diff --git a/emper/sleep_strategy/Stats.hpp b/emper/sleep_strategy/Stats.hpp
index e96393fc067c9c8c3fd44b6bf3e56dd210c4a69d..c4af3d6e6f33bc3bca8d675cda9452fc0c5f46ef 100644
--- a/emper/sleep_strategy/Stats.hpp
+++ b/emper/sleep_strategy/Stats.hpp
@@ -34,15 +34,6 @@ namespace emper::sleep_strategy {
 class Stats;
 
 class Stats {
-	friend class PipeSleepStrategy;
-
-	size_t onNewWork = 0;
-	size_t notify = 0;
-	size_t notifications = 0;
-	size_t skip = 0;
-	size_t wakeup = 0;
-	size_t wakeupDueToNotify = 0;
-
 	WorkerStats anywhereStats;
 	std::mutex anywhereStatsMutex;