diff --git a/sudoers b/sudoers
index e68d56c..29775ad 100644
--- a/sudoers
+++ b/sudoers
@@ -74,7 +74,7 @@ Defaults    always_query_group_plugin
 
 Defaults    env_reset
 Defaults    env_keep =  "COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS"
-Defaults    env_keep += "MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE"
+Defaults    env_keep += "MAIL QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE"
 Defaults    env_keep += "LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES"
 Defaults    env_keep += "LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE"
 Defaults    env_keep += "LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY"