Rob Kardashian Deletes All Pictures With Blac Chyna From His Instagram and Unfollows Her

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Have Rob Kardashian and Blac Chyna hit a rough patch?

The Keeping Up with the Kardashians star purged his Instagram account of all traces of his relationship with the model and entrepreneur on Monday.

The 29-year-old reality star has cleaned out his Instagram account and only a single photo of himself remains. Kardashian has also opted to unfollow his fiancée on the social media platform.

The pair, who are expecting their first child together, have been noticeably inactive on social media the past few weeks, with Chyna, 28, not having updated her account since early July. (Their reps did not immediately respond to PEOPLE’s request for comment.)

The pair first turned heads when they went public with their relationship in January, because of Chyna’s complicated history with the Kardashian-Jenner clan. They then became engaged on April 4.

Kardashian and Chyna are currently set to debut their own reality show together in early fall which is going to consist of six hour-long episodes followed by a special celebrating the birth of their child.

Keeping Up with the Kardashians airs Sundays (9 p.m. ET) on E!