diff --git a/prisma/migrations/16_boards/migration.sql b/prisma/migrations/16_boards/migration.sql
index 09608c5fd..28c98c7a2 100644
--- a/prisma/migrations/16_boards/migration.sql
+++ b/prisma/migrations/16_boards/migration.sql
@@ -14,9 +14,6 @@ CREATE TABLE "board" (
     CONSTRAINT "board_pkey" PRIMARY KEY ("board_id")
 );
 
--- CreateIndex
-CREATE UNIQUE INDEX "board_board_id_key" ON "board"("board_id");
-
 -- CreateIndex
 CREATE UNIQUE INDEX "board_slug_key" ON "board"("slug");