diff --git a/tools/unit-test-app/configs/default b/tools/unit-test-app/configs/default
index 2edd93d470..9d9c8a8ff2 100644
--- a/tools/unit-test-app/configs/default
+++ b/tools/unit-test-app/configs/default
@@ -2,3 +2,4 @@
 CONFIG_IDF_TARGET="esp32"
 TEST_COMPONENTS=freertos esp_hw_support esp_ipc esp_system esp_timer driver heap pthread soc spi_flash vfs
 CONFIG_ESP_TIMER_SUPPORTS_ISR_DISPATCH_METHOD=y
+# CONFIG_ESP32_WIFI_RX_IRAM_OPT is not set