Maho (2009) lists them separately as unclassified Zone D.30 languages, but Ethnologue states that they are "members of the same dialect subgroup", and Glottolog places them nearest the Ngendan languages.
The classification of these languages is debated by different sources: Maho (2009) categorizes them as unclassified Zone D.30 languages, while Ethnologue identifies them as belonging to the same dialect group and Glottolog suggests they are most closely related to the Ngendan languages.