diff --git a/Src/AST/Myc.Ast.Scope.pas b/Src/AST/Myc.Ast.Scope.pas
index 1f263a9..64b5a14 100644
--- a/Src/AST/Myc.Ast.Scope.pas
+++ b/Src/AST/Myc.Ast.Scope.pas
@@ -281,18 +281,13 @@ begin
 end;
 
 procedure TExecutionScope.DefineBoxed(const Address: TResolvedAddress; const Value: TDataValue);
-var
-    targetScope: TExecutionScope;
-    i: Integer;
 begin
     // This method is only for local variables (ScopeDepth=0).
     Assert(Address.ScopeDepth = 0, 'DefineBoxed can only be used on the current scope.');
-    targetScope := Self;
+    Assert((Address.SlotIndex >= 0) and (Address.SlotIndex < Length(FValues)), 'Invalid slot index during DefineBoxed.');
 
-    Assert((Address.SlotIndex >= 0) and (Address.SlotIndex < Length(targetScope.FValues)), 'Invalid slot index during DefineBoxed.');
-
-    targetScope.FValues[Address.SlotIndex].Value := TDataValue.FromIntf<IValueCell>(TValueCell.Create(Value));
-    targetScope.FValues[Address.SlotIndex].IsBoxed := True;
+    FValues[Address.SlotIndex].Value := TDataValue.FromIntf<IValueCell>(TValueCell.Create(Value));
+    FValues[Address.SlotIndex].IsBoxed := True;
 end;
 
 procedure TExecutionScope.DumpScope(const ABuilder: TStringBuilder; AIndent: Integer);