diff --git a/src/core/net/udp6.cpp b/src/core/net/udp6.cpp
index bb24e5030..05ba27bc9 100644
--- a/src/core/net/udp6.cpp
+++ b/src/core/net/udp6.cpp
@@ -175,8 +175,7 @@ Error Udp::Open(SocketHandle &aSocket, otUdpReceive aHandler, void *aContext)
 
     OT_ASSERT(!IsOpen(aSocket));
 
-    aSocket.GetSockName().Clear();
-    aSocket.GetPeerName().Clear();
+    aSocket.Clear();
     aSocket.mHandler = aHandler;
     aSocket.mContext = aContext;