how to remove unwanted search engines from google chrome ?

many search engines like conduit,vuze,inbox etc keep on adding when we install some softwares.These search engines may attract virus or may change . THANKS FOR WATCHING :) SINCERE REQUEST : DO LIKE : DO SUBSCRIBE (If found useful) : DO SHARE FOLLOW ME ON MY BLOG http://www.sharedelete.com/ FACEBOOK - https://www.facebook.com/sharedelete/ TWITTER - https://twitter.com/Sharedelete GOOGLE PLUS --https://plus.google.com/113908823687960005329/posts YOUTUBE - https://www.youtube.com/c/mohamedazeemulla