diff --git a/.zshrc b/.zshrc
index 20c3b23..1835e67 100644
--- a/.zshrc
+++ b/.zshrc
@@ -96,7 +96,6 @@ export HISTSIZE=2000
 export LESS="-EfmrSwX"
 export LSCOLORS="gxfxcxdxbxegedabagacad"
 export PATH="$HOME/bin:$HOME/node_modules/.bin:/usr/local/sbin:/usr/sbin:/sbin:$PATH"
-export PERL_CPANM_OPT="--mirror http://cpan.nctu.edu.tw/ --mirror http://cpan.cpantesters.org/"
 export SAVEHIST=2000
 #
 setopt append_history