diff --git a/src/cmd_pivsign.rs b/src/cmd_pivsign.rs
index f079fa0..f589768 100644
--- a/src/cmd_pivsign.rs
+++ b/src/cmd_pivsign.rs
@@ -82,9 +82,6 @@ fn pkcs1_padding_for_sign(bs: &[u8], bit_len: usize) -> XResult<Vec<u8>> {
     output.push(0x00);
     output.push(0x01);
     let ps_len = byte_len - bs.len() - (1 + 1 + 1);
-    // for _ in 0..ps_len {
-    //     output.push(0xff);
-    // }
     output.extend_from_slice(&vec![0xff_u8; ps_len]);
     output.push(0x00);
     output.extend_from_slice(bs);