diff --git a/disco/bot/bot.py b/disco/bot/bot.py
index 3c868b2..43fa073 100644
--- a/disco/bot/bot.py
+++ b/disco/bot/bot.py
@@ -351,7 +351,7 @@ class Bot(LoggingClass):
         # should be easy to avoid. An example of the unexpected results
         # that may occur would be if one prefix was `!` and one was `!a`.
         for prefix in prefixes:
-            if prefix and content.startswith(prefix) and not require_mention:  # don't cut off commands with mentions.
+            if prefix and content.startswith(prefix):
                 content = content[len(prefix):]
                 break
         else: