No devicemodel

4.14.8/examples/Makefile

@@ -22,7 +22,6 @@ obj-m += cryptosha256.o
 obj-m += cryptoapi.o
 obj-m += completions.o
 obj-m += example_tasklet.o
-obj-m += devicemodel.o
 obj-m += example_spinlock.o
 obj-m += example_rwlock.o
 obj-m += example_atomic.o