diff --git a/Source/Core/Core/HW/EXI/EXI_DeviceMic.h b/Source/Core/Core/HW/EXI/EXI_DeviceMic.h
index 8f74dbdaf7..8d314c73e9 100644
--- a/Source/Core/Core/HW/EXI/EXI_DeviceMic.h
+++ b/Source/Core/Core/HW/EXI/EXI_DeviceMic.h
@@ -65,7 +65,6 @@ private:
 
   void TransferByte(u8& byte) override;
 
-  void StreamLog(const char* msg);
   void StreamInit();
   void StreamTerminate();
   void StreamStart();