diff --git a/src/main.cpp b/src/main.cpp
index 9bcab1b17..80bf7ea52 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3406,6 +3406,7 @@ bool AcceptBlockHeader(const CBlockHeader& block, CValidationState& state, CBloc
             *ppindex = pindex;
         if (pindex != 0 && pindex->nStatus & BLOCK_FAILED_MASK)
             return state.Invalid(error("%s: block is marked invalid", __func__), 0, "duplicate");
+#ifdef notnow
         if ( pindex != 0 && IsInitialBlockDownload() == 0 ) // jl777
         {
             if (!CheckBlockHeader(pindex->nHeight,pindex, block, state))
@@ -3441,6 +3442,7 @@ bool AcceptBlockHeader(const CBlockHeader& block, CValidationState& state, CBloc
         }
         if ( pindex != *ppindex )
             fprintf(stderr,"return true ht.%d pindex.%p ppindex.%p\n",pindex->nHeight,pindex,*ppindex);
+#endif
         return true;
     }