diff --git a/src/main/java/de/hitec/nhplus/treatment/AllTreatmentController.java b/src/main/java/de/hitec/nhplus/treatment/AllTreatmentController.java
index 055c4be..03c5990 100644
--- a/src/main/java/de/hitec/nhplus/treatment/AllTreatmentController.java
+++ b/src/main/java/de/hitec/nhplus/treatment/AllTreatmentController.java
@@ -312,6 +312,8 @@ public class AllTreatmentController {
     @FXML
     public void handleLock(){
         Treatment selectedItem = this.tableView.getSelectionModel().getSelectedItem();
+        LocalDate today = LocalDate.now();
+
         if (selectedItem == null){
             return;
         }
@@ -322,6 +324,13 @@ public class AllTreatmentController {
         }catch (SQLException exception){
             exception.printStackTrace();
         }
+        if (selectedItem.calculateDeleteDate().isBefore(today) || selectedItem.calculateDeleteDate().equals(today)){
+            try {
+                dao.delete(selectedItem.getId());
+            } catch (SQLException e) {
+                throw new RuntimeException(e);
+            }
+        }
         readAllAndShowInTableView();
     }