[Json API] Remove ad code from get_post

How can I remove ad code from json api get_post api call.
<!– Google Adsense Ads Manager plugin by Crunchify.com – Middle post Ad START –><div style=\”text-align:left;\”><p><script async src=\”\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\”><\/script>\r\n<!– –>\r\n<ins class=\”adsbygoogle\”\r\n style=\”display:inline-block;width:300px;height:250px\”\r\n data-ad-client=\”ca-pub-id\”\r\n data-ad-slot=\”\”data-language=\”en\”><\/ins>\r\n<script>\r\n(adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><\/p><\/div><!– Google Adsense Ads Manager plugin by Crunchify.com – Middle post Ad END –>\n