diff --git a/sys/conf/std.debug b/sys/conf/std.debug
--- a/sys/conf/std.debug
+++ b/sys/conf/std.debug
@@ -16,3 +16,4 @@
 options 	VERBOSE_SYSINIT=0	# Support debug.verbose_sysinit, off by default
 options		ALT_BREAK_TO_DEBUGGER	# Enter debugger on keyboard escape sequence
 options		KDTRACE_MIB_SDT		# Add SDT probes to network counters
+options 	TCP_HPTS_KTEST		# Add KTEST support for HPTS
diff --git a/sys/conf/std.nodebug b/sys/conf/std.nodebug
--- a/sys/conf/std.nodebug
+++ b/sys/conf/std.nodebug
@@ -16,6 +16,7 @@
 nooptions	MALLOC_DEBUG_MAXZONES
 nooptions	QUEUE_MACRO_DEBUG_TRASH
 nooptions	KDTRACE_MIB_SDT
+nooptions	TCP_HPTS_KTEST
 
 # Net80211 debugging
 nooptions	IEEE80211_DEBUG