diff --git a/roles/home-cli/files/shrc b/roles/home-cli/files/shrc
index e116553..aa32c53 100644
--- a/roles/home-cli/files/shrc
+++ b/roles/home-cli/files/shrc
@@ -77,6 +77,9 @@ umask 0022
 
 # Other exports.
 export PS1="${PS1:-\$ }"
+export HISTFILE=""
+export HISTFILESIZE=0
+export HISTSIZE=0
 export TIME_STYLE=long-iso  # Used by GNU 'ls'.
 
 if [ "$(uname -s)" = Darwin ]