diff --git a/src/main.cpp b/src/main.cpp
index ef0fcfbba..20ea1112f 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -7672,31 +7672,6 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
                 Misbehaving(pfrom->GetId(), nDoS);
             }
         }
-
-    } else if (strCommand == NetMsgType::MEMPOOL) {
-        LOCK2(cs_main, pfrom->cs_filter);
-        //LogPrintf("%s: mempool request from %s",__func__, pfrom->addr.ToString().c_str());
-        // TODO: limit mempool requests per time and per peer
-
-        std::vector<uint256> vtxid;
-        mempool.queryHashes(vtxid);
-        vector<CInv> vInv;
-        BOOST_FOREACH(uint256& hash, vtxid) {
-            CInv inv(MSG_TX, hash);
-            if (pfrom->pfilter) {
-                CTransaction tx;
-                bool fInMemPool = mempool.lookup(hash, tx);
-                if (!fInMemPool) continue; // another thread removed since queryHashes, maybe...
-                if (!pfrom->pfilter->IsRelevantAndUpdate(tx)) continue;
-            }
-            vInv.push_back(inv);
-            if (vInv.size() == MAX_INV_SZ) {
-                pfrom->PushMessage(NetMsgType::INV, vInv);
-                vInv.clear();
-            }
-        }
-        if (vInv.size() > 0)
-            pfrom->PushMessage(NetMsgType::INV, vInv);
     } else if (strCommand == NetMsgType::ALERT) {
 	// Small DoS penalty so peers that send us lots of
 	// duplicate/expired/invalid-signature/whatever alerts
diff --git a/src/protocol.cpp b/src/protocol.cpp
index 5aa3a7dd6..326cb6193 100644
--- a/src/protocol.cpp
+++ b/src/protocol.cpp
@@ -51,7 +51,6 @@ const char *TX="tx"; //used
 const char *HEADERS="headers"; //used
 const char *BLOCK="block"; //used
 const char *GETADDR="getaddr"; //used
-const char *MEMPOOL="mempool"; //used
 const char *PING="ping"; //used
 const char *PONG="pong"; //used
 const char *NOTFOUND="notfound"; //used
@@ -96,7 +95,6 @@ const static std::string allNetMessageTypes[] = {
     NetMsgType::HEADERS,
     NetMsgType::BLOCK,
     NetMsgType::GETADDR,
-    NetMsgType::MEMPOOL,
     NetMsgType::PING,
     NetMsgType::PONG,
     NetMsgType::NOTFOUND,
diff --git a/src/protocol.h b/src/protocol.h
index 3cd06fc88..f91e5e70e 100644
--- a/src/protocol.h
+++ b/src/protocol.h
@@ -158,12 +158,6 @@ extern const char* BLOCK;
  * preferably one with lots of IP addresses of other receiving nodes.
  */
 extern const char* GETADDR;
-/**
- * The mempool message requests the TXIDs of transactions that the receiving
- * node has verified as valid but which have not yet appeared in a block.
- * @since protocol version 60002.
- */
-extern const char* MEMPOOL;
 /**
  * The ping message is sent periodically to help confirm that the receiving
  * peer is still connected.