diff --git a/Services/COPage/PC/Blog/class.ilPCBlog.php b/Services/COPage/PC/Blog/class.ilPCBlog.php
index dedac6941107..6bcdeea9c235 100644
--- a/Services/COPage/PC/Blog/class.ilPCBlog.php
+++ b/Services/COPage/PC/Blog/class.ilPCBlog.php
@@ -59,9 +59,7 @@ public function setData(
         // remove all children first
         $children = $this->getChildNode()->childNodes;
         if ($children) {
-            foreach ($children as $child) {
-                $this->getChildNode()->removeChild($child);
-            }
+            $this->dom_util->deleteAllChilds($this->getChildNode());
         }
 
         if (count($a_posting_ids)) {
diff --git a/Services/COPage/PC/Plugged/class.ilPCPlugged.php b/Services/COPage/PC/Plugged/class.ilPCPlugged.php
index 12013df4b3d6..0333866ffc70 100755
--- a/Services/COPage/PC/Plugged/class.ilPCPlugged.php
+++ b/Services/COPage/PC/Plugged/class.ilPCPlugged.php
@@ -162,6 +162,7 @@ public static function handleCopiedPluggedContent(
         DOMDocument $a_domdoc
     ): void {
         global $DIC;
+        $dom_util = $DIC->copage()->internal()->domain()->domUtil();
         $component_repository = $DIC['component.repository'];
         $component_factory = $DIC['component.factory'];
 
@@ -187,9 +188,7 @@ public static function handleCopiedPluggedContent(
                 // and allow it to modify the saved parameters
                 $plugin_obj->onClone($properties, $plugin_version);
 
-                foreach ($node->childNodes as $child) {
-                    $node->removeChild($child);
-                }
+                $dom_util->deleteAllChilds($node);
                 foreach ($properties as $name => $value) {
                     $child = new DOMElement(
                         'PluggedProperty',
@@ -208,6 +207,9 @@ public static function handleCopiedPluggedContent(
     public static function afterRepositoryCopy(ilPageObject $page, array $mapping, int $source_ref_id): void
     {
         global $DIC;
+
+        $dom_util = $DIC->copage()->internal()->domain()->domUtil();
+
         $ilPluginAdmin = $DIC['ilPluginAdmin'];
 
         /** @var ilComponentFactory $component_factory */
@@ -238,9 +240,7 @@ public static function afterRepositoryCopy(ilPageObject $page, array $mapping, i
                 // and allow it to modify the saved parameters
                 $plugin_obj->afterRepositoryCopy($properties, $mapping, $source_ref_id, $plugin_version);
 
-                foreach ($node->childNodes as $child) {
-                    $node->removeChild($child);
-                }
+                $dom_util->deleteAllChilds($node);
                 foreach ($properties as $name => $value) {
                     $child = new DOMElement(
                         'PluggedProperty',
diff --git a/Services/COPage/PC/Table/class.TableCommandActionHandler.php b/Services/COPage/PC/Table/class.TableCommandActionHandler.php
index ec2b94a6e108..626e73f3c9ae 100644
--- a/Services/COPage/PC/Table/class.TableCommandActionHandler.php
+++ b/Services/COPage/PC/Table/class.TableCommandActionHandler.php
@@ -223,7 +223,6 @@ protected function updateData(
                         $updated = (!is_null($text));
                         $text = $text["text"];
                     }
-
                     if ($updated) {
                         $text = \ilPCParagraph::_input2xml(
                             $text,
diff --git a/Services/COPage/PC/Table/class.ilPCDataTable.php b/Services/COPage/PC/Table/class.ilPCDataTable.php
index f33150f46de4..9d4080d8825e 100755
--- a/Services/COPage/PC/Table/class.ilPCDataTable.php
+++ b/Services/COPage/PC/Table/class.ilPCDataTable.php
@@ -50,9 +50,7 @@ public function create(
     public function makeEmptyCell(DomNode $td_node): void
     {
         // delete children of paragraph node
-        foreach ($td_node->childNodes as $child) {
-            $td_node->removeChild($child);
-        }
+        $this->dom_util->deleteAllChilds($td_node);
 
         // create page content and paragraph node here.
         $pc_node = $this->getNewPageContentNode();
@@ -86,9 +84,7 @@ public function setData(array $a_data)
                         // remove all childs
                         if (empty($error) && !is_null($par_node)) {
                             // delete children of paragraph node
-                            foreach ($par_node->childNodes as $child) {
-                                $par_node->removeChild($child);
-                            }
+                            $this->dom_util->deleteAllChilds($par_node);
 
                             // copy new content children in paragraph node
                             $nodes = $this->dom_util->path(
diff --git a/Services/COPage/PC/Table/class.ilPCTable.php b/Services/COPage/PC/Table/class.ilPCTable.php
index 1f1ed0d7faa4..e5eacfb6fdbc 100755
--- a/Services/COPage/PC/Table/class.ilPCTable.php
+++ b/Services/COPage/PC/Table/class.ilPCTable.php
@@ -109,9 +109,7 @@ public function getCellNode(int $i, int $j, bool $create_if_not_exists = false):
 
             if (!is_null($td_node)) {
                 // delete children of paragraph node
-                foreach ($td_node->childNodes as $child) {
-                    $td_node->removeChild($child);
-                }
+                $this->dom_util->deleteAllChilds($td_node);
 
                 // create page content and paragraph node here.
                 $pc_node = $this->getNewPageContentNode();
@@ -409,9 +407,7 @@ public function fixHideAndSpans(): void
     public function makeEmptyCell(DomNode $td_node): void
     {
         // delete children of paragraph node
-        foreach ($td_node->childNodes as $child) {
-            $td_node->removeChild($child);
-        }
+        $this->dom_util->deleteAllChilds($td_node);
     }
 
     /**
diff --git a/Services/COPage/PC/Table/class.ilPCTableData.php b/Services/COPage/PC/Table/class.ilPCTableData.php
index e2558f060092..d48119252aa7 100755
--- a/Services/COPage/PC/Table/class.ilPCTableData.php
+++ b/Services/COPage/PC/Table/class.ilPCTableData.php
@@ -85,9 +85,7 @@ public function deleteRowContent(
             if ($td->hasAttribute("PCID")) {
                 $td->removeAttribute("PCID");
             }
-            foreach ($td->childNodes as $c) {
-                $td->removeChild($c);
-            }
+            $this->dom_util->deleteAllChilds($td);
         }
     }
 
@@ -97,9 +95,7 @@ public function deleteRowContent(
     public function deleteTDContent(
         DOMNode $a_td_node
     ): void {
-        foreach ($a_td_node->childNodes as $child) {
-            $a_td_node->removeChild($child);
-        }
+        $this->dom_util->deleteAllChilds($a_td_node);
     }
 
     public function deleteRow(): void