Used the built-in constant EdgeInsets.zero.

Author: awhitford

lib/src/fields/form_builder_image_picker.dart

@@ -67,7 +67,7 @@ class FormBuilderImagePicker extends FormBuilderField<List<dynamic>> {
     this.galleryIcon = const Icon(Icons.image),
     this.cameraLabel = const Text('Camera'),
     this.galleryLabel = const Text('Gallery'),
-    this.bottomSheetPadding = const EdgeInsets.all(0),
+    this.bottomSheetPadding = EdgeInsets.zero,
     this.placeholderImage,
   })  : assert(maxImages == null || maxImages >= 0),
         super(

lib/src/fields/form_builder_location_field.dart

@@ -196,7 +196,7 @@ class FormBuilderLocationField extends FormBuilderField<CameraPosition> {
     this.tiltGesturesEnabled = true,
     this.myLocationEnabled = false,
     this.myLocationButtonEnabled = true,
-    this.padding = const EdgeInsets.all(0),
+    this.padding = EdgeInsets.zero,
     this.indoorViewEnabled = false,
     this.trafficEnabled = false,
     this.buildingsEnabled = true,