Index: abi/include/ddi/arg.h
===================================================================
--- abi/include/ddi/arg.h	(revision 852052df33dad462a5b4517d1cb06ed4c12b469d)
+++ abi/include/ddi/arg.h	(revision b0f00a9ed1b00bda8a286a4c4bbe625a7f410bc6)
@@ -36,6 +36,4 @@
 #define ABI_DDI_ARG_H_
 
-#define DMAMEM_FLAGS_ANONYMOUS  0x01
-
 /** Structure encapsulating arguments for SYS_PHYSMEM_MAP syscall. */
 typedef struct {