diff -uNr a/bitcoin/src/main.cpp b/bitcoin/src/main.cpp
--- a/bitcoin/src/main.cpp d49e7aaab38507fd69e6629b8baae80bc87d2071c842c8ede6f2d8e54f87e7d439c79b9a38ad94591e6fd5cf96196f2221426a4c8a2ffb282030fbcf810c18fb
+++ b/bitcoin/src/main.cpp 37cb05d7ef2bc58e80dc0598931d41e3e1c541f5c1f349d581910ecdf4ca835265ba551169610511d8b16a9bc53789a77c3cdbe3f797aadb2f67ffd59a88ac74
@@ -2102,12 +2102,6 @@
             tracker.fn(tracker.param1, vRecv);
     }
 
-
-    else if (strCommand == "ping")
-    {
-    }
-
-
     else
     {
       // He who comes to us with a turd, by the turd shall perish.
@@ -2252,10 +2246,6 @@
         if (pto->nVersion == 0)
             return true;
 
-        // Keep-alive ping
-        if (pto->nLastSend && GetTime() - pto->nLastSend > 30 * 60 && pto->vSend.empty())
-            pto->PushMessage("ping");
-
         // Resend wallet transactions that haven't gotten in a block yet
         ResendWalletTransactions();