#wplink-link-existing-content,
#wplink-wrap {
    display: none;
}
.wp-core-ui {
    height: 300px;
}
.wplink-autocomplete.ui-autocomplete {
    display: none;
    visibility: hidden;
}

/* Hide authentication field */
.fieldset-login_required {
    display: none;
}

/* Hide X | Twitter field */
.fieldset-company_twitter {
    display: none;
}