diff --git a/sys/sys/elf_common.h b/sys/sys/elf_common.h
index 1b71b46eadf..2d61e953401 100644
--- a/sys/sys/elf_common.h
+++ b/sys/sys/elf_common.h
@@ -763,8 +763,7 @@ typedef struct {
 #define	NT_FREEBSD_FEATURE_CTL	4
 
 /* NT_FREEBSD_FEATURE_CTL desc[0] bits */
-#define	NT_FREEBSD_FCTL_ASLR_DISABLE		0x00000001
-#define	NT_FREEBSD_FCTL_IMPLIED_MAX_PROT	0x00000002
+#define	NT_FREEBSD_FCTL_ASLR_DISABLE	0x00000001
 
 /* Values for n_type.  Used in core files. */
 #define	NT_PRSTATUS	1	/* Process status. */