diff --git a/esphome/components/web_server/list_entities.cpp b/esphome/components/web_server/list_entities.cpp
index 8458298062..ebe7bf4450 100644
--- a/esphome/components/web_server/list_entities.cpp
+++ b/esphome/components/web_server/list_entities.cpp
@@ -14,8 +14,6 @@ ListEntitiesIterator::ListEntitiesIterator(const WebServer *ws, AsyncEventSource
 ListEntitiesIterator::ListEntitiesIterator(const WebServer *ws, DeferredUpdateEventSource *es)
     : web_server_(ws), events_(es) {}
 #endif
-ListEntitiesIterator::~ListEntitiesIterator() {}
-
 #ifdef USE_BINARY_SENSOR
 bool ListEntitiesIterator::on_binary_sensor(binary_sensor::BinarySensor *obj) {
   this->events_->deferrable_send_state(obj, "state_detail_all", WebServer::binary_sensor_all_json_generator);
diff --git a/esphome/components/web_server/list_entities.h b/esphome/components/web_server/list_entities.h
index d0a4fa2725..6a84066109 100644
--- a/esphome/components/web_server/list_entities.h
+++ b/esphome/components/web_server/list_entities.h
@@ -17,14 +17,13 @@ class DeferredUpdateEventSource;
 #endif
 class WebServer;
 
-class ListEntitiesIterator : public ComponentIterator {
+class ListEntitiesIterator final : public ComponentIterator {
  public:
 #ifdef USE_ESP32
   ListEntitiesIterator(const WebServer *ws, esphome::web_server_idf::AsyncEventSource *es);
 #elif defined(USE_ARDUINO)
   ListEntitiesIterator(const WebServer *ws, DeferredUpdateEventSource *es);
 #endif
-  virtual ~ListEntitiesIterator();
 #ifdef USE_BINARY_SENSOR
   bool on_binary_sensor(binary_sensor::BinarySensor *obj) override;
 #endif
diff --git a/esphome/components/web_server/web_server.h b/esphome/components/web_server/web_server.h
index 76c1c8b0bd..64c492f82b 100644
--- a/esphome/components/web_server/web_server.h
+++ b/esphome/components/web_server/web_server.h
@@ -107,7 +107,7 @@ enum JsonDetail { DETAIL_ALL, DETAIL_STATE };
 using message_generator_t = json::SerializationBuffer<>(WebServer *, void *);
 
 class DeferredUpdateEventSourceList;
-class DeferredUpdateEventSource : public AsyncEventSource {
+class DeferredUpdateEventSource final : public AsyncEventSource {
   friend class DeferredUpdateEventSourceList;
 
   /*
@@ -163,7 +163,7 @@ class DeferredUpdateEventSource : public AsyncEventSource {
   void try_send_nodefer(const char *message, const char *event = nullptr, uint32_t id = 0, uint32_t reconnect = 0);
 };
 
-class DeferredUpdateEventSourceList : public std::list<DeferredUpdateEventSource *> {
+class DeferredUpdateEventSourceList final : public std::list<DeferredUpdateEventSource *> {
  protected:
   void on_client_connect_(DeferredUpdateEventSource *source);
   void on_client_disconnect_(DeferredUpdateEventSource *source);
@@ -187,7 +187,7 @@ class DeferredUpdateEventSourceList : public std::list<DeferredUpdateEventSource
  * under the '/light/...', '/sensor/...', ... URLs. A full documentation for this API
  * can be found under https://esphome.io/web-api/.
  */
-class WebServer : public Controller, public Component, public AsyncWebHandler {
+class WebServer final : public Controller, public Component, public AsyncWebHandler {
 #if !defined(USE_ESP32) && defined(USE_ARDUINO)
   friend class DeferredUpdateEventSourceList;
 #endif