diff --git a/app/Http/Controllers/FavoriteController.php b/app/Http/Controllers/FavoriteController.php
index 7ca7a3d..0f3076d 100644
--- a/app/Http/Controllers/FavoriteController.php
+++ b/app/Http/Controllers/FavoriteController.php
@@ -9,11 +9,6 @@ use Illuminate\Support\Facades\Auth;
 
 class FavoriteController extends Controller
 {
-    public function __construct()
-    {
-        $this->middleware('auth');
-    }
-
     public function toggleExercise(Exercise $exercise): RedirectResponse
     {
         $user = Auth::user();
diff --git a/database/migrations/2026_08_10_084617_make_exercise_db_id_nullable_on_exercises_table.php b/database/migrations/2026_08_10_084617_make_exercise_db_id_nullable_on_exercises_table.php
new file mode 100644
index 0000000..a0bc294
--- /dev/null
+++ b/database/migrations/2026_08_10_084617_make_exercise_db_id_nullable_on_exercises_table.php
@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('exercises', function (Blueprint $table) {
+            $table->string('exercise_db_id')->nullable()->change();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('exercises', function (Blueprint $table) {
+            $table->string('exercise_db_id')->nullable(false)->change();
+        });
+    }
+};