8 calls to field_delete_instance()

CommentFieldsTest::testCommentDefaultFields in drupal/modules/comment/comment.test
Tests that the default 'comment_body' field is correctly added.
FieldBulkDeleteTestCase::testDeleteFieldInstance in drupal/modules/field/tests/field.test
Verify that deleting an instance leaves the field data items in the database and that the appropriate Field API functions can operate on the deleted data and instance.
FieldBulkDeleteTestCase::testPurgeField in drupal/modules/field/tests/field.test
Verify that fields are preserved and purged correctly as multiple instances are deleted and purged.
FieldBulkDeleteTestCase::testPurgeInstance in drupal/modules/field/tests/field.test
Verify that field data items and instances are purged when an instance is deleted.
FieldInstanceCrudTestCase::testDeleteFieldInstance in drupal/modules/field/tests/field.test
Test the deletion of a field instance.
field_attach_delete_bundle in drupal/modules/field/field.attach.inc
Notify field.module the a bundle was deleted.
field_delete_field in drupal/modules/field/field.crud.inc
Marks a field and its instances and data for deletion.
field_ui_field_delete_form_submit in drupal/modules/field_ui/field_ui.admin.inc
Form submission handler for field_ui_field_delete_form().