diff --git a/prisma/migrations/20240513234910_evaluation_fields_optional/migration.sql b/prisma/migrations/20240513234910_evaluation_fields_optional/migration.sql
new file mode 100644
index 00000000..57577de1
--- /dev/null
+++ b/prisma/migrations/20240513234910_evaluation_fields_optional/migration.sql
@@ -0,0 +1,9 @@
+-- Remove columns
+ALTER TABLE "Evaluation" DROP COLUMN "model",
+  DROP COLUMN "prompt",
+  DROP COLUMN "spanStartTime";
+-- Alter columns to be nullable
+ALTER TABLE "Evaluation"
+ALTER COLUMN "ltUserId" DROP NOT NULL,
+  ALTER COLUMN "ltUserScore" DROP NOT NULL,
+  ALTER COLUMN "testId" DROP NOT NULL;
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