From cfb22e33c948d57be518a4ecb0bd43f4f2705ad8 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Tue, 5 Aug 2025 16:22:32 -1000
Subject: [PATCH] [esp32_ble_tracker] Add missing USE_ESP32_BLE_DEVICE guard
 for already_discovered_ member (#10085)

---
 esphome/components/esp32_ble_tracker/esp32_ble_tracker.cpp | 4 ++++
 esphome/components/esp32_ble_tracker/esp32_ble_tracker.h   | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/esphome/components/esp32_ble_tracker/esp32_ble_tracker.cpp b/esphome/components/esp32_ble_tracker/esp32_ble_tracker.cpp
index 856ae82dca..6180c53ad8 100644
--- a/esphome/components/esp32_ble_tracker/esp32_ble_tracker.cpp
+++ b/esphome/components/esp32_ble_tracker/esp32_ble_tracker.cpp
@@ -241,7 +241,9 @@ void ESP32BLETracker::start_scan_(bool first) {
     for (auto *listener : this->listeners_)
       listener->on_scan_end();
   }
+#ifdef USE_ESP32_BLE_DEVICE
   this->already_discovered_.clear();
+#endif
   this->scan_params_.scan_type = this->scan_active_ ? BLE_SCAN_TYPE_ACTIVE : BLE_SCAN_TYPE_PASSIVE;
   this->scan_params_.own_addr_type = BLE_ADDR_TYPE_PUBLIC;
   this->scan_params_.scan_filter_policy = BLE_SCAN_FILTER_ALLOW_ALL;
@@ -839,7 +841,9 @@ bool ESP32BLETracker::process_scan_result_(const BLEScanResult &scan_result) {
 
 void ESP32BLETracker::cleanup_scan_state_(bool is_stop_complete) {
   ESP_LOGD(TAG, "Scan %scomplete, set scanner state to IDLE.", is_stop_complete ? "stop " : "");
+#ifdef USE_ESP32_BLE_DEVICE
   this->already_discovered_.clear();
+#endif
   this->cancel_timeout("scan");
 
   for (auto *listener : this->listeners_)
diff --git a/esphome/components/esp32_ble_tracker/esp32_ble_tracker.h b/esphome/components/esp32_ble_tracker/esp32_ble_tracker.h
index 1c28bc7a7d..b46c88b4de 100644
--- a/esphome/components/esp32_ble_tracker/esp32_ble_tracker.h
+++ b/esphome/components/esp32_ble_tracker/esp32_ble_tracker.h
@@ -282,8 +282,10 @@ class ESP32BLETracker : public Component,
 
   uint8_t app_id_{0};
 
+#ifdef USE_ESP32_BLE_DEVICE
   /// Vector of addresses that have already been printed in print_bt_device_info
   std::vector<uint64_t> already_discovered_;
+#endif
   std::vector<ESPBTDeviceListener *> listeners_;
   /// Client parameters.
   std::vector<ESPBTClient *> clients_;