What are the three dots in current line?

[renhiyama]

What is this three dots button and how can I get rid of it? I tried unticking all the options in kitchen sink but it is still there :(

[nightwing]

It is actions menu for mobile devices, easiest way to hide it is to use css

.ace_mobile-menu {
    display: none;
}

[renhiyama]

Thanks!