diff --git a/src/main.cc b/src/main.cc
index cf575a1..a8a3d02 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -125,10 +125,7 @@ NAN_METHOD(convert_blob_fa) {
     if (!parse_and_validate_block_from_blob(input, b))
         return THROW_ERROR_EXCEPTION("Failed to parse block");
 
-    if (b.major_version < BLOCK_MAJOR_VERSION_2) {
-        if (!get_block_hashing_blob(b, output))
-            return THROW_ERROR_EXCEPTION("Failed to create mining block");
-    } else {
+     else {
         block parent_block;
         if (!construct_parent_block(b, parent_block))
             return THROW_ERROR_EXCEPTION("Failed to construct parent block");