diff --git a/src/govuk/components/accordion/README.md b/src/govuk/components/accordion/README.md
index 4f6fb75b4a..3672f5de51 100644
--- a/src/govuk/components/accordion/README.md
+++ b/src/govuk/components/accordion/README.md
@@ -12,6 +12,4 @@ Find out when to use the details component in your service in the [GOV.UK Design
 
 Use options to customise the appearance, content and behaviour of a component when using a macro, for example, changing the text.
 
-`id` option given to instances of the component must be **unique** across the domain of your service (as the expanded state of individual instances of the component persists across page loads using [`localStorage`](https://developer.mozilla.org/en-US/docs/Web/API/Window/localStorage)).
-
 See [options table](https://design-system.service.gov.uk/components/accordion/#options-example-default) for details.