diff --git a/debian/config/featureset-rt/config b/debian/config/featureset-rt/config
index f7f823e19..a1a828040 100644
--- a/debian/config/featureset-rt/config
+++ b/debian/config/featureset-rt/config
@@ -22,6 +22,11 @@ CONFIG_PREEMPT_RT_FULL=y
 ##
 CONFIG_SCHED_TRACER=y
 CONFIG_HWLAT_TRACER=y
-CONFIG_WAKEUP_LATENCY_HIST=y
-CONFIG_MISSED_TIMER_OFFSETS_HIST=y
+
+##
+## file: unknown
+##
+#. Dropped between 4.9 and 4.11, but might come back
+CONFIG_MISSED_TIMER_OFFSETS_HIST=y
+CONFIG_WAKEUP_LATENCY_HIST=y