diff --git a/src/main.cpp b/src/main.cpp
index f6c30f2a7..812095d0e 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -381,14 +381,14 @@ void UpdateBlockAvailability(NodeId nodeid, const uint256 &hash) {
     CNodeState *state = State(nodeid);
     assert(state != NULL);
 
-    ProcessBlockAvailability(nodeid);
+    /*ProcessBlockAvailability(nodeid);
 
     BlockMap::iterator it = mapBlockIndex.find(hash);
-    if (it->size() != 0 && it != mapBlockIndex.end() && it->second->nChainWork > 0) {
+    if (it != mapBlockIndex.end() && it->second->nChainWork > 0) {
         // An actually better block was announced.
         if (state->pindexBestKnownBlock == NULL || it->second->nChainWork >= state->pindexBestKnownBlock->nChainWork)
             state->pindexBestKnownBlock = it->second;
-    } else
+    } else*/
     {
         // An unknown block was announced; just assume that the latest one is the best one.
         state->hashLastUnknownBlock = hash;