src/database/migrations/2016_02_10_181651_create_roles_tables.php
public function down()
    {
		Schema::table('admin_role', function ( $table ) {
			$table->dropForeign(['role_id']);
			$table->dropForeign(['admin_id']);
		});

		Schema::drop('admin_role');
		Schema::drop('permission_role');
		Schema::drop('permissions');
		Schema::drop('roles');
    }
public function down()
    {
		Schema::table('admin_role', function ( $table ) {
			$table->dropForeign(['role_id']);
			$table->dropForeign(['admin_id']);
		});

		Schema::drop('admin_role');
		Schema::drop('permission_role');
		Schema::drop('permissions');
		Schema::drop('roles');
    }
Reverse the migrations.

@return void