diff --git a/zprofile b/zprofile
index d39b62a..1d92b29 100644
--- a/zprofile
+++ b/zprofile
@@ -10,4 +10,8 @@ if [ "$XDG_SESSION_TYPE" = "wayland" ]; then
 	export GDK_BACKEND=wayland
 fi
 
+# make AUR packages not compress, since they immediately get
+# decompressed anyway
+export PKGEXT=pkg.tar
+
 export TENDS_TO=42
diff --git a/zshrc b/zshrc
index 8dac141..74be33d 100644
--- a/zshrc
+++ b/zshrc
@@ -1,5 +1,4 @@
 # PATH changes are in .zshenv
-alias sudo='sudo --preserve-env=PATH env '
 alias lntexheader='ln -s ~/coursenotes/nsdheader.sty $(pwd)'
 
 # Path to your oh-my-zsh installation.