diff --git a/xonsh/prompt.xsh b/xonsh/prompt.xsh
index c91b688..ec75366 100644
--- a/xonsh/prompt.xsh
+++ b/xonsh/prompt.xsh
@@ -26,6 +26,6 @@ else:
 # register_custom_style("ttm-style", ttm_style)
 $XONSH_COLOR_STYLE = "native"
 $MULTILINE_PROMPT = " "
-$UPDATE_PROMPT_ON_KEYPRESS = True
-$PROMPT_REFRESH_INTERVAL = 0.25
+# $UPDATE_PROMPT_ON_KEYPRESS = True
+# $PROMPT_REFRESH_INTERVAL = 0.25
 # $VI_MODE=True