/** * Remove column from grid * * @param Mage_Adminhtml_Block_Widget_Grid $block * @param string $columnId * @return Mage_Adminhtml_Block_Widget_Grid|bool */ protected function _removeColumnFromGrid($block, $column) { if (!$block instanceof Mage_Adminhtml_Block_Widget_Grid) { return false; } return $block->removeColumn($column); }