diff --git a/main/display/lvgl_handler.cpp b/main/display/lvgl_handler.cpp
index 26bcdb1..bac0286 100644
--- a/main/display/lvgl_handler.cpp
+++ b/main/display/lvgl_handler.cpp
@@ -11,12 +11,7 @@
 
 LVGLHandler::LVGLHandler(
   std::unique_ptr<EInkDisplayHandler> display_handler_in
-) : display_handler_(std::move(display_handler_in)) {
-  lvgl_mutex_ = xSemaphoreCreateMutex();
-  if (lvgl_mutex_ == nullptr) {
-    ESP_LOGE(TAG, "Failed to create LVGL mutex");
-  }
-}
+) : display_handler_(std::move(display_handler_in)) { }
 
 LVGLHandler::~LVGLHandler() {
   if (lvgl_display_ != nullptr) {
@@ -35,10 +30,6 @@ LVGLHandler::~LVGLHandler() {
     heap_caps_free(framebuffer_);
     framebuffer_ = nullptr;
   }
-  if (lvgl_mutex_ != nullptr) {
-    vSemaphoreDelete(lvgl_mutex_);
-    lvgl_mutex_ = nullptr;
-  }
 }
 
 esp_err_t LVGLHandler::initLVGL(EventGroupHandle_t system_event_group) {
@@ -111,13 +102,6 @@ void LVGLHandler::flush_cb_(lv_display_t* disp, const lv_area_t* area, uint8_t*
   uint8_t* pixel_data = px_map + 8; // Skip palette
   //
   ESP_LOGI(TAG, "Flush callback: x1=%d, y1=%d, x2=%d, y2=%d", area->x1, area->y1, area->x2, area->y2);
-  // take mutex
-  SemaphoreGuard guard(handler->lvgl_mutex_);
-  if (!guard.take(pdMS_TO_TICKS(5000))) {
-    ESP_LOGE(TAG, "LVGL mutex timeout in flush callback");
-    lv_display_flush_ready(disp);
-    return;
-  }
 
   // copy data to framebuffer
   int32_t area_w = lv_area_get_width(area);