diff --git a/motorApp/MotorSrc/Makefile b/motorApp/MotorSrc/Makefile
index a519afc6..b45e95e6 100644
--- a/motorApp/MotorSrc/Makefile
+++ b/motorApp/MotorSrc/Makefile
@@ -5,28 +5,34 @@ include $(TOP)/configure/CONFIG
 #  ADD MACRO DEFINITIONS AFTER THIS LINE
 
 # The following are used for debugging messages.
-#USR_CXXFLAGS += -DDEBUG
+#!USR_CXXFLAGS += -DDEBUG
 
 DBDINC += motorRecord.h
 DBD += motorSupport.dbd
 
 INC += motor.h motordevCom.h motordrvCom.h
 INC += motordrvComCode.h
+
+ifdef ASYN
 INC += asynMotorStatus.h
 INC += motor_interface.h
 INC += paramLib.h
+endif
 
 LIBRARY_IOC += motor
 
 # The following are required for all motor record configurations.
 motor_SRCS += motorRecord.cc motordevCom.cc motordrvCom.cc
+motor_SRCS += motorUtil.cc motorUtilAux.cc
+
+ifdef ASYN
 motor_SRCS += asynMotorStatusBase.c
 motor_SRCS += drvMotorAsyn.c
 motor_SRCS += devMotorAsyn.c
 motor_SRCS += paramLib.c
-motor_SRCS += motorUtil.cc motorUtilAux.cc
-
 motor_LIBS += asyn
+endif
+
 motor_LIBS += $(EPICS_BASE_IOC_LIBS)
 
 include $(TOP)/configure/RULES