diff --git a/DiscordDelete/Program.cs b/DiscordDelete/Program.cs
index 465471e..44440b6 100644
--- a/DiscordDelete/Program.cs
+++ b/DiscordDelete/Program.cs
@@ -20,7 +20,7 @@ int finalCode = await CommandLine
     .MapResult(
         async (DeleteOptions opt) =>
         {
-            foreach (Message message in db.Messages)
+            foreach (Message message in db.Messages.Where(message => message.LastHttpCode != 204))
             {
                 // If required data is null, continue to next message.
                 if (message.MessageId is null || message.ChannelId is null)