database/migrations/2018_04_09_17054701_add_ui_settings_to_ltm_user_locales.php
public function down()
    {
        $prefix = \Config::get('laravel-translation-manager::config.table_prefix', '');
        Schema::table($prefix . 'ltm_user_locales', function (Blueprint $table) use ($prefix) {
            $table->dropColumn('ui_settings');

            $table->dropUnique('ixk_user_id_users_id');
            $table->index(['user_id'], 'ix_ltm_user_locales_user_id');
        });
    }
public function down()
    {
        $prefix = \Config::get('laravel-translation-manager::config.table_prefix', '');
        Schema::table($prefix . 'ltm_user_locales', function (Blueprint $table) use ($prefix) {
            $table->dropColumn('ui_settings');

            $table->dropUnique('ixk_user_id_users_id');
            $table->index(['user_id'], 'ix_ltm_user_locales_user_id');
        });
    }
Reverse the migrations.

@return void