diff --git a/packages/client/src/scripts/gen-search-query.ts b/packages/client/src/scripts/gen-search-query.ts
deleted file mode 100644
index b413cbbab..000000000
--- a/packages/client/src/scripts/gen-search-query.ts
+++ /dev/null
@@ -1,30 +0,0 @@
-import * as Acct from 'misskey-js/built/acct';
-import { host as localHost } from '@/config';
-
-export async function genSearchQuery(v: any, q: string) {
-	let host: string;
-	let userId: string;
-	if (q.split(' ').some(x => x.startsWith('@'))) {
-		for (const at of q.split(' ').filter(x => x.startsWith('@')).map(x => x.substr(1))) {
-			if (at.includes('.')) {
-				if (at === localHost || at === '.') {
-					host = null;
-				} else {
-					host = at;
-				}
-			} else {
-				const user = await v.os.api('users/show', Acct.parse(at)).catch(x => null);
-				if (user) {
-					userId = user.id;
-				} else {
-					// todo: show error
-				}
-			}
-		}
-	}
-	return {
-		query: q.split(' ').filter(x => !x.startsWith('/') && !x.startsWith('@')).join(' '),
-		host: host,
-		userId: userId
-	};
-}
diff --git a/packages/client/src/scripts/get-user-name.ts b/packages/client/src/scripts/get-user-name.ts
deleted file mode 100644
index d499ea020..000000000
--- a/packages/client/src/scripts/get-user-name.ts
+++ /dev/null
@@ -1,3 +0,0 @@
-export default function(user: { name?: string | null, username: string }): string {
-	return user.name || user.username;
-}
diff --git a/packages/client/src/scripts/theme-editor.ts b/packages/client/src/scripts/theme-editor.ts
deleted file mode 100644
index 2c917e280..000000000
--- a/packages/client/src/scripts/theme-editor.ts
+++ /dev/null
@@ -1,81 +0,0 @@
-import { v4 as uuid } from 'uuid';
-
-import { themeProps, Theme } from './theme';
-
-export type Default = null;
-export type Color = string;
-export type FuncName = 'alpha' | 'darken' | 'lighten';
-export type Func = { type: 'func'; name: FuncName; arg: number; value: string; };
-export type RefProp = { type: 'refProp'; key: string; };
-export type RefConst = { type: 'refConst'; key: string; };
-export type Css = { type: 'css'; value: string; };
-
-export type ThemeValue = Color | Func | RefProp | RefConst | Css | Default;
-
-export type ThemeViewModel = [ string, ThemeValue ][];
-
-export const fromThemeString = (str?: string) : ThemeValue => {
-	if (!str) return null;
-	if (str.startsWith(':')) {
-		const parts = str.slice(1).split('<');
-		const name = parts[0] as FuncName;
-		const arg = parseFloat(parts[1]);
-		const value = parts[2].startsWith('@') ? parts[2].slice(1) : '';
-		return { type: 'func', name, arg, value };
-	} else if (str.startsWith('@')) {
-		return {
-			type: 'refProp',
-			key: str.slice(1),
-		};
-	} else if (str.startsWith('$')) {
-		return {
-			type: 'refConst',
-			key: str.slice(1),
-		};
-	} else if (str.startsWith('"')) {
-		return {
-			type: 'css',
-			value: str.substr(1).trim(),
-		};
-	} else {
-		return str;
-	}
-};
-
-export const toThemeString = (value: Color | Func | RefProp | RefConst | Css) => {
-	if (typeof value === 'string') return value;
-	switch (value.type) {
-		case 'func': return `:${value.name}<${value.arg}<@${value.value}`;
-		case 'refProp': return `@${value.key}`;
-		case 'refConst': return `$${value.key}`;
-		case 'css': return `" ${value.value}`;
-	}
-};
-
-export const convertToMisskeyTheme = (vm: ThemeViewModel, name: string, desc: string, author: string, base: 'dark' | 'light'): Theme => {
-	const props = { } as { [key: string]: string };
-	for (const [ key, value ] of vm) {
-		if (value === null) continue;
-		props[key] = toThemeString(value);
-	}
-
-	return {
-		id: uuid(),
-		name, desc, author, props, base
-	};
-};
-
-export const convertToViewModel = (theme: Theme): ThemeViewModel => {
-	const vm: ThemeViewModel = [];
-	// プロパティの登録
-	vm.push(...themeProps.map(key => [ key, fromThemeString(theme.props[key])] as [ string, ThemeValue ]));
-
-	// 定数の登録
-	const consts = Object
-		.keys(theme.props)
-		.filter(k => k.startsWith('$'))
-		.map(k => [ k, fromThemeString(theme.props[k]) ] as [ string, ThemeValue ]);
-
-		vm.push(...consts);
-	return vm;
-};