000000000000..90e5a844844b
--- /dev/null
+++ b/front/migrations/20230929_drop_column_timestamp_retrieval_docs.sql
@@ -0,0 +1,2 @@
+ALTER TABLE
+    retrieval_documents DROP COLUMN IF EXISTS "timestamp";
\ No newline at end of file