# Delete/Retire

## Delete Properties

Properties can be deleted on the _**Schema**_ page by clicking the <img src="https://content.gitbook.com/content/ecIrdZnsDkSPypTQNKj0/blobs/qUonUBFpBAu7aszBc5WK/delete_icon.svg" alt="" data-size="line"> button.&#x20;

{% hint style="warning" %}
To confirm the action, press Delete in the danger zone again.
{% endhint %}

![Delete Code System Property](https://content.gitbook.com/content/ecIrdZnsDkSPypTQNKj0/blobs/He7nlcTEuqOaOdjudYOH/delete_property.png)

{% hint style="danger" %}
If you delete a property, existing values will also be removed from the _**Content**_ page.
{% endhint %}

## Delete Property Values

Values can be removed on the _**Content**_ page by clicking on the <img src="https://content.gitbook.com/content/ecIrdZnsDkSPypTQNKj0/blobs/qUonUBFpBAu7aszBc5WK/delete_icon.svg" alt="" data-size="line"> icon, which is revealed when hovering over a value.

{% hint style="warning" %}
To confirm the action, press Delete in the danger zone again.
{% endhint %}

![Delete Property Value](https://content.gitbook.com/content/ecIrdZnsDkSPypTQNKj0/blobs/UAOIFJfjg082RZEAa8V4/delete_value.png)

## Delete or Retire Code System

Code Systems that are in [draft](../../..#lifecycle) status can be deleted, while resources in [active](../../..#lifecycle) status can only be retired. The action can be performed from the resource's _**Settings**_ tab by pressing the retire/delete resource button.

{% hint style="warning" %}
To confirm the action, press Retire/Delete in the danger zone again.
{% endhint %}

![Retire Code System](https://content.gitbook.com/content/ecIrdZnsDkSPypTQNKj0/blobs/vmS7g6GtuLXIIxcPEC7n/confirm_retire.png)

{% hint style="info" %}
Read more about resource lifecycle by visiting the following page: [Resources](../../..#lifecycle).
{% endhint %}

## Delete or Retire Concept

Concepts in Code Systems that are in [draft](../../..#lifecycle) status can be deleted, while concepts in [active](../../..#lifecycle) Code Systems can only be retired.

{% hint style="info" %}
To delete (<img src="https://content.gitbook.com/content/ecIrdZnsDkSPypTQNKj0/blobs/b1gZ7cHCDDuqccL2sDwY/delete_concept_icon.svg" alt="" data-size="line">) or retire (<img src="https://content.gitbook.com/content/ecIrdZnsDkSPypTQNKj0/blobs/O0KLyS5nVhlKc2GxKG4S/retire_concept_icon.svg" alt="" data-size="line">) a concept, press the corresponding icons and confirm your action in the danger zone again.
{% endhint %}

Retired concepts can also be re-activated using the <img src="https://content.gitbook.com/content/ecIrdZnsDkSPypTQNKj0/blobs/O0KLyS5nVhlKc2GxKG4S/retire_concept_icon.svg" alt="" data-size="line"> icon.

{% hint style="info" %}
To find inactive concepts, you can use the Status filter in the Code System's [Advanced Search](advanced-search).
{% endhint %}
