diff --git a/lib/history.js b/lib/history.js
index b0aaf92..a5566ba 100644
--- a/lib/history.js
+++ b/lib/history.js
@@ -197,7 +197,6 @@ function compareBlocks(block1, block2)
 {
 	if( block1.hash 				!== block2.hash ||
 		block1.parentHash 			!== block2.parentHash ||
-		block1.nonce 				!== block2.nonce ||
 		block1.sha3Uncles 			!== block2.sha3Uncles ||
 		block1.transactionsRoot 	!== block2.transactionsRoot ||
 		block1.stateRoot 			!== block2.stateRoot ||