diff --git a/zshrc b/zshrc
index c58d865..9d5e010 100644
--- a/zshrc
+++ b/zshrc
@@ -63,8 +63,10 @@ bindkey -M vicmd '^V' edit-command-line
 # Disable tty flow control, allows vim to use '<Ctrl>S'
 stty -ixon
 
-# Remove duplicates from PATH
+# Remove duplicates from environment variables
 typeset -U PATH
+typeset -U MANPATH
+typeset -U INFOPATH
 
 # Aliases
 alias grep='grep --color=always'