diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Dispatcher.c b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Dispatcher.c
index e09d2c9e57..b6d89be2b1 100644
--- a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Dispatcher.c
+++ b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Dispatcher.c
@@ -216,12 +216,10 @@ Tcp4FlushPcb (
   )
 {
   SOCKET           *Sock;
-  TCP4_PROTO_DATA  *TcpProto;
 
   IpIoConfigIp (Tcb->IpInfo, NULL);
 
   Sock     = Tcb->Sk;
-  TcpProto = (TCP4_PROTO_DATA *) Sock->ProtoReserved;
 
   if (SOCK_IS_CONFIGURED (Sock)) {
     RemoveEntryList (&Tcb->List);
diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Misc.c b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Misc.c
index 5b18d20497..3702bead50 100644
--- a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Misc.c
+++ b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Misc.c
@@ -356,7 +356,6 @@ TcpInsertTcb (
   LIST_ENTRY       *Entry;
   LIST_ENTRY       *Head;
   TCP_CB           *Node;
-  TCP4_PROTO_DATA  *TcpProto;
 
   ASSERT (
     (Tcb != NULL) &&
@@ -391,8 +390,6 @@ TcpInsertTcb (
 
   InsertHeadList (Head, &Tcb->List);
 
-  TcpProto = (TCP4_PROTO_DATA *) Tcb->Sk->ProtoReserved;
-
   return 0;
 }
 
diff --git a/MdeModulePkg/Universal/Network/Udp4Dxe/Udp4Impl.c b/MdeModulePkg/Universal/Network/Udp4Dxe/Udp4Impl.c
index ce952b1e2d..4f077d6b96 100644
--- a/MdeModulePkg/Universal/Network/Udp4Dxe/Udp4Impl.c
+++ b/MdeModulePkg/Universal/Network/Udp4Dxe/Udp4Impl.c
@@ -1894,4 +1894,5 @@ Udp4NetVectorExtFree (
   VOID  *Context
   )
 {
-}
\ No newline at end of file
+}
+
diff --git a/NetworkPkg/TcpDxe/TcpDispatcher.c b/NetworkPkg/TcpDxe/TcpDispatcher.c
index 9fe93f6e8b..7b3d14dace 100644
--- a/NetworkPkg/TcpDxe/TcpDispatcher.c
+++ b/NetworkPkg/TcpDxe/TcpDispatcher.c
@@ -304,12 +304,10 @@ TcpFlushPcb (
   )
 {
   SOCKET                    *Sock;
-  TCP_PROTO_DATA            *TcpProto;
 
   IpIoConfigIp (Tcb->IpInfo, NULL);
 
   Sock     = Tcb->Sk;
-  TcpProto = (TCP_PROTO_DATA *) Sock->ProtoReserved;
 
   if (SOCK_IS_CONFIGURED (Sock)) {
     RemoveEntryList (&Tcb->List);