# Ion-icon produce ion-null-icon- (Resolved)

**URL:** <https://forum.ionicframework.com/t/ion-icon-produce-ion-null-icon-resolved/93308>\
**Category:** ionic-v3\
**Created:** [June 7, 2017, 10:04am UTC](https://forum.ionicframework.com/t/ion-icon-produce-ion-null-icon-resolved/93308 "2017-06-07T10:04:19Z")\
**Posts on this page:** 1\
**Showing post:** 8

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**Author:** ![rapropos](https://sea1.discourse-cdn.com/ionicframework/user_avatar/forum.ionicframework.com/rapropos/32/100227_2.png) [@rapropos](https://forum.ionicframework.com/u/rapropos)\
**Post date:** [August 13, 2017, 8:24am UTC](https://forum.ionicframework.com/t/ion-icon-produce-ion-null-icon-resolved/93308/8 "2017-08-13T08:24:34Z")

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> [@saip92](#):
>
> tree shaking would take care of dropping unused code anyways?

It’s considerably more complicated than that. The TL;DR version is that you get duplicates of all component code per lazily-loaded page. For the longer version with all the gory details, [this thread](https://forum.ionicframework.com/t/clarification-on-ionic-components-folder/86484) is probably the single most comprehensive resource, but if you search for “lazy load duplication user:rapropos” (for example), you will probably pick up some of the earlier investigation and discussion.

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