diff --git a/profile b/profile
index bac5ec1..799d903 100644
--- a/profile
+++ b/profile
@@ -1,3 +1,7 @@
+# unset variable if exists
+unset ANTOS_USER
+unset ANTOS_PASSWORD
+
 # set PATH so it includes user's private bin if it exists
 if [ -d "$HOME/bin" ] ; then
     export PATH="$HOME/bin:$PATH"