diff --git a/src/Bundle/ChillActivityBundle/Export/Aggregator/ACPAggregators/DateAggregator.php b/src/Bundle/ChillActivityBundle/Export/Aggregator/ACPAggregators/DateAggregator.php
index ea2fa5ee4..e0fa215f3 100644
--- a/src/Bundle/ChillActivityBundle/Export/Aggregator/ACPAggregators/DateAggregator.php
+++ b/src/Bundle/ChillActivityBundle/Export/Aggregator/ACPAggregators/DateAggregator.php
@@ -29,14 +29,6 @@ class DateAggregator implements AggregatorInterface
 
     private const DEFAULT_CHOICE = 'year';
 
-    private TranslatorInterface $translator;
-
-    public function __construct(
-        TranslatorInterface $translator
-    ) {
-        $this->translator = $translator;
-    }
-
     public function addRole(): ?string
     {
         return null;
@@ -83,7 +75,6 @@ class DateAggregator implements AggregatorInterface
             'choices' => self::CHOICES,
             'multiple' => false,
             'expanded' => true,
-            'empty_data' => self::DEFAULT_CHOICE,
         ]);
     }
     public function getFormDefaultData(): array
diff --git a/src/Bundle/ChillActivityBundle/Export/Filter/ACPFilters/EmergencyFilter.php b/src/Bundle/ChillActivityBundle/Export/Filter/ACPFilters/EmergencyFilter.php
index 807ba3903..d5792d6d5 100644
--- a/src/Bundle/ChillActivityBundle/Export/Filter/ACPFilters/EmergencyFilter.php
+++ b/src/Bundle/ChillActivityBundle/Export/Filter/ACPFilters/EmergencyFilter.php
@@ -67,7 +67,6 @@ class EmergencyFilter implements FilterInterface
             'choices' => self::CHOICES,
             'multiple' => false,
             'expanded' => true,
-            'empty_data' => self::DEFAULT_CHOICE,
         ]);
     }
     public function getFormDefaultData(): array
diff --git a/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/ConfidentialFilter.php b/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/ConfidentialFilter.php
index b9db9f439..58085f762 100644
--- a/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/ConfidentialFilter.php
+++ b/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/ConfidentialFilter.php
@@ -26,7 +26,7 @@ class ConfidentialFilter implements FilterInterface
         'is confidential' => true,
     ];
 
-    private const DEFAULT_CHOICE = false;
+    private const DEFAULT_CHOICE = 'false';
 
     private TranslatorInterface $translator;
 
@@ -66,7 +66,6 @@ class ConfidentialFilter implements FilterInterface
             'choices' => self::CHOICES,
             'multiple' => false,
             'expanded' => true,
-            'empty_data' => self::DEFAULT_CHOICE,
         ]);
     }
     public function getFormDefaultData(): array
diff --git a/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/EmergencyFilter.php b/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/EmergencyFilter.php
index 6fc60f6e9..897a4db2d 100644
--- a/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/EmergencyFilter.php
+++ b/src/Bundle/ChillPersonBundle/Export/Filter/AccompanyingCourseFilters/EmergencyFilter.php
@@ -26,7 +26,7 @@ class EmergencyFilter implements FilterInterface
         'is not emergency' => false,
     ];
 
-    private const DEFAULT_CHOICE = false;
+    private const DEFAULT_CHOICE = 'false';
 
     private TranslatorInterface $translator;
 
@@ -66,7 +66,6 @@ class EmergencyFilter implements FilterInterface
             'choices' => self::CHOICES,
             'multiple' => false,
             'expanded' => true,
-            'empty_data' => self::DEFAULT_CHOICE,
         ]);
     }
     public function getFormDefaultData(): array