diff --git a/client/discord/discord.go b/client/discord/discord.go
index d1dbbf4..7cdc5e9 100644
--- a/client/discord/discord.go
+++ b/client/discord/discord.go
@@ -196,6 +196,22 @@ func updateForum(conf *domain.Config, s *discordgo.Session) ([]discordgo.ForumTa
 }
 
 func commandRegistration(s *discordgo.Session, commands []discordgo.ApplicationCommand) []*discordgo.ApplicationCommand {
+	oldCommands, err := s.ApplicationCommands(s.State.User.ID, s.State.Application.GuildID)
+	if err != nil {
+		log.Panicf("Cannot get old commands: %v", err)
+	}
+
+	var removedCommands []string
+	for _, cmd := range oldCommands {
+		err := s.ApplicationCommandDelete(s.State.User.ID, s.State.Application.GuildID, cmd.ID)
+		if err != nil {
+			log.Printf("commands removed: %v", removedCommands)
+			log.Panicf("removing old comands failed with %s command, err: %v", cmd.Name, err)
+		}
+		removedCommands = append(removedCommands, cmd.Name)
+	}
+	log.Printf("commands removed: %v", removedCommands)
+
 	log.Println("Adding commands...")
 	var cmds []*discordgo.ApplicationCommand
 	for _, cmd := range commands {