diff --git a/sigi/apps/eventos/admin.py b/sigi/apps/eventos/admin.py
index 016d703..b2ae247 100644
--- a/sigi/apps/eventos/admin.py
+++ b/sigi/apps/eventos/admin.py
@@ -21,6 +21,7 @@ from django.db.models import (
 from django.db.models.functions import ExtractDay, Cast
 from django.conf import settings
 from django.contrib import admin, messages
+from django.contrib.admin.utils import get_deleted_objects
 from django.core.exceptions import ValidationError
 from django.http import HttpResponse
 from django.shortcuts import get_object_or_404, render, redirect
@@ -1169,6 +1170,18 @@ class EventoAdmin(AsciifyQParameter, CartExportReportMixin, admin.ModelAdmin):
                         level=messages.SUCCESS,
                     )
 
+    def get_deleted_objects(self, objs, request):
+        deleted_objects = super().get_deleted_objects(objs, request)
+        dr = get_deleted_objects(
+            [o.reserva for o in objs if hasattr(o, "reserva")],
+            request,
+            self.admin_site,
+        )
+        deleted_objects[0].extend(dr[0])
+        deleted_objects[1].update(dr[1])
+        deleted_objects[2].update(dr[2])
+        return deleted_objects
+
     def declaracao_report(self, request, object_id):
         if request.method == "POST":
             form = SelecionaModeloForm(request.POST)
diff --git a/sigi/apps/eventos/models.py b/sigi/apps/eventos/models.py
index eef3194..2d8e09d 100644
--- a/sigi/apps/eventos/models.py
+++ b/sigi/apps/eventos/models.py
@@ -625,7 +625,7 @@ class Evento(models.Model):
             self.reserva.clean()
 
     def update_reserva(self):
-        # Prepara e valida a reserva de espaço para ser salva 
+        # Prepara e valida a reserva de espaço para ser salva
         # Gertiq #167321
         if self.reserva is not None:
             self.reserva.proposito = self.nome
@@ -643,6 +643,19 @@ class Evento(models.Model):
             else:
                 self.reserva.status = Reserva.STATUS_ATIVO
 
+    def delete(self, *args, **kwargs):
+        result = super().delete(*args, **kwargs)
+        if self.reserva:
+            rr = self.reserva.delete()
+            result = tuple(
+                map(
+                    lambda a, b: a + b if isinstance(a, int) else a | b,
+                    result,
+                    rr,
+                )
+            )
+        return result
+
     def save(self, *args, **kwargs):
         # Força que a casa anfitriã de todas as visitas seja Senado
         # Gertik #165751