diff --git a/config/latex/christex.sty b/config/latex/christex.sty
index 23f322a5..a4fc9025 100644
--- a/config/latex/christex.sty
+++ b/config/latex/christex.sty
@@ -149,9 +149,6 @@
 % Einschränkung auf eine Menge
 \newcommand{\evalto}[1]{\bigr\rvert_{#1}}
 
-% Tags single Equation in align*
-\newcommand{\markthis}{\tag{\#}}
-
 % Partieller Differentialoperator
 \newcommand{\pdiffop}[2]{\dfrac{\partial#1}{\partial#2}}