Problema ao rodar o Gulp

Estou tento problema ao rodar a função minify-js, o seguinte erro é exibido:

PS C:\performance> gulp minify-js
assert.js:378
    throw err;
    ^

AssertionError [ERR_ASSERTION]: Task function must be specified
    at Gulp.set [as _setTask] (C:\Users\bruno\AppData\Roaming\npm\node_modules\gulp\node_modules\undertaker\lib\set-task.js:10:3)
    at Gulp.task (C:\Users\bruno\AppData\Roaming\npm\node_modules\gulp\node_modules\undertaker\lib\task.js:13:8)
    at Object.<anonymous> (C:\performance\gulpfile.js:89:6)
    at Module._compile (internal/modules/cjs/loader.js:1063:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1103:10)
    at Module.load (internal/modules/cjs/loader.js:914:32)
    at Function.Module._load (internal/modules/cjs/loader.js:822:14)
    at Module.require (internal/modules/cjs/loader.js:956:19)
    at require (internal/modules/cjs/helpers.js:74:18)
    at execute (C:\Users\bruno\AppData\Roaming\npm\node_modules\gulp\node_modules\gulp-cli\lib\versioned\^4.0.0\index.js:36:18) {
  generatedMessage: false,
  code: 'ERR_ASSERTION',
  actual: false,
  expected: true,
  operator: '=='
}

estou utilizando o PowerShell em modo administrador. node version: 13.1.0, npm version: 6.12.1, gulp version:CLI version: 2.2.0, Local version: 4.0.2