1 files changed, 3 insertions, 2 deletions

diff --git a/src/core/core_cpu.h b/src/core/core_cpu.h
index 1d229b42f..685532965 100644
--- a/src/core/core_cpu.h
+++ b/src/core/core_cpu.h
@@ -6,11 +6,10 @@
 
 #include <atomic>
 #include <condition_variable>
+#include <cstddef>
 #include <memory>
 #include <mutex>
-#include <string>
 #include "common/common_types.h"
-#include "core/arm/exclusive_monitor.h"
 
 namespace Kernel {
 class Scheduler;
@@ -19,6 +18,7 @@ class Scheduler;
 namespace Core {
 
 class ARM_Interface;
+class ExclusiveMonitor;
 
 constexpr unsigned NUM_CPU_CORES{4};
 
@@ -43,6 +43,7 @@ class Cpu {
 public:
     Cpu(std::shared_ptr<ExclusiveMonitor> exclusive_monitor,
         std::shared_ptr<CpuBarrier> cpu_barrier, std::size_t core_index);
+    ~Cpu();
 
     void RunLoop(bool tight_loop = true);