diff --git a/src/test/isolation2/isolation2_schedule b/src/test/isolation2/isolation2_schedule
index f637816f826..6c8345159da 100644
--- a/src/test/isolation2/isolation2_schedule
+++ b/src/test/isolation2/isolation2_schedule
@@ -239,13 +239,15 @@ test: segwalrep/recoverseg_from_file
 test: segwalrep/mirror_promotion
 test: segwalrep/cancel_commit_pending_replication
 test: segwalrep/twophase_tolerance_with_mirror_promotion
-test: segwalrep/failover_with_many_records
+# unstable FTS test in different arch
+# test: segwalrep/failover_with_many_records
 test: segwalrep/dtm_recovery_on_standby
 test: segwalrep/commit_blocking_on_standby
 test: segwalrep/dtx_recovery_wait_lsn
 test: fts_manual_probe
 test: fts_session_reset
-test: fts_segment_reset
+# unstable FTS test in different arch
+# test: fts_segment_reset
 
 # Reindex tests
 test: reindex/abort_reindex