diff --git a/components/hal/platform_port/include/hal/assert.h b/components/hal/platform_port/include/hal/assert.h
index 19847d9936..48e5c3ba65 100644
--- a/components/hal/platform_port/include/hal/assert.h
+++ b/components/hal/platform_port/include/hal/assert.h
@@ -38,7 +38,7 @@ extern void abort(void);
 #elif CONFIG_HAL_DEFAULT_ASSERTION_LEVEL == 2 // full assertion
 #define HAL_ASSERT(__e) (__builtin_expect(!!(__e), 1) ? (void)0 : __assert_func(__FILE__, __LINE__, __ASSERT_FUNC, #__e))
 #else // no assert
-#define HAL_ASSERT(__e) ((void)(__e))
+#define HAL_ASSERT(__e) (__builtin_expect(!!(__e), 1) ? (void)0 : __builtin_unreachable())
 #endif
 
 #ifdef __cplusplus
diff --git a/tools/test_apps/system/cxx_pthread_bluetooth/sdkconfig.defaults b/tools/test_apps/system/cxx_pthread_bluetooth/sdkconfig.defaults
index 6a7406f9e9..3a70f4c6aa 100644
--- a/tools/test_apps/system/cxx_pthread_bluetooth/sdkconfig.defaults
+++ b/tools/test_apps/system/cxx_pthread_bluetooth/sdkconfig.defaults
@@ -1,3 +1,6 @@
 CONFIG_PARTITION_TABLE_OFFSET=0x9000
 CONFIG_BT_ENABLED=y
 CONFIG_FREERTOS_TASK_FUNCTION_WRAPPER=n
+
+# want to test clang build with HAL assertion disabled
+CONFIG_HAL_ASSERTION_DISABLE=y