diff --git a/common/types.go b/common/types.go
index 2d6a5ce48e..12c26d94bc 100644
--- a/common/types.go
+++ b/common/types.go
@@ -119,11 +119,6 @@ func (h Hash) Generate(rand *rand.Rand, size int) reflect.Value {
 	return reflect.ValueOf(h)
 }
 
-// EmptyHash checks whether h is the zero hash.
-func EmptyHash(h Hash) bool {
-	return h == Hash{}
-}
-
 // UnprefixedHash allows marshaling a Hash without 0x prefix.
 type UnprefixedHash Hash