diff --git a/cmd/cosign/cli/sign/sign_blob.go b/cmd/cosign/cli/sign/sign_blob.go
index d8b294b76b1d..ebe803513342 100644
--- a/cmd/cosign/cli/sign/sign_blob.go
+++ b/cmd/cosign/cli/sign/sign_blob.go
@@ -37,7 +37,7 @@ import (
 )
 
 // nolint
-func SignBlobCmd(ro *options.RootOptions, ko options.KeyOpts, regOpts options.RegistryOptions, payloadPath string, b64 bool, outputSignature string, outputCertificate string, tlogUpload bool) ([]byte, error) {
+func SignBlobCmd(ro *options.RootOptions, ko options.KeyOpts, payloadPath string, b64 bool, outputSignature string, outputCertificate string, tlogUpload bool) ([]byte, error) {
 	var payload internal.HashReader
 	var err error
 	var rekorBytes []byte