diff --git a/src/core/thread/mle.cpp b/src/core/thread/mle.cpp
index 6296a5c11..9f4b812b4 100644
--- a/src/core/thread/mle.cpp
+++ b/src/core/thread/mle.cpp
@@ -4076,7 +4076,7 @@ const char *Mle::RoleToString(otDeviceRole aRole)
     return roleString;
 }
 
-#if (OPENTHREAD_CONFIG_LOG_LEVEL >= OT_LOG_LEVEL_INFO) && (OPENTHREAD_CONFIG_LOG_MLE == 1)
+#if (OPENTHREAD_CONFIG_LOG_LEVEL >= OT_LOG_LEVEL_NOTE) && (OPENTHREAD_CONFIG_LOG_MLE == 1)
 const char *Mle::AttachModeToString(AttachMode aMode)
 {
     const char *str = "unknown";
@@ -4171,7 +4171,7 @@ const char *Mle::ReattachStateToString(ReattachState aState)
     return str;
 }
 
-#endif // (OPENTHREAD_CONFIG_LOG_LEVEL >= OT_LOG_LEVEL_INFO) && (OPENTHREAD_CONFIG_LOG_MLE == 1)
+#endif // (OPENTHREAD_CONFIG_LOG_LEVEL >= OT_LOG_LEVEL_NOTE) && (OPENTHREAD_CONFIG_LOG_MLE == 1)
 
 } // namespace Mle
 } // namespace ot
diff --git a/src/core/thread/mle.hpp b/src/core/thread/mle.hpp
index 3faba95f8..75bf425d6 100644
--- a/src/core/thread/mle.hpp
+++ b/src/core/thread/mle.hpp
@@ -1522,7 +1522,7 @@ protected:
      */
     void InformPreviousChannel(void);
 
-#if (OPENTHREAD_CONFIG_LOG_LEVEL >= OT_LOG_LEVEL_INFO) && (OPENTHREAD_CONFIG_LOG_MLE == 1)
+#if (OPENTHREAD_CONFIG_LOG_LEVEL >= OT_LOG_LEVEL_NOTE) && (OPENTHREAD_CONFIG_LOG_MLE == 1)
     /**
      * This method converts an `AttachMode` enumeration value into a human-readable string.
      *