diff --git a/crypto/hkdfchacha20poly1305/hkdfchachapoly_test.go b/crypto/hkdfchacha20poly1305/hkdfchachapoly_test.go
index 364d517f..fb9c4afc 100644
--- a/crypto/hkdfchacha20poly1305/hkdfchachapoly_test.go
+++ b/crypto/hkdfchacha20poly1305/hkdfchachapoly_test.go
@@ -33,7 +33,7 @@ func TestVector(t *testing.T) {
 		ct, _ := hex.DecodeString(cts[i])
 
 		byteArr := []byte{byte(i)}
-		nonce := make([]byte, 24, 24)
+		nonce := make([]byte, 24)
 		nonce[0] = byteArr[0]
 
 		plaintext, err := aead.Open(nil, nonce, ct, byteArr)