diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml
index 15e51f92680..7979536abb2 100644
--- a/doc/src/sgml/monitoring.sgml
+++ b/doc/src/sgml/monitoring.sgml
@@ -1549,22 +1549,6 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
WALWrite
Waiting for a write to a WAL file.
-
- LogicalChangesRead
- Waiting for a read from a logical changes file.
-
-
- LogicalChangesWrite
- Waiting for a write to a logical changes file.
-
-
- LogicalSubxactRead
- Waiting for a read from a logical subxact file.
-
-
- LogicalSubxactWrite
- Waiting for a write to a logical subxact file.
-
diff --git a/src/backend/utils/activity/wait_event.c b/src/backend/utils/activity/wait_event.c
index 6baf67740c7..d34c4cbdd42 100644
--- a/src/backend/utils/activity/wait_event.c
+++ b/src/backend/utils/activity/wait_event.c
@@ -714,18 +714,6 @@ pgstat_get_wait_io(WaitEventIO w)
case WAIT_EVENT_WAL_WRITE:
event_name = "WALWrite";
break;
- case WAIT_EVENT_LOGICAL_CHANGES_READ:
- event_name = "LogicalChangesRead";
- break;
- case WAIT_EVENT_LOGICAL_CHANGES_WRITE:
- event_name = "LogicalChangesWrite";
- break;
- case WAIT_EVENT_LOGICAL_SUBXACT_READ:
- event_name = "LogicalSubxactRead";
- break;
- case WAIT_EVENT_LOGICAL_SUBXACT_WRITE:
- event_name = "LogicalSubxactWrite";
- break;
/* no default case, so that compiler will warn */
}
diff --git a/src/include/utils/wait_event.h b/src/include/utils/wait_event.h
index 6c6ec2e7118..8661ab51a3e 100644
--- a/src/include/utils/wait_event.h
+++ b/src/include/utils/wait_event.h
@@ -220,11 +220,7 @@ typedef enum
WAIT_EVENT_WAL_READ,
WAIT_EVENT_WAL_SYNC,
WAIT_EVENT_WAL_SYNC_METHOD_ASSIGN,
- WAIT_EVENT_WAL_WRITE,
- WAIT_EVENT_LOGICAL_CHANGES_READ,
- WAIT_EVENT_LOGICAL_CHANGES_WRITE,
- WAIT_EVENT_LOGICAL_SUBXACT_READ,
- WAIT_EVENT_LOGICAL_SUBXACT_WRITE
+ WAIT_EVENT_WAL_WRITE
} WaitEventIO;