diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 8c1466c575..58060bad82 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -135,7 +135,6 @@ Materials in [`res/documentation`](res/documentation) also may be useful, it inc
 * [parser](https://github.com/matkoniecz/Zazolc/tree/taginfo) by [@matkoniecz](https://github.com/matkoniecz) listing tags added by StreetComplete for [taginfo](https://taginfo.openstreetmap.org/projects/streetcomplete#tags)
 * [blacklistr](https://github.com/ENT8R/blacklistr) by [@ENT8R](https://github.com/ENT8R) for visualizing StreetComplete's country exclusion list
 * [NotesReview](https://github.com/ENT8R/NotesReview) by [@ENT8R](https://github.com/ENT8R) for reviewing notes with a specific keyword (here: `StreetComplete`)
-* [oneway-data-api](https://github.com/streetcomplete/oneway-data-api) by [@ENT8R](https://github.com/ENT8R) for getting oneway data from improveosm.org
 * [crops-parser](https://github.com/rugk/crops-parser) by [@rugk](https://github.com/rugk) for parsing data for the orchard quest
 * [streetcomplete-ad-c3](https://github.com/rugk/streetcomplete-ad-c3) by [@rugk](https://github.com/rugk) as a banner advertisement
 * [sc-photo-service](https://github.com/streetcomplete/sc-photo-service) by [@exploide](https://github.com/exploide) allows StreetComplete to upload photos associated with OSM Notes
@@ -143,3 +142,8 @@ Materials in [`res/documentation`](res/documentation) also may be useful, it inc
 * [StreetComplete-taginfo-categorize](https://github.com/mnalis/StreetComplete-taginfo-categorize) by [@mnalis](https://github.com/mnalis) generates tags listed in [KEYS_THAT_SHOULD_BE_REMOVED_WHEN_PLACE_IS_REPLACED](https://github.com/streetcomplete/StreetComplete/blob/master/app/src/main/java/de/westnordost/streetcomplete/osm/Place.kt#L244)
 
 You may find more projects under [the StreetComplete tag](https://github.com/topics/streetcomplete) on GitHub.
+
+#### Retired
+
+* [oneway-data-api](https://github.com/streetcomplete/oneway-data-api) by [@ENT8R](https://github.com/ENT8R) for getting oneway data from improveosm.org
+