diff --git a/database/migrations/2025_10_02_000020_add_unique_index_payments_account_reference.php b/database/migrations/2025_10_02_000020_add_unique_index_payments_account_reference.php
deleted file mode 100644
index 4d869b1..0000000
--- a/database/migrations/2025_10_02_000020_add_unique_index_payments_account_reference.php
+++ /dev/null
@@ -1,41 +0,0 @@
-<?php
-
-use Illuminate\Database\Migrations\Migration;
-use Illuminate\Database\Schema\Blueprint;
-use Illuminate\Support\Facades\Schema;
-
-return new class extends Migration
-{
-    public function up(): void
-    {
-        Schema::table('payments', function (Blueprint $table): void {
-            if (! $this->hasUniqueIndex('payments', 'payments_account_id_reference_unique')) {
-                $table->unique(['account_id', 'reference'], 'payments_account_id_reference_unique');
-            }
-        });
-    }
-
-    public function down(): void
-    {
-        Schema::table('payments', function (Blueprint $table): void {
-            if ($this->hasUniqueIndex('payments', 'payments_account_id_reference_unique')) {
-                $table->dropUnique('payments_account_id_reference_unique');
-            }
-        });
-    }
-
-    private function hasUniqueIndex(string $table, string $indexName): bool
-    {
-        // Works for both SQLite and others by checking existing indexes from connection schema manager when available.
-        try {
-            $connection = Schema::getConnection();
-            $schemaManager = $connection->getDoctrineSchemaManager();
-            $indexes = $schemaManager->listTableIndexes($table);
-
-            return array_key_exists($indexName, $indexes);
-        } catch (\Throwable $e) {
-            // Fallback: attempt dropping/creating blindly in migration operations
-            return false;
-        }
-    }
-};