diff --git a/templates/article/template.tex b/templates/article/template.tex
index 4bbf0d7..83d3395 100644
--- a/templates/article/template.tex
+++ b/templates/article/template.tex
@@ -304,7 +304,6 @@
 \DeclareMathOperator{\expc}{\mathbb{E}}
 \DeclareMathOperator{\var}{Var}
 \DeclareMathOperator{\cov}{Cov}
-\DeclareMathOperator{\expc}{\mathbb{E}}
 \renewcommand{\Pr}{\mathbb{P}}
 \newcommand{\lb}{\underline}
 \newcommand{\ub}{\overline}