From 83484a8828f2bb4936e41d069700c3b12cf2fa49 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Tue, 17 Mar 2026 13:38:41 -1000
Subject: [PATCH] [esp32_ble_server] Remove vestigial semaphore from
 BLECharacteristic (#14900)

---
 .../components/esp32_ble_server/ble_characteristic.cpp | 10 +---------
 .../components/esp32_ble_server/ble_characteristic.h   |  4 ----
 2 files changed, 1 insertion(+), 13 deletions(-)

diff --git a/esphome/components/esp32_ble_server/ble_characteristic.cpp b/esphome/components/esp32_ble_server/ble_characteristic.cpp
index 1806354712..aa82b773ba 100644
--- a/esphome/components/esp32_ble_server/ble_characteristic.cpp
+++ b/esphome/components/esp32_ble_server/ble_characteristic.cpp
@@ -16,13 +16,9 @@ BLECharacteristic::~BLECharacteristic() {
   for (auto *descriptor : this->descriptors_) {
     delete descriptor;  // NOLINT(cppcoreguidelines-owning-memory)
   }
-  vSemaphoreDelete(this->set_value_lock_);
 }
 
 BLECharacteristic::BLECharacteristic(const ESPBTUUID uuid, uint32_t properties) : uuid_(uuid) {
-  this->set_value_lock_ = xSemaphoreCreateBinary();
-  xSemaphoreGive(this->set_value_lock_);
-
   this->properties_ = (esp_gatt_char_prop_t) 0;
 
   this->set_broadcast_property((properties & PROPERTY_BROADCAST) != 0);
@@ -35,11 +31,7 @@ BLECharacteristic::BLECharacteristic(const ESPBTUUID uuid, uint32_t properties)
 
 void BLECharacteristic::set_value(ByteBuffer buffer) { this->set_value(buffer.get_data()); }
 
-void BLECharacteristic::set_value(std::vector<uint8_t> &&buffer) {
-  xSemaphoreTake(this->set_value_lock_, 0L);
-  this->value_ = std::move(buffer);
-  xSemaphoreGive(this->set_value_lock_);
-}
+void BLECharacteristic::set_value(std::vector<uint8_t> &&buffer) { this->value_ = std::move(buffer); }
 
 void BLECharacteristic::set_value(std::initializer_list<uint8_t> data) {
   this->set_value(std::vector<uint8_t>(data));  // Delegate to move overload
diff --git a/esphome/components/esp32_ble_server/ble_characteristic.h b/esphome/components/esp32_ble_server/ble_characteristic.h
index 72897d1dfb..062052cdf8 100644
--- a/esphome/components/esp32_ble_server/ble_characteristic.h
+++ b/esphome/components/esp32_ble_server/ble_characteristic.h
@@ -16,8 +16,6 @@
 #include <esp_gattc_api.h>
 #include <esp_gatts_api.h>
 #include <esp_bt_defs.h>
-#include <freertos/FreeRTOS.h>
-#include <freertos/semphr.h>
 
 namespace esphome {
 namespace esp32_ble_server {
@@ -84,8 +82,6 @@ class BLECharacteristic {
 
   uint16_t value_read_offset_{0};
   std::vector<uint8_t> value_;
-  SemaphoreHandle_t set_value_lock_;
-
   std::vector<BLEDescriptor *> descriptors_;
 
   struct ClientNotificationEntry {