- Patch #622330 by JohnAlbin, Jeff Burnz: CSS alternative to remove clearfix from inline field markup.

modules/field/field.module

@@ -980,6 +980,11 @@ function template_preprocess_field(&$variables, $hook) {
     'field-type-' . $variables['field_type_css'],
     'field-label-' . $element['#label_display'],
   );
+  // Add a "clearfix" class to the wrapper since we float the label and the
+  // field items in field.css if the label is inline.
+  if ($element['#label_display'] == 'inline') {
+    $variables['classes_array'][] = 'clearfix';
+  }
 
   // Add specific suggestions that can override the default implementation.
   $variables['theme_hook_suggestions'] = array(
@@ -1090,7 +1095,7 @@ function theme_field($variables) {
   $output .= '</div>';
 
   // Render the top-level DIV.
-  $output = '<div class="' . $variables['classes'] . ' clearfix"' . $variables['attributes'] . '>' . $output . '</div>';
+  $output = '<div class="' . $variables['classes'] . '"' . $variables['attributes'] . '>' . $output . '</div>';
 
   return $output;
 }