diff --git a/internal/signer/gpg.go b/internal/signer/gpg.go
index bd70e62..3262976 100644
--- a/internal/signer/gpg.go
+++ b/internal/signer/gpg.go
@@ -256,9 +256,4 @@ func (s *GPGSigner) GetPublicKey() ([]byte, error) {
 	}
 
 	return buf.Bytes(), nil
-}
-
-// NewNilSigner returns a nil signer (for unsigned repositories)
-func NewNilSigner() Signer {
-	return nil
-}
+}
\ No newline at end of file
diff --git a/internal/signer/rsa.go b/internal/signer/rsa.go
index 87db276..2096504 100644
--- a/internal/signer/rsa.go
+++ b/internal/signer/rsa.go
@@ -120,9 +120,4 @@ func (s *AlpineRSASigner) GetPublicKey() ([]byte, error) {
 	}
 
 	return pem.EncodeToMemory(block), nil
-}
-
-// NewNilRSASigner returns a nil RSA signer (for unsigned repositories)
-func NewNilRSASigner() RSASigner {
-	return nil
-}
+}
\ No newline at end of file