Google removes language targeting from Search campaigns in late September.
Google says campaign-level language targeting will be removed from Search and AI Max for Search in late September 2026.
Check Audit language settings now.
Why it matters and sources 2
Who should care
Google Search and AI Max advertisers, Performance Max advertisers with multilingual creative, and developers creating or updating campaigns through the Google Ads API.
What to check
Export campaign language settings and map each ad to the language used on its landing page. Stop sending language criteria for new or updated Search campaigns before the API starts rejecting those mutations.