diff --git a/src/builders.ts b/src/builders.ts
index 49343cd..41cc9d7 100644
--- a/src/builders.ts
+++ b/src/builders.ts
@@ -98,21 +98,6 @@ class CommandHandlerMixin<T extends Discord.CommandInteraction> {
 	}
 }
 
-/**
- * Discord.js builders are not designed to be grouped together in a collection.
- * This union represents any possible end value for an individual command's
- * builder.
- */
-export type SlashCommandBuilderReturn =
-	| SlashCommandBuilder
-	| Omit<SlashCommandBuilder, 'addSubcommand' | 'addSubcommandGroup'>
-	| SlashCommandSubcommandsOnlyBuilder;
-
-type SlashCommandSubcommandsOnlyBuilder = Omit<SlashCommandBuilder,
-	| Exclude<keyof Discord.SharedSlashCommandOptions, 'options'>
-	| keyof MoreOptionsMixin
->;
-
 // NOTE: it's important that Discord's built-ins are the last Mixin in the list!
 // Otherwise, we run the risk of stepping on field initialization.
 
diff --git a/src/registry.ts b/src/registry.ts
index 5437018..60bcb6c 100644
--- a/src/registry.ts
+++ b/src/registry.ts
@@ -11,15 +11,15 @@ import {
 	BaseInteraction,
 	ChatInputCommandInteraction,
 	CommandInteraction,
+	ContextMenuCommandBuilder as DiscordContextMenuCommandBuilder,
 	ContextMenuCommandInteraction,
 	DiscordAPIError,
-	ContextMenuCommandBuilder as DiscordContextMenuCommandBuilder,
-	SlashCommandBuilder as DiscordSlashCommandBuilder,
 	REST,
+	RESTPostAPIChatInputApplicationCommandsJSONBody,
+	RESTPostAPIContextMenuApplicationCommandsJSONBody,
 	Routes,
+	SlashCommandBuilder as DiscordSlashCommandBuilder,
 	Snowflake,
-	RESTPostAPIContextMenuApplicationCommandsJSONBody,
-	RESTPostAPIChatInputApplicationCommandsJSONBody,
 } from 'discord.js';
 
 import {
@@ -29,14 +29,12 @@ import {
 	Handler,
 	resolveBuilder,
 	SlashCommandBuilder,
-	SlashCommandBuilderReturn,
 	SlashCommandSubcommandBuilder,
 	SlashCommandSubcommandGroupBuilder,
 } from './builders';
 import { API_VERSION } from './constants';
 
-/** A top-level command builder. */
-type TopLevelBuilder = SlashCommandBuilderReturn | ContextMenuCommandBuilder;
+type TopLevelBuilder = ContextMenuCommandBuilder | SlashCommandBuilder
 
 /** Optional parameters for registering commands. */
 interface RegisterOpts {