diff --git a/src/etc/etc.alpha/sysctl.conf b/src/etc/etc.alpha/sysctl.conf
index 08ad51c1..03c2a118 100644
--- a/src/etc/etc.alpha/sysctl.conf
+++ b/src/etc/etc.alpha/sysctl.conf
@@ -2,5 +2,4 @@
 #machdep.unaligned_fix=0	# 0 - disable fixup of unaligned access
 #machdep.unaligned_sigbus=0	# 0 - don't sigbus on unaligned access
 #machdep.allowaperture=1	# see xf86(4)
-#kern.emul.netbsd=1		# enable running NetBSD Elf64 binaries
 #kern.emul.osf1=1		# enable running OSF/1 binaries