diff --git a/src/drv/old/Makefile.Vx b/src/drv/old/Makefile.Vx
index c21aa3ab6..9bf2a827e 100644
--- a/src/drv/old/Makefile.Vx
+++ b/src/drv/old/Makefile.Vx
@@ -14,13 +14,13 @@ endif
 
 #The following have been unbundled. DONT USE THESE
 #INC += drvBB232.h
-#INC += drvBitBus.h
+INC += drvBitBus.h
 INC += drvBitBusErr.h
 #INC += drvMsg.h
-#drvBitBusInterface APPEARS HERE AND IN UNBUNDLED - BIG PROBLEM
+#drvBitBus and include files APPEARS HERE AND IN UNBUNDLED - BIG PROBLEM
 INC += drvBitBusInterface.h
 #SRCS.c += ../drvBB232.c
-#SRCS.c += ../drvBitBus.c
+SRCS.c += ../drvBitBus.c
 #SRCS.c += ../drvMsg.c
 #SRCS.c += ../drvTranServ.c