diff --git a/common/include/Utilities/Console.h b/common/include/Utilities/Console.h
index 3a29fe3445..12a737c558 100644
--- a/common/include/Utilities/Console.h
+++ b/common/include/Utilities/Console.h
@@ -129,32 +129,32 @@ struct IConsoleWriter
 //
 struct NullConsoleWriter
 {
-	void WriteRaw( const wxString& ) {}
-	void DoWriteLn( const wxString& ) {}
-	void DoSetColor( ConsoleColors ) {}
-	void DoWriteFromStdout( const wxString& ) {}
+	void WriteRaw( const wxString& fmt ) {}
+	void DoWriteLn( const wxString& fmt ) {}
+	void DoSetColor( ConsoleColors color ) {}
+	void DoWriteFromStdout( const wxString& fmt ) {}
 	void Newline() {}
-	void SetTitle( const wxString& ) {}
+	void SetTitle( const wxString& title ) {}
 
 
 	ConsoleColors GetColor() const { return Color_Current; }
-	const NullConsoleWriter& SetColor( ConsoleColors ) const { return *this; }
+	const NullConsoleWriter& SetColor( ConsoleColors color ) const { return *this; }
 	const NullConsoleWriter& ClearColor() const { return *this; }
-	const NullConsoleWriter& SetIndent( int =1 ) const { return *this; }
+	const NullConsoleWriter& SetIndent( int tabcount=1 ) const { return *this; }
 
-	NullConsoleWriter Indent( int =1 ) const { return NullConsoleWriter(); }
+	NullConsoleWriter Indent( int tabcount=1 ) const { return NullConsoleWriter(); }
 
-	bool FormatV( const char* , va_list ) const				{ return false; }
-	bool WriteLn( ConsoleColors , const char* , ... ) const	{ return false; }
-	bool WriteLn( const char* , ... ) const						{ return false; }
-	bool Error( const char* , ... ) const						{ return false; }
-	bool Warning( const char* , ... ) const						{ return false; }
+	bool FormatV( const char* fmt, va_list args ) const				{ return false; }
+	bool WriteLn( ConsoleColors color, const char* fmt, ... ) const	{ return false; }
+	bool WriteLn( const char* fmt, ... ) const						{ return false; }
+	bool Error( const char* fmt, ... ) const						{ return false; }
+	bool Warning( const char* fmt, ... ) const						{ return false; }
 
-	bool FormatV( const wxChar* , va_list ) const			{ return false; }
-	bool WriteLn( ConsoleColors , const wxChar* , ... ) const { return false; }
-	bool WriteLn( const wxChar* , ... ) const					{ return false; }
-	bool Error( const wxChar* , ... ) const						{ return false; }
-	bool Warning( const wxChar* , ... ) const					{ return false; }
+	bool FormatV( const wxChar* fmt, va_list args ) const			{ return false; }
+	bool WriteLn( ConsoleColors color, const wxChar* fmt, ... ) const { return false; }
+	bool WriteLn( const wxChar* fmt, ... ) const					{ return false; }
+	bool Error( const wxChar* fmt, ... ) const						{ return false; }
+	bool Warning( const wxChar* fmt, ... ) const					{ return false; }
 };
 
 // --------------------------------------------------------------------------------------
diff --git a/common/include/Utilities/PageFaultSource.h b/common/include/Utilities/PageFaultSource.h
index 3fab19a942..a4d971b010 100644
--- a/common/include/Utilities/PageFaultSource.h
+++ b/common/include/Utilities/PageFaultSource.h
@@ -52,12 +52,12 @@ public:
 		OnPageFaultEvent( evtinfo, handled );
 	}
 
-	virtual void DispatchEvent( const PageFaultInfo& )
+	virtual void DispatchEvent( const PageFaultInfo& evtinfo )
 	{
 		pxFailRel( "Don't call me, damnit.  Use DispatchException instead." );
 	}
 
-	virtual void OnPageFaultEvent( const PageFaultInfo& , bool&  ) {}
+	virtual void OnPageFaultEvent( const PageFaultInfo& evtinfo, bool& handled ) {}
 };
 
 // --------------------------------------------------------------------------------------
diff --git a/common/include/Utilities/PersistentThread.h b/common/include/Utilities/PersistentThread.h
index c4de3dd4d4..7abc454549 100644
--- a/common/include/Utilities/PersistentThread.h
+++ b/common/include/Utilities/PersistentThread.h
@@ -44,7 +44,7 @@ namespace Threading
 		void SetThread( pxThread& thr ) { m_thread = &thr; }
 		void SetThread( pxThread* thr ) { m_thread = thr; }
 
-		void DispatchEvent( const int& )
+		void DispatchEvent( const int& params )
 		{
 			OnThreadCleanup();
 		}
diff --git a/common/include/Utilities/TraceLog.h b/common/include/Utilities/TraceLog.h
index cbdf963007..021be06e04 100644
--- a/common/include/Utilities/TraceLog.h
+++ b/common/include/Utilities/TraceLog.h
@@ -143,7 +143,7 @@ public:
 		return false;
 	}
 
-	virtual void ApplyPrefix( FastFormatAscii& ) const {}
+	virtual void ApplyPrefix( FastFormatAscii& ascii ) const {}
 	virtual void DoWrite( const char* fmt ) const=0;
 };
 
diff --git a/common/include/Utilities/wxGuiTools.h b/common/include/Utilities/wxGuiTools.h
index d1e7430b99..686630aeb3 100644
--- a/common/include/Utilities/wxGuiTools.h
+++ b/common/include/Utilities/wxGuiTools.h
@@ -438,7 +438,7 @@ public:
 
 	// NOTE: Enabling system menu on dialogs usually doesn't work, and might cause
 	// other unwanted behavior, such as a missing close button.
-	pxDialogCreationFlags SystemMenu( bool =true ) const
+	pxDialogCreationFlags SystemMenu( bool enable=true ) const
 	{
 		return pxDialogCreationFlags(*this).SetSystemMenu( false );
 	}
@@ -648,7 +648,7 @@ public:
 
 protected:
     // line may be empty
-    virtual void OnOutputLine(const wxString&) { }
+    virtual void OnOutputLine(const wxString& line) { }
 
     // called at the start of every new line (except the very first one)
     virtual void OnNewLine() { }
diff --git a/pcsx2/Gif_Unit.h b/pcsx2/Gif_Unit.h
index 5f6664047b..f44c747ce0 100644
--- a/pcsx2/Gif_Unit.h
+++ b/pcsx2/Gif_Unit.h
@@ -648,7 +648,6 @@ struct Gif_Unit {
 	}
 
 	void PrintPathInfo(GIF_PATH path) {
-		(void)path; // avoid silly warning
 		GUNIT_LOG("Gif Path %d - [hasData = %d][state = %d]", path,
 			       gifPath[path].hasDataRemaining(), gifPath[path].state);
 	}
diff --git a/pcsx2/IopBios.h b/pcsx2/IopBios.h
index 7b97a8ecab..b8d3dece5e 100644
--- a/pcsx2/IopBios.h
+++ b/pcsx2/IopBios.h
@@ -42,9 +42,9 @@ public:
 
 	virtual void close() = 0;
 
-	virtual int lseek(s32 , s32 ) { return -IOP_EIO; }
-	virtual int read(void *, u32 ) { return -IOP_EIO; }
-	virtual int write(void *, u32 ) { return -IOP_EIO; }
+	virtual int lseek(s32 offset, s32 whence) { return -IOP_EIO; }
+	virtual int read(void *buf, u32 count) { return -IOP_EIO; }
+	virtual int write(void *buf, u32 count) { return -IOP_EIO; }
 };
 
 class IOManDir {
diff --git a/pcsx2/System/SysThreads.h b/pcsx2/System/SysThreads.h
index f786a5319f..853ad4d735 100644
--- a/pcsx2/System/SysThreads.h
+++ b/pcsx2/System/SysThreads.h
@@ -236,7 +236,7 @@ public:
 	IEventListener_SysState() {}
 	virtual ~IEventListener_SysState() throw() {}
 
-	virtual void DispatchEvent( const SysStateUnlockedParams& )
+	virtual void DispatchEvent( const SysStateUnlockedParams& status )
 	{
 		SysStateAction_OnUnlocked();
 	}
diff --git a/pcsx2/VUmicro.h b/pcsx2/VUmicro.h
index 5ddb7719b5..097231ab2c 100644
--- a/pcsx2/VUmicro.h
+++ b/pcsx2/VUmicro.h
@@ -177,10 +177,10 @@ public:
 
 	void Step();
 	void Execute(u32 cycles);
-	void Clear(u32 , u32 ) {}
+	void Clear(u32 addr, u32 size) {}
 
 	uint GetCacheReserve() const { return 0; }
-	void SetCacheReserve( uint ) const {}
+	void SetCacheReserve( uint reserveInMegs ) const {}
 };
 
 class InterpVU1 : public BaseVUmicroCPU
@@ -198,11 +198,11 @@ public:
 
 	void Step();
 	void Execute(u32 cycles);
-	void Clear(u32 , u32 ) {}
+	void Clear(u32 addr, u32 size) {}
 	void ResumeXGkick() {}
 
 	uint GetCacheReserve() const { return 0; }
-	void SetCacheReserve( uint ) const {}
+	void SetCacheReserve( uint reserveInMegs ) const {}
 };
 
 // --------------------------------------------------------------------------------------