private function remove_invalid_paths() {
            // Remove invalid path that is still associated with the current slug if there's any.
            $file_slug_map = self::$_accounts->get_option( 'file_slug_map', array() );
            foreach ( $file_slug_map as $plugin_basename => $slug ) {
                if ( $slug === $this->_slug &&
                     $plugin_basename !== $this->_plugin_basename &&
                     ! file_exists( $this->get_absolute_path( $plugin_basename ) )
                ) {
                    unset( $file_slug_map[ $plugin_basename ] );
                    self::$_accounts->set_option( 'file_slug_map', $file_slug_map, true );

                    break;
                }
            }
        }