diff --git a/modbus_uart.txt b/modbus_uart.txt
deleted file mode 100644
index c87e8a2..0000000
--- a/modbus_uart.txt
+++ /dev/null
@@ -1,32 +0,0 @@
-if (cfg->rtu.de_pin >= 0)
-    {
-        ret = uart_set_mode(uart_num, UART_MODE_RS485_HALF_DUPLEX);
-        if (ret != ESP_OK)
-        {
-            ESP_LOGE(TAG, "uart_set_mode(RS485_HALF_DUPLEX) failed: %s", esp_err_to_name(ret));
-            return ret;
-        }
-
-        ESP_LOGI(TAG, "UART RS485 half-duplex mode enabled (DE pin=%d)", cfg->rtu.de_pin);
-    }
-    else
-    {
-        ESP_LOGI(TAG, "UART normal mode enabled (shield auto-direction assumed)");
-    }
-
-    if (resp_len > 0U)
-        {
-            int written = uart_write_bytes(g_rtu_ctx.uart_num,
-                                           (const char *)tx_buf,
-                                           (uint32_t)resp_len);
-
-            ESP_LOGI(TAG, "UART wrote %d bytes", written);
-
-            if (written < 0)
-            {
-                ESP_LOGW(TAG, "uart_write_bytes failed");
-                continue;
-            }
-
-            ESP_ERROR_CHECK(uart_wait_tx_done(g_rtu_ctx.uart_num, pdMS_TO_TICKS(100)));
-        }
\ No newline at end of file