diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index d57fd9181b187ed07856ae0bb845bcc6e93a006b..6ecc180beb7145c5c649f36bc2b7961eab7af13e 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -101,7 +101,7 @@ config DEBUG_PREEMPT
 
 config DEBUG_MUTEXES
 	bool "Mutex debugging, deadlock detection"
-	default y
+	default n
 	depends on DEBUG_KERNEL
 	help
 	 This allows mutex semantics violations and mutex related deadlocks