diff --git a/src/core/thread/topology.hpp b/src/core/thread/topology.hpp
index 5956a83bb..9a93c89a3 100644
--- a/src/core/thread/topology.hpp
+++ b/src/core/thread/topology.hpp
@@ -163,14 +163,6 @@ public:
      */
     void ClearExtAddress(void) { memset(&mMacAddr, 0, sizeof(mMacAddr)); }
 
-    /**
-     * This method returns the Extended Address.
-     *
-     * @returns A reference to the Extended Address.
-     *
-     */
-    Mac::ExtAddress &GetExtAddress(void) { return mMacAddr; }
-
     /**
      * This method returns the Extended Address.
      *