diff --git a/src/system/kernel/util/ring_buffer.cpp b/src/system/kernel/util/ring_buffer.cpp
index 480da04b85..752ab017c6 100644
--- a/src/system/kernel/util/ring_buffer.cpp
+++ b/src/system/kernel/util/ring_buffer.cpp
@@ -7,7 +7,6 @@
 #include "ring_buffer.h"
 
 #include <KernelExport.h>
-#include <lock.h>
 #include <port.h>
 
 #include <stdlib.h>