diff --git a/tests/fuzz/fuzzer_platform.c b/tests/fuzz/fuzzer_platform.c
index 69cfdd900..3dad9152a 100644
--- a/tests/fuzz/fuzzer_platform.c
+++ b/tests/fuzz/fuzzer_platform.c
@@ -344,6 +344,20 @@ otError otPlatRadioSetTransmitPower(otInstance *aInstance, int8_t aPower)
     return OT_ERROR_NOT_IMPLEMENTED;
 }
 
+otError otPlatRadioGetCcaEnergyDetectThreshold(otInstance *aInstance, int8_t *aThreshold)
+{
+    OT_UNUSED_VARIABLE(aInstance);
+    OT_UNUSED_VARIABLE(aThreshold);
+    return OT_ERROR_NOT_IMPLEMENTED;
+}
+
+otError otPlatRadioSetCcaEnergyDetectThreshold(otInstance *aInstance, int8_t aThreshold)
+{
+    OT_UNUSED_VARIABLE(aInstance);
+    OT_UNUSED_VARIABLE(aThreshold);
+    return OT_ERROR_NOT_IMPLEMENTED;
+}
+
 int8_t otPlatRadioGetReceiveSensitivity(otInstance *aInstance)
 {
     OT_UNUSED_VARIABLE(aInstance);