diff --git a/xxxApp/src/Makefile b/xxxApp/src/Makefile
index f03fe4a315b6e8260b64fe1c007c508c8b94017d..6e37cb0f02d464e9d6cb2127c7785237e34fc465 100644
--- a/xxxApp/src/Makefile
+++ b/xxxApp/src/Makefile
@@ -76,7 +76,9 @@ ifeq (vxWorks,$(findstring vxWorks, $(T_A)))
 	iocxxxVX_DBD += camacSupport.dbd
 	iocxxxVX_DBD += devCamacSupport.dbd
 	iocxxxVX_DBD += dxpSupport.dbd
+ifdef ALLEN_BRADLEY
 	iocxxxVX_DBD += allenBradley.dbd
+endif
 	iocxxxVX_DBD += quadEMSupport.dbd
 	iocxxxVX_DBD += mcaCanberraSupport.dbd
 	iocxxxVX_DBD += devLove.dbd
@@ -143,7 +145,9 @@ xxx_Common_LIBS += stream streamSynApps
 xxx_Common_LIBS += seqDev seq pv
 xxx_Common_LIBS += $(EPICS_BASE_IOC_LIBS)
 
+ifdef ALLEN_BRADLEY
 xxx_LIBS_vxWorks += allenBradley
+endif
 xxx_LIBS_vxWorks += mcaSIS
 xxx_LIBS_vxWorks += mcaCanberra
 xxx_LIBS_vxWorks += ip330