How to i delete unused component and html files? If i delete in that page again run error.
**Runtime Error**
**Cannot find module "../profile/profile"**
**Stack**
Error: Cannot find module "../profile/profile"
at g (http://localhost:8102/build/polyfills.js:3:7133)
at Object.<anonymous> (http://localhost:8102/build/main.js:109113:7)
at __webpack_require__ (http://localhost:8102/build/main.js:20:30)
at Object.<anonymous> (http://localhost:8102/build/main.js:109225:99)
at __webpack_require__ (http://localhost:8102/build/main.js:20:30)
at Object.__webpack_exports__.a (http://localhost:8102/build/main.js:60495:77)
at __webpack_require__ (http://localhost:8102/build/main.js:20:30)
at Object.<anonymous> (http://localhost:8102/build/main.js:108497:75)
at __webpack_require__ (http://localhost:8102/build/main.js:20:30)
at Object.<anonymous> (http://localhost:8102/build/main.js:82133:73)
at __webpack_require__ (http://localhost:8102/build/main.js:20:30)
at Object.<anonymous> (http://localhost:8102/build/main.js:121645:70)
at __webpack_require__ (http://localhost:8102/build/main.js:20:30)
at http://localhost:8102/build/main.js:66:18
at http://localhost:8102/build/main.js:69:10
Ionic Framework: 3.0.1
Ionic App Scripts: 1.3.0
Angular Core: 4.0.0
Angular Compiler CLI: 4.0.0
Node: 6.10.2
OS Platform: Linux 4.8
Navigator Platform: Linux x86_64
User Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/57.0.2987.98 Chrome/57.0.2987.98 Safari/537.36
How to delete my unused folders html,ts files.