in width remove the size from left to right in flutter code example

Example 1: column remove space between flutter

Column(
   children: [
       SizedBox( // <-- use a sized box and change the height
         height: 40.0,
         child: ListTile(
         title: Text(element.controlConfig.label),
         ),
       ),
     ],
 ),

Example 2: flutter column min height screen sixe

import 'dart:math'; // for max function

// Add the following around your column
LayoutBuilder(
  builder: (BuildContext context, BoxConstraints constraints) {
    return SingleChildScrollView(
      child: ConstrainedBox(
        constraints: BoxConstraints.tightFor(height: max(500, constraints.maxHeight)),
        child: Column(), // your column
      ),
    );
  },
);