CKEDITOR.on( 'dialogDefinition', function( ev )
{
var dialogName = ev.data.name;
var dialogDefinition = ev.data.definition;
if ( dialogName == 'link' )
{
var infoTab = dialogDefinition.getContents( 'info' );
infoTab.remove( 'linkType' );
infoTab.remove( 'protocol' );
}
});
https://google.com

You can try to use this strip
You can try:
var infoTab = dialogDefinition.getContents( 'info' ); var linkUrlField = infoTab.get('url'); delete linkUrlField['onKeyUp']; // https://github.com/ckeditor/ckeditor-dev/blob/master/plugins/link/dialogs/link.js#L396-411 linkUrlField[\'setup\']=function( data ) { //Rewrite setup function this.allowOnChange = false; if ( data.url ) this.setValue((typeof data.url.protocol == "string" ? data.url.protocol:"")+data.url.url ); this.allowOnChange = true; }; infoTab.remove( 'linkType' ); infoTab.remove( 'protocol' );