diff --git a/kernel/include/kernel/Lock/SpinLock.h b/kernel/include/kernel/Lock/SpinLock.h
index 2f6d0edc..65b8f0d9 100644
--- a/kernel/include/kernel/Lock/SpinLock.h
+++ b/kernel/include/kernel/Lock/SpinLock.h
@@ -61,9 +61,6 @@ namespace Kernel
 		uint32_t                             m_lock_depth { 0 };
 	};
 
-	template<typename Lock>
-	class SpinLockGuardAsMutex;
-
 	template<typename Lock>
 	class SpinLockGuard
 	{
@@ -85,7 +82,6 @@ namespace Kernel
 	private:
 		Lock& m_lock;
 		InterruptState m_state;
-		friend class SpinLockGuardAsMutex<Lock>;
 	};
 
 }