diff --git a/cmd/ethereum/flags.go b/cmd/ethereum/flags.go
index fe848397cf..a3004f503a 100644
--- a/cmd/ethereum/flags.go
+++ b/cmd/ethereum/flags.go
@@ -134,7 +134,6 @@ func Init() {
 
 	flag.StringVar(&BootNodes, "bootnodes", "", "space-separated node URLs for discovery bootstrap")
 	flag.IntVar(&MaxPeer, "maxpeer", 30, "maximum desired peers")
-	flag.IntVar(&MinerThreads, "minerthreads", runtime.NumCPU(), "number of miner threads")
 
 	flag.Parse()