diff --git a/motorApp/Makefile b/motorApp/Makefile
index c12ae0df..49496c26 100644
--- a/motorApp/Makefile
+++ b/motorApp/Makefile
@@ -9,10 +9,10 @@ include $(TOP)/configure/CONFIG
 DIRS += MotorSrc
 
 # Select individual device/driver modules by removing the "#!" comment.
-#!DIRS += DeltaTauSrc
+DIRS += DeltaTauSrc
 DIRS += OmsSrc
 DIRS += SoftMotorSrc
-#!DIRS += MotorSimSrc
+DIRS += MotorSimSrc
 
 # All the following modules require ASYN.
 ifdef ASYN