diff --git a/src/core/mac/mac.hpp b/src/core/mac/mac.hpp
index d30b223a4..356610941 100644
--- a/src/core/mac/mac.hpp
+++ b/src/core/mac/mac.hpp
@@ -795,7 +795,7 @@ private:
 #if OPENTHREAD_FTD && OPENTHREAD_CONFIG_MAC_CSL_TRANSMITTER_ENABLE
     void ProcessCsl(const RxFrame &aFrame, const Address &aSrcAddr);
 #endif
-#if OPENTHREAD_CONFIG_MLE_LINK_METRICS_SUBJECT_ENABLE
+#if OPENTHREAD_CONFIG_MLE_LINK_METRICS_INITIATOR_ENABLE
     void ProcessEnhAckProbing(const RxFrame &aFrame, const Neighbor &aNeighbor);
 #endif
     static const char *OperationToString(Operation aOperation);
diff --git a/src/core/thread/topology.cpp b/src/core/thread/topology.cpp
index 10959f86f..651bf855a 100644
--- a/src/core/thread/topology.cpp
+++ b/src/core/thread/topology.cpp
@@ -176,7 +176,7 @@ void Neighbor::GenerateChallenge(void)
         Random::Crypto::FillBuffer(mValidPending.mPending.mChallenge, sizeof(mValidPending.mPending.mChallenge)));
 }
 
-#if OPENTHREAD_CONFIG_MLE_LINK_METRICS_INITIATOR_ENABLE || OPENTHREAD_CONFIG_MLE_LINK_METRICS_SUBJECT_ENABLE
+#if OPENTHREAD_CONFIG_MLE_LINK_METRICS_SUBJECT_ENABLE
 void Neighbor::AggregateLinkMetrics(uint8_t aSeriesId, uint8_t aFrameType, uint8_t aLqi, int8_t aRss)
 {
     for (LinkMetrics::SeriesInfo &entry : mLinkMetricsSeriesInfoList)
@@ -211,7 +211,7 @@ void Neighbor::RemoveAllForwardTrackingSeriesInfo(void)
         Get<LinkMetrics::Subject>().Free(*seriesInfo);
     }
 }
-#endif // OPENTHREAD_CONFIG_MLE_LINK_METRICS_INITIATOR_ENABLE || OPENTHREAD_CONFIG_MLE_LINK_METRICS_SUBJECT_ENABLE
+#endif // OPENTHREAD_CONFIG_MLE_LINK_METRICS_SUBJECT_ENABLE
 
 const char *Neighbor::StateToString(State aState)
 {