The header element of the page template of the Seven theme is marked up with a redundant [role="navigation"] ARIA landmark. The role of the header isn't navigation. It's a container. It can contain breadcrumbs, which are correctly marked up as [role="navigation"].

Comments
Comment #1
jessebeach commentedThis patch removes the redundant
[role=navigation]attribute.Comment #2
mparker17Code looks good, works as advertised.
Looks good to me!
Comment #3
mgiffordThis makes sense to me.
Comment #4
mgiffordoops.
Comment #5
alexpottCommitted 51efbbf and pushed to 8.x. Thanks!
Comment #6
jessebeach commentedAdding Spark tag for tracking.