diff --git a/backend/app/Http/Controllers/Api/ChildrenController.php b/backend/app/Http/Controllers/Api/ChildrenController.php
index ae4db10d..7f632fba 100644
--- a/backend/app/Http/Controllers/Api/ChildrenController.php
+++ b/backend/app/Http/Controllers/Api/ChildrenController.php
@@ -553,7 +553,7 @@ class ChildrenController extends Controller {
             $img = $child->image;
             $child->delete();
 
-            if (!is_null($img)) {
+            if (!is_null($img) && $img != '/assets/default/avatar.jpg') {
                 $img = str_replace('/files/', '', $child->image);
                 if (!Storage::disk('private')->exists($img)) {
                     Log::warning($img.'というパスは不正です。');
diff --git a/backend/app/Http/Controllers/Api/FathersController.php b/backend/app/Http/Controllers/Api/FathersController.php
index 48a71ca5..0fc3f8f7 100644
--- a/backend/app/Http/Controllers/Api/FathersController.php
+++ b/backend/app/Http/Controllers/Api/FathersController.php
@@ -533,15 +533,22 @@ class FathersController extends Controller {
             if ($meet->count() > 0) {
                 foreach ($meet->get() as $n) {
                     $meim = MeetingImage::where('meeting_id', (int)$n->id);
-                    $oldpdf = str_replace('/files/', '', $n->pdf);
-                    $pdfs[] = $oldpdf;
+                    if (!is_null($n->pdf) && $n->pdf != '/assets/default/default.pdf') {
+                        $oldpdf = str_replace('/files/', '', $n->pdf);
+                        $pdfs[] = $oldpdf;
+                    }
 
                     if ($meim->count() > 0) {
                         foreach ($meim->get() as $m) {
+                            if (is_null($n->pdf) || $m->image == '/assets/img/dummy/post-dummy01.jpg') {
+                                continue;
+                            }
                             $oldimg = str_replace('/files/', '', $m->image);
                             $images[] = $oldimg;
                         }
                     }
+
+                    $meim->delete();
                 }
             }
 
@@ -550,9 +557,8 @@ class FathersController extends Controller {
             $father->delete();
             $rel->delete();
             $meet->delete();
-            $meim->delete();
 
-            if (!is_null($img)) {
+            if (!is_null($img) && $img != '/assets/default/avatar.jpg') {
                 $img = str_replace('/files/', '', $father->image);
                 if (!Storage::disk('private')->exists($img)) {
                     Log::warning($img.'というパスは不正です。');