How to remove "Toggle theme" from tinyMCE HTML editorIssue Starting with Utah, the toolbar include a new button "Toggle theme" ReleaseUtah and higherCauseThis is a new option.ResolutionCreate the below system property Name : glide.ui.html.editor.v5.toolbar.no_theme_toggle Type : True/False Value : true ORAdd the following dictionary attribute on the html field: "editor.no_theme=true"