From 267b7bcaf446985768ee9440383cd12c4b4fcca1 Mon Sep 17 00:00:00 2001
From: RogueException <rogueexception@gmail.com>
Date: Fri, 11 Dec 2015 21:32:44 -0400
Subject: [PATCH] Fixed errors during unload with a disabled message cache

---
 src/Discord.Net/Models/Channel.cs | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/src/Discord.Net/Models/Channel.cs b/src/Discord.Net/Models/Channel.cs
index 179e8d300..02ca9d7c1 100644
--- a/src/Discord.Net/Models/Channel.cs
+++ b/src/Discord.Net/Models/Channel.cs
@@ -158,10 +158,13 @@ namespace Discord
 			_recipient.Unload();
 			
 			var globalMessages = _client.Messages;
-			var messages = _messages;
-			foreach (var message in messages)
-				globalMessages.TryRemove(message.Key);
-			_messages.Clear();
+            if (_client.Config.MessageCacheSize > 0)
+            {
+                var messages = _messages;
+                foreach (var message in messages)
+                    globalMessages.TryRemove(message.Key);
+                messages.Clear();
+            }
         }
 
 		internal void Update(ChannelReference model)
@@ -205,7 +208,11 @@ namespace Discord
 				_messages.TryAdd(message.Id, message);
 			}
 		}
-		internal void RemoveMessage(Message message) => _messages.TryRemove(message.Id, out message);
+        internal void RemoveMessage(Message message)
+        {
+            if (_client.Config.MessageCacheSize > 0)
+                _messages.TryRemove(message.Id, out message);
+        }
 		
 		internal void AddMember(User user)
         {