diff --git a/tests/nexus/platform/nexus_radio.cpp b/tests/nexus/platform/nexus_radio.cpp
index 72a3db22f..45fed2c80 100644
--- a/tests/nexus/platform/nexus_radio.cpp
+++ b/tests/nexus/platform/nexus_radio.cpp
@@ -140,6 +140,8 @@ otRadioFrame *otPlatRadioGetTransmitBuffer(otInstance *aInstance) { return &AsNo
 
 otError otPlatRadioTransmit(otInstance *aInstance, otRadioFrame *aFrame)
 {
+    OT_UNUSED_VARIABLE(aFrame);
+
     Error  error = kErrorNone;
     Radio &radio = AsNode(aInstance).mRadio;