diff --git a/server/prisma/migrations/20260520125347_drop_duplicate_payment_index/migration.sql b/server/prisma/migrations/20260520125347_drop_duplicate_payment_index/migration.sql
new file mode 100644
index 0000000..84f0f45
--- /dev/null
+++ b/server/prisma/migrations/20260520125347_drop_duplicate_payment_index/migration.sql
@@ -0,0 +1,2 @@
+-- DropIndex
+DROP INDEX "Payment_yookassaPaymentId_idx";
diff --git a/server/prisma/schema.prisma b/server/prisma/schema.prisma
index 83e0e96..60d79a7 100644
--- a/server/prisma/schema.prisma
+++ b/server/prisma/schema.prisma
@@ -174,7 +174,6 @@ model Payment {
   updatedAt         DateTime  @updatedAt
 
   @@index([orderId])
-  @@index([yookassaPaymentId])
 }
 
 model OrderItem {