diff --git a/lectures/lecturecommon.sty b/lectures/lecturecommon.sty
index 8655ca1..3af8779 100644
--- a/lectures/lecturecommon.sty
+++ b/lectures/lecturecommon.sty
@@ -1,4 +1,4 @@
-\def\filedate{31 May 2019}
+\def\filedate{13 June 2019}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %
 % Common definitions shared across the various lecture document classes.
@@ -18,11 +18,12 @@
 % v1.2.4 Fixed "class number plus one" so that it can be passed as a number to other macros.
 % v1.2.5 Disabled Mapping=tex-text for mono font to eliminate automatic curly quotes.
 % v1.2.6 Enabled unicode option for hyperref when using Xe(La)TeX.
+% v1.2.7 Reverted unicode option for hyperref due to option clash error.
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 \NeedsTeXFormat{LaTeX2e}[2001/06/01]
-\ProvidesPackage{lecturecommon}[2019/05/31 INFO standard lecture setup v1.2.6]
+\ProvidesPackage{lecturecommon}[2019/06/13 INFO standard lecture setup v1.2.7]
 
 
 % Standard packages common to ALL lecture documents.
@@ -80,12 +81,7 @@
 
 \RequirePackage{boxedminipage}
 \RequirePackage{graphicx}
-
-\ifxetex
-\RequirePackage[unicode]{hyperref}
-\else
 \RequirePackage{hyperref}
-\fi
 
 \hypersetup{pdfpagemode=UseNone}