diff --git a/ethdb/database.go b/ethdb/database.go
index 30f047e2cf..4d4817daf2 100644
--- a/ethdb/database.go
+++ b/ethdb/database.go
@@ -17,15 +17,7 @@
 // Package ethdb defines the interfaces for an Ethereum data store.
 package ethdb
 
-import (
-	"errors"
-	"io"
-)
-
-var (
-	// ErrNotFound is the errorcode if the requested key does not exist.
-	ErrNotFound = errors.New("not found")
-)
+import "io"
 
 // KeyValueReader wraps the Has and Get method of a backing data store.
 type KeyValueReader interface {