diff --git a/src/doc/uptack.tex b/src/doc/uptack.tex
deleted file mode 100644
index 32158ea549627..0000000000000
--- a/src/doc/uptack.tex
+++ /dev/null
@@ -1,2 +0,0 @@
-\usepackage{newunicodechar}
-\newunicodechar⊥{{$\bot$}}