diff --git a/.changes/unreleased/Fixed-20231204-171716.yaml b/.changes/unreleased/Fixed-20231204-171716.yaml
new file mode 100644
index 000000000..048cb1949
--- /dev/null
+++ b/.changes/unreleased/Fixed-20231204-171716.yaml
@@ -0,0 +1,6 @@
+kind: Fixed
+body: |
+  Fix "filter aside activity by date"
+time: 2023-12-04T17:17:16.553597209+01:00
+custom:
+  Issue: "234"
diff --git a/src/Bundle/ChillAsideActivityBundle/src/Export/Filter/ByDateFilter.php b/src/Bundle/ChillAsideActivityBundle/src/Export/Filter/ByDateFilter.php
index 8f3c9c305..b8d77d942 100644
--- a/src/Bundle/ChillAsideActivityBundle/src/Export/Filter/ByDateFilter.php
+++ b/src/Bundle/ChillAsideActivityBundle/src/Export/Filter/ByDateFilter.php
@@ -13,15 +13,11 @@ namespace Chill\AsideActivityBundle\Export\Filter;
 
 use Chill\AsideActivityBundle\Export\Declarations;
 use Chill\MainBundle\Export\FilterInterface;
-use Chill\MainBundle\Form\Type\Export\FilterType;
 use Chill\MainBundle\Form\Type\PickRollingDateType;
 use Chill\MainBundle\Service\RollingDate\RollingDate;
 use Chill\MainBundle\Service\RollingDate\RollingDateConverterInterface;
 use Doctrine\ORM\QueryBuilder;
 use Symfony\Component\Form\FormBuilderInterface;
-use Symfony\Component\Form\FormError;
-use Symfony\Component\Form\FormEvent;
-use Symfony\Component\Form\FormEvents;
 use Symfony\Contracts\Translation\TranslatorInterface;
 
 class ByDateFilter implements FilterInterface
@@ -66,51 +62,14 @@ class ByDateFilter implements FilterInterface
             ->add('date_to', PickRollingDateType::class, [
                 'label' => 'export.filter.Aside activities before this date',
             ]);
-
-        $builder->addEventListener(FormEvents::POST_SUBMIT, function (FormEvent $event) {
-            /** @var \Symfony\Component\Form\FormInterface $filterForm */
-            $filterForm = $event->getForm()->getParent();
-            $enabled = $filterForm->get(FilterType::ENABLED_FIELD)->getData();
-
-            if (true === $enabled) {
-                // if the filter is enabled, add some validation
-                $form = $event->getForm();
-                $date_from = $form->get('date_from')->getData();
-                $date_to = $form->get('date_to')->getData();
-
-                // check that fields are not empty
-                if (null === $date_from) {
-                    $form->get('date_from')->addError(new FormError(
-                        $this->translator->trans('This field '
-                            .'should not be empty')
-                    ));
-                }
-
-                if (null === $date_to) {
-                    $form->get('date_to')->addError(new FormError(
-                        $this->translator->trans('This field '
-                            .'should not be empty')
-                    ));
-                }
-
-                // check that date_from is before date_to
-                if (
-                    (null !== $date_from && null !== $date_to)
-                    && $date_from >= $date_to
-                ) {
-                    $form->get('date_to')->addError(new FormError(
-                        $this->translator->trans('export.filter.This date should be after '
-                            .'the date given in "Implied in an aside activity after '
-                            .'this date" field')
-                    ));
-                }
-            }
-        });
     }
 
     public function getFormDefaultData(): array
     {
-        return ['date_from' => new RollingDate(RollingDate::T_YEAR_PREVIOUS_START), 'date_to' => new RollingDate(RollingDate::T_TODAY)];
+        return [
+            'date_from' => new RollingDate(RollingDate::T_YEAR_PREVIOUS_START),
+            'date_to' => new RollingDate(RollingDate::T_TODAY),
+        ];
     }
 
     public function describeAction($data, $format = 'string'): array