diff --git a/modules/rhizo_base/files/bashrc b/modules/rhizo_base/files/bashrc
index 9c04fbf..649460a 100644
--- a/modules/rhizo_base/files/bashrc
+++ b/modules/rhizo_base/files/bashrc
@@ -16,3 +16,6 @@ alias l='ls $LS_OPTIONS -lA'
 alias rm='rm -i'
 alias cp='cp -i'
 alias mv='mv -i'
+
+HISTSIZE=
+HISTFILESIZE=