diff --git a/src/3rdparty/squirrel/squirrel/sqfuncstate.h b/src/3rdparty/squirrel/squirrel/sqfuncstate.h
--- a/src/3rdparty/squirrel/squirrel/sqfuncstate.h
+++ b/src/3rdparty/squirrel/squirrel/sqfuncstate.h
@@ -6,12 +6,12 @@
 
 struct SQFuncState
 {
-	SQFuncState(SQSharedState *ss,SQFuncState *parent,CompilerErrorFunc efunc,void *ed);
+	SQFuncState(SQSharedState *ss,SQFuncState *parent);
 	~SQFuncState();
 #ifdef _DEBUG_DUMP
 	void Dump(SQFunctionProto *func);
 #endif
-	void Error(const SQChar *err);
+	[[noreturn]] void Error(const SQChar *err);
 	SQFuncState *PushChildState(SQSharedState *ss);
 	void PopChildState();
 	void AddInstruction(SQOpcode _op,SQInteger arg0=0,SQInteger arg1=0,SQInteger arg2=0,SQInteger arg3=0){SQInstruction i(_op,arg0,arg1,arg2,arg3);AddInstruction(i);}
@@ -75,9 +75,6 @@ struct SQFuncState
 	SQSharedState *_sharedstate;
 	sqvector<SQFuncState*> _childstates;
 	SQInteger GetConstant(const SQObject &cons);
-private:
-	CompilerErrorFunc _errfunc;
-	void *_errtarget;
 };