diff --git a/Source/Core/Core/Src/Debugger/PPCDebugInterface.h b/Source/Core/Core/Src/Debugger/PPCDebugInterface.h
index e849ecd185..9a72c8e572 100644
--- a/Source/Core/Core/Src/Debugger/PPCDebugInterface.h
+++ b/Source/Core/Core/Src/Debugger/PPCDebugInterface.h
@@ -13,7 +13,7 @@ public:
 	PPCDebugInterface(){} 
 	virtual void disasm(unsigned int address, char *dest, int max_size);
 	virtual void getRawMemoryString(int memory, unsigned int address, char *dest, int max_size);
-	virtual int getInstructionSize(int inst_size = 4) {return inst_size;}
+	virtual int getInstructionSize(int /*instruction*/) {return 4;}
 	virtual bool isAlive();
 	virtual bool isBreakpoint(unsigned int address);
 	virtual void setBreakpoint(unsigned int address);
@@ -38,4 +38,4 @@ public:
 	virtual void showJitResults(u32 address);
 };
 
-#endif
+#endif
\ No newline at end of file