From efe3ffe1da67ea5cff06732b436fbd30db94d2fc Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Fri, 6 Jun 2025 19:28:36 +0100
Subject: [PATCH] remove unused timestamp

---
 esphome/components/api/api_connection.cpp | 6 +++---
 esphome/components/api/api_connection.h   | 5 ++---
 2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/esphome/components/api/api_connection.cpp b/esphome/components/api/api_connection.cpp
index 4ea56f4810..da5554f486 100644
--- a/esphome/components/api/api_connection.cpp
+++ b/esphome/components/api/api_connection.cpp
@@ -1707,17 +1707,17 @@ void APIConnection::on_fatal_error() {
 void APIConnection::DeferredBatch::add_item(EntityBase *entity, MessageCreator creator, uint16_t message_type) {
   // Check if we already have a message of this type for this entity
   // This provides deduplication per entity/message_type combination
+  // O(n) but optimized for RAM and not performance.
   for (auto &item : items) {
     if (item.entity == entity && item.message_type == message_type) {
-      // Update the existing item with the new creator and timestamp
+      // Update the existing item with the new creator
       item.creator = std::move(creator);
-      item.timestamp = App.get_loop_component_start_time();
       return;
     }
   }
 
   // No existing item found, add new one
-  items.emplace_back(entity, std::move(creator), App.get_loop_component_start_time(), message_type);
+  items.emplace_back(entity, std::move(creator), message_type);
 }
 
 bool APIConnection::schedule_batch_() {
diff --git a/esphome/components/api/api_connection.h b/esphome/components/api/api_connection.h
index c39c8fa7e2..ca21d591af 100644
--- a/esphome/components/api/api_connection.h
+++ b/esphome/components/api/api_connection.h
@@ -488,14 +488,13 @@ class APIConnection : public APIServerConnection {
     struct BatchItem {
       EntityBase *entity;      // Entity pointer
       MessageCreator creator;  // Function that creates the message when needed
-      uint32_t timestamp;      // When this update was queued
       uint16_t message_type;   // Message type for overhead calculation
 
       // Constructor for creating BatchItem
       BatchItem(EntityBase *entity,
                 std::function<EncodedMessage(EntityBase *, APIConnection *, uint32_t, bool)> creator,
-                uint32_t timestamp, uint16_t message_type)
-          : entity(entity), creator(std::move(creator)), timestamp(timestamp), message_type(message_type) {}
+                uint16_t message_type)
+          : entity(entity), creator(std::move(creator)), message_type(message_type) {}
     };
 
     std::vector<BatchItem> items;