diff --git a/.bash_aliases b/.bash_aliases
index ca03c2d..6e0d58d 100644
--- a/.bash_aliases
+++ b/.bash_aliases
@@ -339,8 +339,3 @@ else
   source <(navi widget zsh)
 fi
 
-# Zephyr
-[ -f $HOME/mulot/firmware/zephyr/zephyr-env.sh ] && source $HOME/mulot/firmware/zephyr/zephyr-env.sh
-
-# West
-export WEST_DIR=$HOME/mulot/firmware/.west/west