diff --git a/kms/yubikey/yubikey_no_cgo.go b/kms/yubikey/yubikey_no_cgo.go
index 2d6f7bfa..916cf151 100644
--- a/kms/yubikey/yubikey_no_cgo.go
+++ b/kms/yubikey/yubikey_no_cgo.go
@@ -11,8 +11,6 @@ import (
 	"github.com/smallstep/certificates/kms/apiv1"
 )
 
-// +build !cgo
-
 // YubiKey implements the KMS interface on a YubiKey.
 type YubiKey struct{}