diff --git a/src/irc/core/modes.c b/src/irc/core/modes.c
index 936a7a28..84ac123a 100644
--- a/src/irc/core/modes.c
+++ b/src/irc/core/modes.c
@@ -264,7 +264,6 @@ void parse_channel_modes(IRC_CHANNEL_REC *channel, const char *setby,
 			break;
 		case 'e':
 		case 'I':
-		case 'O':
 		case 'q':
 			/* Don't set it as channel mode */
 			break;