diff --git a/consensus/ethash/consensus.go b/consensus/ethash/consensus.go
index 16bb6b4fec..fb9a396ae4 100644
--- a/consensus/ethash/consensus.go
+++ b/consensus/ethash/consensus.go
@@ -63,7 +63,6 @@ var (
 // codebase, inherently breaking if the engine is swapped out. Please put common
 // error types into the consensus package.
 var (
-	errLargeBlockTime    = errors.New("timestamp too big")
 	errZeroBlockTime     = errors.New("timestamp equals parent's")
 	errTooManyUncles     = errors.New("too many uncles")
 	errDuplicateUncle    = errors.New("duplicate uncle")