diff --git a/database/migrations/2025_11_18_080804_echoes_audibles_unique_keys.php b/database/migrations/2025_11_18_080804_echoes_audibles_unique_keys.php
new file mode 100644
index 000000000..b6d38091a
--- /dev/null
+++ b/database/migrations/2025_11_18_080804_echoes_audibles_unique_keys.php
@@ -0,0 +1,90 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * NOTICE OF LICENSE.
+ *
+ * UNIT3D Community Edition is open-sourced software licensed under the GNU Affero General Public License v3.0
+ * The details is bundled with this project in the file LICENSE.txt.
+ *
+ * @project    UNIT3D Community Edition
+ *
+ * @author     Roardom <roardom@protonmail.com>
+ * @license    https://www.gnu.org/licenses/agpl-3.0.en.html/ GNU Affero General Public License v3.0
+ */
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+return new class () extends Migration {
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        // Remove existing echo duplicates
+        DB::table('user_echoes as e1')
+            ->join('user_echoes as e2', function ($join): void {
+                $join->on('e1.id', '<', 'e2.id')
+                    ->whereColumn('e1.user_id', '=', 'e2.user_id')
+                    ->whereColumn('e1.room_id', '=', 'e2.room_id');
+            })
+            ->delete();
+
+        DB::table('user_echoes as e1')
+            ->join('user_echoes as e2', function ($join): void {
+                $join->on('e1.id', '<', 'e2.id')
+                    ->whereColumn('e1.user_id', '=', 'e2.user_id')
+                    ->whereColumn('e1.target_id', '=', 'e2.target_id');
+            })
+            ->delete();
+
+        DB::table('user_echoes as e1')
+            ->join('user_echoes as e2', function ($join): void {
+                $join->on('e1.id', '<', 'e2.id')
+                    ->whereColumn('e1.user_id', '=', 'e2.user_id')
+                    ->whereColumn('e1.bot_id', '=', 'e2.bot_id');
+            })
+            ->delete();
+
+        Schema::table('user_echoes', function (Blueprint $table): void {
+            $table->unique(['user_id', 'room_id']);
+            $table->unique(['user_id', 'target_id']);
+            $table->unique(['user_id', 'bot_id']);
+        });
+
+        // Remove existing audible duplicates
+        DB::table('user_audibles as a1')
+            ->join('user_audibles as a2', function ($join): void {
+                $join->on('a1.id', '<', 'a2.id')
+                    ->whereColumn('a1.user_id', '=', 'a2.user_id')
+                    ->whereColumn('a1.room_id', '=', 'a2.room_id');
+            })
+            ->delete();
+
+        DB::table('user_audibles as a1')
+            ->join('user_audibles as a2', function ($join): void {
+                $join->on('a1.id', '<', 'a2.id')
+                    ->whereColumn('a1.user_id', '=', 'a2.user_id')
+                    ->whereColumn('a1.target_id', '=', 'a2.target_id');
+            })
+            ->delete();
+
+        DB::table('user_audibles as a1')
+            ->join('user_audibles as a2', function ($join): void {
+                $join->on('a1.id', '<', 'a2.id')
+                    ->whereColumn('a1.user_id', '=', 'a2.user_id')
+                    ->whereColumn('a1.bot_id', '=', 'a2.bot_id');
+            })
+            ->delete();
+
+        Schema::table('user_audibles', function (Blueprint $table): void {
+            $table->unique(['user_id', 'room_id']);
+            $table->unique(['user_id', 'target_id']);
+            $table->unique(['user_id', 'bot_id']);
+        });
+    }
+};
diff --git a/database/schema/mysql-schema.sql b/database/schema/mysql-schema.sql
index 33749102d..4652be008 100644
--- a/database/schema/mysql-schema.sql
+++ b/database/schema/mysql-schema.sql
@@ -2259,10 +2259,12 @@ CREATE TABLE `user_audibles` (
   `created_at` timestamp NULL DEFAULT NULL,
   `updated_at` timestamp NULL DEFAULT NULL,
   PRIMARY KEY (`id`),
+  UNIQUE KEY `user_audibles_user_id_room_id_unique` (`user_id`,`room_id`),
+  UNIQUE KEY `user_audibles_user_id_target_id_unique` (`user_id`,`target_id`),
+  UNIQUE KEY `user_audibles_user_id_bot_id_unique` (`user_id`,`bot_id`),
   KEY `user_audibles_room_id_index` (`room_id`),
   KEY `user_audibles_bot_id_index` (`bot_id`),
   KEY `user_audibles_status_index` (`status`),
-  KEY `user_audibles_user_id_foreign` (`user_id`),
   KEY `user_audibles_target_id_foreign` (`target_id`),
   CONSTRAINT `user_audibles_target_id_foreign` FOREIGN KEY (`target_id`) REFERENCES `users` (`id`) ON UPDATE CASCADE,
   CONSTRAINT `user_audibles_user_id_foreign` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON UPDATE CASCADE
@@ -2280,9 +2282,11 @@ CREATE TABLE `user_echoes` (
   `created_at` timestamp NULL DEFAULT NULL,
   `updated_at` timestamp NULL DEFAULT NULL,
   PRIMARY KEY (`id`),
+  UNIQUE KEY `user_echoes_user_id_room_id_unique` (`user_id`,`room_id`),
+  UNIQUE KEY `user_echoes_user_id_target_id_unique` (`user_id`,`target_id`),
+  UNIQUE KEY `user_echoes_user_id_bot_id_unique` (`user_id`,`bot_id`),
   KEY `user_echoes_room_id_index` (`room_id`),
   KEY `user_echoes_bot_id_index` (`bot_id`),
-  KEY `user_echoes_user_id_foreign` (`user_id`),
   KEY `user_echoes_target_id_foreign` (`target_id`),
   CONSTRAINT `user_echoes_target_id_foreign` FOREIGN KEY (`target_id`) REFERENCES `users` (`id`) ON UPDATE CASCADE,
   CONSTRAINT `user_echoes_user_id_foreign` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON UPDATE CASCADE
@@ -3042,3 +3046,4 @@ INSERT INTO `migrations` (`id`, `migration`, `batch`) VALUES (363,'2025_09_07_23
 INSERT INTO `migrations` (`id`, `migration`, `batch`) VALUES (364,'2025_09_08_000029_make_audits_morphable',1);
 INSERT INTO `migrations` (`id`, `migration`, `batch`) VALUES (365,'2025_09_25_110038_alter_reports_create_assignee',1);
 INSERT INTO `migrations` (`id`, `migration`, `batch`) VALUES (366,'2025_11_08_094209_rename_warnings_torrent_to_torrent_id',1);
+INSERT INTO `migrations` (`id`, `migration`, `batch`) VALUES (367,'2025_11_18_080804_echoes_audibles_unique_keys',1);