diff --git a/TODO.md b/TODO.md
index 9acb5c40..f19e4354 100644
--- a/TODO.md
+++ b/TODO.md
@@ -7,6 +7,7 @@ update to esmodule
 remove hypergraph support
 
 - move test about hypergraph to docs/archive
+- remove "sjcl"
 
 fix repl for windows
 
diff --git a/src/app/App.ts b/src/app/App.ts
index e3fa5c53..201a03a1 100644
--- a/src/app/App.ts
+++ b/src/app/App.ts
@@ -1,11 +1,9 @@
 import * as Loggers from "@cicada-lang/framework/lib/loggers"
 import { AppConfig } from "./AppConfig"
 import { AppHome } from "./AppHome"
-import { AppReplEventHandler } from "./AppReplEventHandler"
 
 export class App {
   logger = new Loggers.PrettyLogger()
   config = new AppConfig()
   home = new AppHome()
-  replEventHandler = new AppReplEventHandler()
 }
diff --git a/src/app/AppReplEventHandler.ts b/src/app/AppReplEventHandler.ts
deleted file mode 100644
index d9befcf3..00000000
--- a/src/app/AppReplEventHandler.ts
+++ /dev/null
@@ -1,48 +0,0 @@
-import { ReplEvent, ReplEventHandler } from "@cicada-lang/framework/lib/repl"
-import fs from "fs"
-import process from "process"
-import { createErrorReport, highlightErrorMessage } from "../lang/errors"
-import { executeStmts } from "../lang/execute"
-import { parseStmts } from "../lang/syntax"
-import { Loader } from "../loader"
-import { colors } from "../utils/colors"
-
-export class AppReplEventHandler extends ReplEventHandler {
-  pathname = process.cwd() + "/repl"
-  loader = new Loader({
-    onOutput: (output) => console.log(colors.blue(output)),
-  })
-
-  constructor() {
-    super()
-    this.loader.fetcher.register("file", (url) =>
-      fs.readFileSync(url.pathname, "utf8"),
-    )
-    this.loader.fetcher.register("repl", (url) => {
-      return url.pathname === this.pathname
-        ? ""
-        : fs.readFileSync(url.pathname, "utf8")
-    })
-  }
-
-  greeting(): void {
-    console.log(`Chimera ${app.config.pkg.version}`)
-  }
-
-  async handle(event: ReplEvent): Promise<void> {
-    const { text } = event
-
-    const url = new URL(`repl://${this.pathname}`)
-    const mod = this.loader.load(url, { text: "" })
-
-    try {
-      const stmts = parseStmts(text)
-      executeStmts(mod, stmts)
-    } catch (error) {
-      error = createErrorReport(error, text)
-      if (error instanceof Error) {
-        console.error(highlightErrorMessage(error.message))
-      } else console.error(error)
-    }
-  }
-}
diff --git a/src/command-line/commands/DefaultCommand.ts b/src/command-line/commands/DefaultCommand.ts
index 66518aa9..f3b46f0f 100644
--- a/src/command-line/commands/DefaultCommand.ts
+++ b/src/command-line/commands/DefaultCommand.ts
@@ -32,9 +32,9 @@ export class DefaultCommand extends Command<Args, Opts> {
     const file = argv["file"]
 
     if (file === undefined) {
-      const dir = process.cwd()
-      const command = new Commands.ReplCommand()
-      await command.execute({ dir })
+      const command = new Commands.CommonHelp()
+      await command.execute({}, runner)
+      return
     } else {
       const command = new Commands.RunCommand()
       await command.execute({ file })
diff --git a/src/command-line/commands/ReplCommand.ts b/src/command-line/commands/ReplCommand.ts
deleted file mode 100644
index 1a0a9c56..00000000
--- a/src/command-line/commands/ReplCommand.ts
+++ /dev/null
@@ -1,39 +0,0 @@
-import { ReadlineRepl } from "@cicada-lang/framework/lib/repls/readline-repl"
-import { Command, CommandRunner } from "@xieyuheng/command-line"
-import Path from "path"
-
-type Args = {}
-
-export class ReplCommand extends Command<Args> {
-  name = "repl"
-
-  description = "Open an interactive REPL"
-
-  args = {}
-
-  // prettier-ignore
-  help(runner: CommandRunner): string {
-    const { blue } = this.colors
-
-    return [
-      `The ${blue(this.name)} command takes you into a rabbit hole`,
-      `  called REPL -- "Read Evaluate Print Loop".`,
-      ``,
-      `In which you can try some ideas real quick.`,
-      ``,
-      blue(`  ${runner.name} ${this.name}`),
-      ``,
-    ].join("\n")
-  }
-
-  async execute(argv: Args): Promise<void> {
-    const repl = await ReadlineRepl.create({
-      dir: Path.resolve(process.cwd()),
-      handler: app.replEventHandler,
-      files: app.home,
-      commitOnDoubleNewline: true,
-    })
-
-    await repl.run()
-  }
-}
diff --git a/src/command-line/commands/index.ts b/src/command-line/commands/index.ts
index 9f6711e3..014b11d4 100644
--- a/src/command-line/commands/index.ts
+++ b/src/command-line/commands/index.ts
@@ -1,4 +1,3 @@
 export * from "@xieyuheng/command-line/lib/commands"
 export * from "./DefaultCommand"
-export * from "./ReplCommand"
 export * from "./RunCommand"
diff --git a/src/command-line/index.ts b/src/command-line/index.ts
index 5154619f..42851d23 100644
--- a/src/command-line/index.ts
+++ b/src/command-line/index.ts
@@ -6,7 +6,6 @@ export function createCommandRunner(): CommandRunner {
   return new CommandRunners.CommonCommandRunner({
     defaultCommand: new Commands.DefaultCommand(),
     commands: [
-      new Commands.ReplCommand(),
       new Commands.RunCommand(),
       new Commands.CommonHelp(),
     ],