diff --git a/ext/dom/php_dom.c b/ext/dom/php_dom.c
index 8198afe5b8bad..346436a5627c0 100644
--- a/ext/dom/php_dom.c
+++ b/ext/dom/php_dom.c
@@ -478,6 +478,18 @@ static int dom_property_exists(zend_object *object, zend_string *name, int check
 }
 /* }}} */
 
+static void dom_unset_property(zend_object *object, zend_string *member, void **cache_slot)
+{
+	dom_object *obj = php_dom_obj_from_obj(object);
+
+	if (obj->prop_handler != NULL && zend_hash_exists(obj->prop_handler, member)) {
+		zend_throw_error(NULL, "Cannot unset %s::$%s", ZSTR_VAL(object->ce->name), ZSTR_VAL(member));
+		return;
+	}
+
+	zend_std_unset_property(object, member, cache_slot);
+}
+
 static HashTable* dom_get_debug_info_helper(zend_object *object, int *is_temp) /* {{{ */
 {
 	dom_object			*obj = php_dom_obj_from_obj(object);
@@ -755,6 +767,7 @@ PHP_MINIT_FUNCTION(dom)
 	dom_object_handlers.read_property = dom_read_property;
 	dom_object_handlers.write_property = dom_write_property;
 	dom_object_handlers.get_property_ptr_ptr = dom_get_property_ptr_ptr;
+	dom_object_handlers.unset_property = dom_unset_property;
 	dom_object_handlers.clone_obj = dom_objects_store_clone_obj;
 	dom_object_handlers.has_property = dom_property_exists;
 	dom_object_handlers.get_debug_info = dom_get_debug_info;
diff --git a/ext/dom/tests/unsetting_properties.phpt b/ext/dom/tests/unsetting_properties.phpt
new file mode 100644
index 0000000000000..ec309c18bf584
--- /dev/null
+++ b/ext/dom/tests/unsetting_properties.phpt
@@ -0,0 +1,32 @@
+--TEST--
+Unsetting properties
+--EXTENSIONS--
+dom
+--FILE--
+<?php
+
+class MyElement extends DOMElement {
+    public int $myProp = 3;
+}
+
+$dom = new DOMDocument;
+$dom->registerNodeClass('DOMElement', 'MyElement');
+$dom->loadXML('<root>foo</root>');
+$root = $dom->documentElement;
+
+unset($root->myProp);
+try {
+    $root->myProp;
+} catch (Error $e) {
+    echo $e->getMessage(), "\n";
+}
+try {
+    unset($root->textContent);
+} catch (Error $e) {
+    echo $e->getMessage(), "\n";
+}
+
+?>
+--EXPECT--
+Typed property MyElement::$myProp must not be accessed before initialization
+Cannot unset MyElement::$textContent