Yoann Rodière ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *closed* an issue as *Rejected* It turns out this behavior was expected; what wasn’t normal was the fact that we got an event when setting the property to a non-null value. See this comment for details: https://hibernate.atlassian.net/browse/HSEARCH-4708?focusedCommentId=110020 ( https://hibernate.atlassian.net/browse/HSEARCH-4708?focusedCommentId=110020 ) Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiODFjYmEzNTFk... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-14798?atlOrigin=eyJpIjoiODFjYm... ) HHH-14798 ( https://hibernate.atlassian.net/browse/HHH-14798?atlOrigin=eyJpIjoiODFjYm... ) No PostUpdateEvent fired when setting a property with @OneToOne(mappedBy = ...) to null ( https://hibernate.atlassian.net/browse/HHH-14798?atlOrigin=eyJpIjoiODFjYm... ) Change By: Yoann Rodière ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) Assignee: Steve Ebersole Yoann Rodière Fix versions: 5.6-backlog Fix versions: 5.5-backlog Fix versions: 5.4-backlog Resolution: Rejected Status: Open Closed ( https://hibernate.atlassian.net/browse/HHH-14798#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-14798#add-comment?atlOrigin=ey... ) Get Jira notifications on your phone! Download the Jira Cloud app for Android ( https://play.google.com/store/apps/details?id=com.atlassian.android.jira.... ) or iOS ( https://itunes.apple.com/app/apple-store/id1006972087?pt=696495&ct=Em... ) This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100208- sha1:492d0ce )