diff --git a/main/CMakeLists.txt b/main/CMakeLists.txt
index a86b1e8..4418178 100644
--- a/main/CMakeLists.txt
+++ b/main/CMakeLists.txt
@@ -14,8 +14,6 @@ idf_component_register(SRCS
                         "ui/widgets/ui_comp_hook.c"
                     PRIV_REQUIRES
                         bt
-                        esp_wifi
-                        esp_netif
                         nvs_flash
                         esp_driver_ledc
                         esp_driver_spi
diff --git a/main/app/app_main.c b/main/app/app_main.c
index 87b2d51..a02eb38 100644
--- a/main/app/app_main.c
+++ b/main/app/app_main.c
@@ -7,9 +7,12 @@
 #include "touch.h"
 #include "ui.h"
 #include "ui_handlers.h"
-#include "wifi_manager.h"
 #include "ble_manager.h"
 
+#if BOARD_WIFI_ENABLED
+#include "wifi_manager.h"
+#endif
+
 static const char *TAG = "app";
 
 void app_main(void)
@@ -39,8 +42,10 @@ void app_main(void)
 
     ui_handlers_init();
 
+#if BOARD_WIFI_ENABLED
     ESP_LOGI(TAG, "Starting WiFi");
     wifi_manager_init();
+#endif
 
     ESP_LOGI(TAG, "Starting BLE");
     ble_manager_init();
diff --git a/main/bsp/board_config.h b/main/bsp/board_config.h
index f28ca66..b738e5e 100644
--- a/main/bsp/board_config.h
+++ b/main/bsp/board_config.h
@@ -48,6 +48,9 @@
 /* BLE (ESP32-S3 built-in radio) */
 #define BOARD_BLE_ENABLED        1
 
+/* WiFi */
+#define BOARD_WIFI_ENABLED       0
+
 /* LVGL port */
 #define BOARD_LVGL_DRAW_BUF_LINES    20
 #define BOARD_LVGL_TICK_PERIOD_MS    2
diff --git a/main/services/wifi_manager.c b/main/services/wifi_manager.c
index 26c6337..a20ccc2 100644
--- a/main/services/wifi_manager.c
+++ b/main/services/wifi_manager.c
@@ -1,5 +1,9 @@
 #include "wifi_manager.h"
 
+#include "board_config.h"
+
+#if BOARD_WIFI_ENABLED
+
 #include "esp_event.h"
 #include "esp_log.h"
 #include "esp_netif.h"
@@ -114,3 +118,14 @@ void wifi_manager_init(void)
 
     ESP_LOGI(TAG, "WiFi STA started, connecting in background...");
 }
+
+#else
+
+#include "esp_log.h"
+
+void wifi_manager_init(void)
+{
+    ESP_LOGI("wifi_manager", "WiFi disabled by board config");
+}
+
+#endif /* BOARD_WIFI_ENABLED */
diff --git a/sdkconfig.defaults b/sdkconfig.defaults
index c4a1e49..c90c0d2 100644
--- a/sdkconfig.defaults
+++ b/sdkconfig.defaults
@@ -1,11 +1,11 @@
-CONFIG_ESP_WIFI_SOFTAP_SUPPORT=n
+# CONFIG_ESP_WIFI_ENABLED is not set
 CONFIG_ESP_LCD_TOUCH_CST816S_DISABLE_READ_ID=y
 
-# App partition: BLE + WiFi + LVGL exceed default 1MB
+# App partition: BLE + LVGL exceed default 1MB
 CONFIG_PARTITION_TABLE_SINGLE_APP=n
 CONFIG_PARTITION_TABLE_SINGLE_APP_LARGE=y
 
-# BLE (NimBLE peripheral, coexists with WiFi)
+# BLE (NimBLE peripheral)
 CONFIG_BT_ENABLED=y
 CONFIG_BT_NIMBLE_ENABLED=y
 CONFIG_BT_NIMBLE_50_FEATURE_SUPPORT=n