remove images from content

remove-images.php

function sfn_remove_the_images( $content = null ){
	global $post;

	if( $post->post_type == 'post' && !empty( $post->post_content )  ){

		$content = $post->post_content;

		$content = preg_replace('/<img[^>]+./','', $content);

	}

	return $content;

}
add_filter( 'the_content', 'sfn_remove_the_images' );