diff --git a/bot.py b/bot.py
index 524dd78..0d45f4b 100644
--- a/bot.py
+++ b/bot.py
@@ -7,7 +7,7 @@ import discord
 
 STATE_FILE = 'state.json'
 CHANNEL_NAME = 'therapy-elevator'
-DELETION_SECONDS = 300
+DELETION_SECONDS = 15
 TYPING_DELAY = 2
 
 SETUP_MESSAGE = 'Welcome to Nemuro Memorial Hall. Please give your name and class year for our records.'