diff --git a/tools/unit-test-app/components/test_utils/CMakeLists.txt b/tools/unit-test-app/components/test_utils/CMakeLists.txt
index 50efbdbbb7..f8ff927153 100644
--- a/tools/unit-test-app/components/test_utils/CMakeLists.txt
+++ b/tools/unit-test-app/components/test_utils/CMakeLists.txt
@@ -1,4 +1,4 @@
-set(COMPONENT_SRCS "ref_clock.c"
+set(COMPONENT_SRCS "ref_clock_${CONFIG_IDF_TARGET}.c"
                    "test_runner.c"
                    "test_utils.c")
 set(COMPONENT_ADD_INCLUDEDIRS include)
diff --git a/tools/unit-test-app/components/test_utils/component.mk b/tools/unit-test-app/components/test_utils/component.mk
index e69de29bb2..0123566204 100644
--- a/tools/unit-test-app/components/test_utils/component.mk
+++ b/tools/unit-test-app/components/test_utils/component.mk
@@ -0,0 +1 @@
+COMPONENT_OBJEXCLUDE := ref_clock_esp32s2beta.o
diff --git a/tools/unit-test-app/components/test_utils/ref_clock.c b/tools/unit-test-app/components/test_utils/ref_clock_esp32.c
similarity index 99%
rename from tools/unit-test-app/components/test_utils/ref_clock.c
rename to tools/unit-test-app/components/test_utils/ref_clock_esp32.c
index c66ff28b9e..0793a7eb4e 100644
--- a/tools/unit-test-app/components/test_utils/ref_clock.c
+++ b/tools/unit-test-app/components/test_utils/ref_clock_esp32.c
@@ -35,8 +35,6 @@
 #include "soc/pcnt_periph.h"
 #include "soc/gpio_periph.h"
 #include "soc/dport_reg.h"
-#include "esp32/rom/gpio.h"
-#include "esp32/rom/ets_sys.h"
 #include "esp_intr_alloc.h"
 #include "freertos/FreeRTOS.h"
 #include "driver/periph_ctrl.h"
diff --git a/tools/unit-test-app/components/test_utils/ref_clock_esp32s2beta.c b/tools/unit-test-app/components/test_utils/ref_clock_esp32s2beta.c
new file mode 100644
index 0000000000..deaef88af4
--- /dev/null
+++ b/tools/unit-test-app/components/test_utils/ref_clock_esp32s2beta.c
@@ -0,0 +1 @@
+#warning "unit_test_app ref_clock not implemented for esp32s2beta"
diff --git a/tools/unit-test-app/components/test_utils/test_utils.c b/tools/unit-test-app/components/test_utils/test_utils.c
index fc16db9f03..8ad567f7a3 100644
--- a/tools/unit-test-app/components/test_utils/test_utils.c
+++ b/tools/unit-test-app/components/test_utils/test_utils.c
@@ -15,8 +15,6 @@
 #include <string.h>
 #include "unity.h"
 #include "test_utils.h"
-#include "esp32/rom/ets_sys.h"
-#include "esp32/rom/uart.h"
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
 #include "tcpip_adapter.h"