diff --git a/thesis/preamble/newcommands.tex b/thesis/preamble/newcommands.tex
index 85c53cf..e69de29 100644
--- a/thesis/preamble/newcommands.tex
+++ b/thesis/preamble/newcommands.tex
@@ -1,6 +0,0 @@
-% some common commands
-\newcommand{\drops}{\texorpdfstring{\textsc{Drops}\xspace}{DROPS}}
-\newcommand{\LLinux}{\texorpdfstring{L$\!^4$Linux}{L4Linux}}
-
-\newcommand{\NOVA}{NOVA\xspace}
-\newcommand{\QEMU}{QEMU\xspace}