diff --git a/src/jrd/tra.cpp b/src/jrd/tra.cpp
index 79846cfb98a..b85b4756071 100644
--- a/src/jrd/tra.cpp
+++ b/src/jrd/tra.cpp
@@ -3994,7 +3994,7 @@ void VerbAction::garbage_collect_idx_lite(thread_db* tdbb, jrd_tra* transaction,
  *
  * Functional description
  *	Clean up index entries and referenced BLOBs.
- *  This routine uses smaller set of staying record than original garbage_collect_idx().
+ *  This routine uses smaller set of staying record than original VIO_garbage_collect_idx().
  *
  *  Notes:
  *
@@ -4208,11 +4208,11 @@ void VerbAction::undo(thread_db* tdbb, jrd_tra* transaction)
 				new_rpb.rpb_flags = 0;
 				Record* dead_record = rpb.rpb_record;
 				// This record will be in staying list twice. Ignorable overhead.
-				update_in_place(tdbb, transaction, &rpb, &new_rpb);
+				VIO_update_in_place(tdbb, transaction, &rpb, &new_rpb);
 				if (dead_record)
 				{
-					rpb.rpb_record = NULL; // garbage_collect_idx will play with this record dirty tricks
-					garbage_collect_idx(tdbb, transaction, &rpb, dead_record);
+					rpb.rpb_record = NULL; // VIO_garbage_collect_idx will play with this record dirty tricks
+					VIO_garbage_collect_idx(tdbb, transaction, &rpb, dead_record);
 				}
 				rpb.rpb_record = save_record;
 			}
diff --git a/src/jrd/vio.cpp b/src/jrd/vio.cpp
index 4359ffa2966..115142ea435 100644
--- a/src/jrd/vio.cpp
+++ b/src/jrd/vio.cpp
@@ -1824,7 +1824,7 @@ void VIO_erase(thread_db* tdbb, record_param* rpb, jrd_tra* transaction)
 
 	if (rpb->rpb_transaction_nr == transaction->tra_number)
 	{
-		update_in_place(tdbb, transaction, rpb, &temp);
+		VIO_update_in_place(tdbb, transaction, rpb, &temp);
 		if (transaction->tra_save_point && transaction->tra_save_point->sav_verb_count)
 		{
 			verb_post(tdbb, transaction, rpb, rpb->rpb_undo);
@@ -2462,7 +2462,7 @@ void VIO_modify(thread_db* tdbb, record_param* org_rpb, record_param* new_rpb, j
 
 	if (transaction->tra_flags & TRA_system)
 	{
-		update_in_place(tdbb, transaction, org_rpb, new_rpb);
+		VIO_update_in_place(tdbb, transaction, org_rpb, new_rpb);
 		tdbb->bumpRelStats(RuntimeStatistics::RECORD_UPDATES, relation->rel_id);
 		return;
 	}
@@ -2815,7 +2815,7 @@ void VIO_modify(thread_db* tdbb, record_param* org_rpb, record_param* new_rpb, j
 		org_rpb->rpb_format_number == new_rpb->rpb_format_number)
 	{
 		IDX_modify_flag_uk_modified(tdbb, org_rpb, new_rpb, transaction);
-		update_in_place(tdbb, transaction, org_rpb, new_rpb);
+		VIO_update_in_place(tdbb, transaction, org_rpb, new_rpb);
 		if (!(transaction->tra_flags & TRA_system) &&
 			transaction->tra_save_point && transaction->tra_save_point->sav_verb_count)
 		{
@@ -4347,7 +4347,7 @@ static void garbage_collect(thread_db* tdbb, record_param* rpb, ULONG prior_page
 	clearRecordStack(going);
 }
 
-void garbage_collect_idx(thread_db* tdbb, jrd_tra* transaction,
+void VIO_garbage_collect_idx(thread_db* tdbb, jrd_tra* transaction,
 								record_param* org_rpb,
 								Record* old_data)
 {
@@ -5773,7 +5773,7 @@ static void set_system_flag(thread_db* tdbb, Record* record, USHORT field_id)
 }
 
 
-void update_in_place(thread_db* tdbb,
+void VIO_update_in_place(thread_db* tdbb,
 							jrd_tra* transaction, record_param* org_rpb, record_param* new_rpb)
 {
 /**************************************
diff --git a/src/jrd/vio_proto.h b/src/jrd/vio_proto.h
index 5520fe46848..ce6a9b9e12d 100644
--- a/src/jrd/vio_proto.h
+++ b/src/jrd/vio_proto.h
@@ -60,8 +60,8 @@ void	VIO_store(Jrd::thread_db*, Jrd::record_param*, Jrd::jrd_tra*);
 bool	VIO_sweep(Jrd::thread_db*, Jrd::jrd_tra*, Jrd::TraceSweepEvent*);
 void	VIO_verb_cleanup(Jrd::thread_db*, Jrd::jrd_tra*);
 void	VIO_temp_cleanup(Jrd::jrd_tra*);
-void	garbage_collect_idx(Jrd::thread_db*, Jrd::jrd_tra*, Jrd::record_param*, Jrd::Record*);
-void	update_in_place(Jrd::thread_db*, Jrd::jrd_tra*, Jrd::record_param*, Jrd::record_param*);
+void	VIO_garbage_collect_idx(Jrd::thread_db*, Jrd::jrd_tra*, Jrd::record_param*, Jrd::Record*);
+void	VIO_update_in_place(Jrd::thread_db*, Jrd::jrd_tra*, Jrd::record_param*, Jrd::record_param*);
 
 namespace Jrd
 {