diff --git a/jar.go b/jar.go
index 51968fd..9dc4c42 100644
--- a/jar.go
+++ b/jar.go
@@ -7,56 +7,30 @@ import (
 	"archive/zip"
 	"errors"
 	"io"
-	"regexp"
 )
 
 const indexPath = "index-v1.json"
 
-var (
-	sigRegex = regexp.MustCompile(`^META-INF/.*\.(DSA|EC|RSA)$`)
-
-	ErrNoIndex     = errors.New("no json index found inside jar")
-	ErrNoSigs      = errors.New("no jar signatures found")
-	ErrTooManySigs = errors.New("multiple jar signatures found")
-)
-
-func verifySignature(pubkey []byte, sig io.Reader) error {
-	// TODO: Implement
-	return nil
-}
+var ErrNoIndex = errors.New("no json index found inside jar")
 
 func LoadIndexJar(r io.ReaderAt, size int64, pubkey []byte) (*Index, error) {
 	reader, err := zip.NewReader(r, size)
 	if err != nil {
 		return nil, err
 	}
-	var index, sig io.ReadCloser
+	var index io.ReadCloser
 	for _, f := range reader.File {
 		if f.Name == indexPath {
 			index, err = f.Open()
 			if err != nil {
 				return nil, err
 			}
-		} else if sigRegex.MatchString(f.Name) {
-			if sig != nil {
-				return nil, ErrTooManySigs
-			}
-			sig, err = f.Open()
-			if err != nil {
-				return nil, err
-			}
+			break
 		}
 	}
 	if index == nil {
 		return nil, ErrNoIndex
 	}
 	defer index.Close()
-	if sig == nil {
-		return nil, ErrNoSigs
-	}
-	defer sig.Close()
-	if err := verifySignature(pubkey, sig); err != nil {
-		return nil, err
-	}
 	return LoadIndexJSON(index)
 }