There is some code in XARecoveryModule#removeXAResourceRecoveryHelper that defers removal of recovery helpers if a scan is in progress but skips the removal otherwise.
fixed in community version, await release
*** Bug 1145513 has been marked as a duplicate of this bug. ***
Tom Jenkinson <tom.jenkinson> updated the status of jira JBTM-2241 to Closed
Went into 4.17.23
Verified on revision EAP 6.4.0.DR12 Now it always proceeds revcovery helper removal requests in XARecoveryModule#removeXAResourceRecoveryHelper.