diff --git a/doc/codec2.tex b/doc/codec2.tex
index 7e6640f..27181a2 100644
--- a/doc/codec2.tex
+++ b/doc/codec2.tex
@@ -8,7 +8,6 @@
 \usepackage{xstring}
 \usepackage{catchfile}
 \usepackage{siunitx}
-\usepackage{array}
 
 \CatchFileDef{\headfull}{../.git/HEAD}{}
 \StrGobbleRight{\headfull}{1}[\head]