+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Support\Facades\DB;
+
+return new class extends Migration
+{
+ /**
+ * Run the migrations.
+ *
+ * @return void
+ */
+ public function up()
+ {
+ DB::table('entity_permissions')
+ ->where('entity_type', '=', 'bookshelf')
+ ->update(['create' => 0]);
+ }
+
+ /**
+ * Reverse the migrations.
+ *
+ * @return void
+ */
+ public function down()
+ {
+ // No structural changes to make, and we cannot know the permissions to re-assign.
+ }
+};