Title: Remove jQuery Migrate cause error Last modified: March 17, 2018 --- # Remove jQuery Migrate cause error * Resolved [alexlii](https://wordpress.org/support/users/alexlii/) * (@alexlii) * [8 years, 2 months ago](https://wordpress.org/support/topic/remove-jquery-migrate-cause-error/) * Hello, * Just let you know it will show error at frontend if turn on “Remove jQuery Migrate cause error” * [http://prntscr.com/iskw84](http://prntscr.com/iskw84) * and error at frontend: [http://prntscr.com/iskxsw](http://prntscr.com/iskxsw) * Alex Viewing 11 replies - 1 through 11 (of 11 total) * [webcraftic](https://wordpress.org/support/users/webcraftic/) * (@webcraftic) * [8 years, 2 months ago](https://wordpress.org/support/topic/remove-jquery-migrate-cause-error/#post-10086136) * Hi, This option can cause errors, it is marked as dangerous. Please read the description of the option! * You should not use it if you see errors! * Best regards, Alex K. - This reply was modified 8 years, 2 months ago by [webcraftic](https://wordpress.org/support/users/webcraftic/). * Thread Starter [alexlii](https://wordpress.org/support/users/alexlii/) * (@alexlii) * [8 years, 2 months ago](https://wordpress.org/support/topic/remove-jquery-migrate-cause-error/#post-10086935) * Thanks. * Once it is activated, it seems very easy caused /wp-admin/admin-ajax.php does not work like this screen shot. [http://prntscr.com/isrhti](http://prntscr.com/isrhti) * Not everytime, bu quite often, I report to you this issue before, but I am really not sure since it is not reproduced every time, would you please have a check? * Thanks. * Alex * Thread Starter [alexlii](https://wordpress.org/support/users/alexlii/) * (@alexlii) * [8 years, 2 months ago](https://wordpress.org/support/topic/remove-jquery-migrate-cause-error/#post-10102035) * as to wp-admin/admin-ajax.php, it is caused by another plugin of heartbeat, the setting will be valid even it is deactivated. * Alex * [webcraftic](https://wordpress.org/support/users/webcraftic/) * (@webcraftic) * [8 years, 2 months ago](https://wordpress.org/support/topic/remove-jquery-migrate-cause-error/#post-10103109) * Hi Alex, * Can I display an error message if you have additional functionality? What do you think about it? * Best regards, Alex K. * Thread Starter [alexlii](https://wordpress.org/support/users/alexlii/) * (@alexlii) * [8 years, 2 months ago](https://wordpress.org/support/topic/remove-jquery-migrate-cause-error/#post-10103180) * Hello, * Not really catch wha what you mean, would you please clear by eaxample? * Alex * Thread Starter [alexlii](https://wordpress.org/support/users/alexlii/) * (@alexlii) * [8 years, 2 months ago](https://wordpress.org/support/topic/remove-jquery-migrate-cause-error/#post-10104329) * do you mean some error message or notification will show up in Clearfy if some function does not work properly? * If yes, that would be great, and also it would be much value added if there is a button to fix or reset back the wordpress default setting. * are you planning to add this function in next version of Clearfy? * Alex - This reply was modified 8 years, 2 months ago by [alexlii](https://wordpress.org/support/users/alexlii/). * [webcraftic](https://wordpress.org/support/users/webcraftic/) * (@webcraftic) * [8 years, 2 months ago](https://wordpress.org/support/topic/remove-jquery-migrate-cause-error/#post-10113537) * Hi [@alexlii](https://wordpress.org/support/users/alexlii/), * When a plugin is installed with which a conflict may occur, it should to display a message stating that you should not use them at the same time. * **do you mean some error message or notification will show up in Clearfy if some function does not work properly?** Unfortunately, this can not be realized, we can not know whether the function works or not. * **If yes, that would be great, and also it would be much value added if there is a button to fix or reset back the wordpress default setting.** When can you use it? * Thread Starter [alexlii](https://wordpress.org/support/users/alexlii/) * (@alexlii) * [8 years, 2 months ago](https://wordpress.org/support/topic/remove-jquery-migrate-cause-error/#post-10113935) * > When a plugin is installed with which a conflict may occur, it should to display > a message stating that you should not use them at the same time. * That is great!!! * > Unfortunately, this can not be realized, we can not know whether the function > works or not. * The reason why I ask this question is that I was inspired by this plugin: * [https://wordpress.org/plugins/wp-error-fix/](https://wordpress.org/plugins/wp-error-fix/) and also please check the plugin:[https://wordpress.org/plugins/defender-security/](https://wordpress.org/plugins/defender-security/) [http://prntscr.com/iwcpg1](http://prntscr.com/iwcpg1) * and let me know what you think. * Alex - This reply was modified 8 years, 2 months ago by [alexlii](https://wordpress.org/support/users/alexlii/). * Thread Starter [alexlii](https://wordpress.org/support/users/alexlii/) * (@alexlii) * [8 years, 2 months ago](https://wordpress.org/support/topic/remove-jquery-migrate-cause-error/#post-10114219) * We usually test a lots of plugins, but some of them will leave the settings in database even they are deleted. * But we forgot what did, and it is really difficult to check the reason why WordPress does not work properly. * I found, Usually, those plugins cause sensitive file does not work, like, Jquery. js, mediaelements.js… * I just think it would be great if there is healthy checker model, and repair or fix potential issue. * Alex * [webcraftic](https://wordpress.org/support/users/webcraftic/) * (@webcraftic) * [8 years, 2 months ago](https://wordpress.org/support/topic/remove-jquery-migrate-cause-error/#post-10123648) * Hi Alex, * Thanks for the interesting plugins! Yes, I understand your pain about finding bugs, but it requires a lot of work. If we had many programmers to implement these tasks, but unfortunately I’m working single and I need to release important and useful functions for basic optimization. * Best regards, Alex * Thread Starter [alexlii](https://wordpress.org/support/users/alexlii/) * (@alexlii) * [8 years, 2 months ago](https://wordpress.org/support/topic/remove-jquery-migrate-cause-error/#post-10123984) * I understand, maybe that is just what I thought quite ideal:) * donation sent, please have a check. * Alex Viewing 11 replies - 1 through 11 (of 11 total) The topic ‘Remove jQuery Migrate cause error’ is closed to new replies. * ![](https://ps.w.org/clearfy/assets/icon-256x256.gif?rev=2392119) * [Clearfy Cache – WordPress optimization plugin, Minify HTML, CSS & JS, Defer](https://wordpress.org/plugins/clearfy/) * [Frequently Asked Questions](https://wordpress.org/plugins/clearfy/#faq) * [Support Threads](https://wordpress.org/support/plugin/clearfy/) * [Active Topics](https://wordpress.org/support/plugin/clearfy/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/clearfy/unresolved/) * [Reviews](https://wordpress.org/support/plugin/clearfy/reviews/) * 11 replies * 2 participants * Last reply from: [alexlii](https://wordpress.org/support/users/alexlii/) * Last activity: [8 years, 2 months ago](https://wordpress.org/support/topic/remove-jquery-migrate-cause-error/#post-10123984) * Status: resolved