diff --git a/crypto/secp256k1/secp256.go b/crypto/secp256k1/secp256.go
index 60ae7d9e55..5726fb6bc6 100644
--- a/crypto/secp256k1/secp256.go
+++ b/crypto/secp256k1/secp256.go
@@ -48,7 +48,6 @@ var (
 	ErrInvalidSignatureLen = errors.New("invalid signature length")
 	ErrInvalidRecoveryID   = errors.New("invalid signature recovery id")
 	ErrInvalidKey          = errors.New("invalid private key")
-	ErrInvalidPubkey       = errors.New("invalid public key")
 	ErrSignFailed          = errors.New("signing failed")
 	ErrRecoverFailed       = errors.New("recovery failed")
 )