diff --git a/home/bashrc b/home/bashrc
index e3c7cef..06c2e9f 100644
--- a/home/bashrc
+++ b/home/bashrc
@@ -1,14 +1,5 @@
 [ -z "$PS1" ] && return
 
-# trace: (on ubuntu)
-# /etc/bash.bashrc
-#=> /etc/debian_chroot
-#=> /.sudo_as_admin_successful
-#=> /.hushlogin
-#=> /usr/lib/command-not-found
-#=> /usr/share/command-not-found/command-not-found
-# ~/.bashrc
-
 if [ "$TERM" = rxvt-unicode-256color ]; then
     export TERM=xterm-256color
 fi
diff --git a/home/zshrc b/home/zshrc
index 3377975..bfa3964 100644
--- a/home/zshrc
+++ b/home/zshrc
@@ -1,10 +1,5 @@
 [ -e /etc/profile ] && emulate sh -c "source /etc/profile"
 
-# trace:
-# /etc/zsh/zshenv{.zwc,}
-# ~/.zshenv{.zwc,}
-# /etc/zsh/zshrc{.zwc,}
-
 HISTFILE=~/.histfile
 HISTSIZE=99999
 SAVEHIST=99999