diff --git a/Source/Core/Core/HW/SI/SI_Device.h b/Source/Core/Core/HW/SI/SI_Device.h
index 6702c33969..5547e7eabc 100644
--- a/Source/Core/Core/HW/SI/SI_Device.h
+++ b/Source/Core/Core/HW/SI/SI_Device.h
@@ -99,4 +99,4 @@ protected:
 
 bool SIDevice_IsGCController(SIDevices type);
 
-std::unique_ptr<ISIDevice> SIDevice_Create(const SIDevices device, const int port_number);
+std::unique_ptr<ISIDevice> SIDevice_Create(SIDevices device, int port_number);