Dust out your bloated route file

class RouteServiceProvider extends ServiceProvider
{
    public function boot()
    {
        $this->routes(function () {
            Route::prefix('api/v1')
                ->middleware('api')
                ->namespace($this->namespace)
                ->group(base_path('routes/api.php'));
 
            Route::prefix('webhooks')
                ->namespace($this->namespace)
                ->group(base_path('routes/webhooks.php'));
 
            Route::middleware('web')
                ->namespace($this->namespace)
                ->group(base_path('routes/web.php'));
 
            if ($this->app->environment('local')) {
                Route::middleware('web')
                    ->namespace($this->namespace)
                    ->group(base_path('routes/local.php'));
            }
        });
    }
}