diff --git a/lib/bcoin/script.js b/lib/bcoin/script.js
index e40c3d0b..ff0d6775 100644
--- a/lib/bcoin/script.js
+++ b/lib/bcoin/script.js
@@ -37,9 +37,6 @@ script.decode = function decode(s) {
 
     var opcode = constants.opcodesByVal[b];
     if (opcode === 'pushdata1') {
-      // NOTE: pushdata1 could be substituted with 0x01-0x4b
-      // later if less than or equal to 0x4b.
-      // bad when passed back into encode().
       var len = s[i];
       i += 1;
       opcodes.push(s.slice(i, i + len));
@@ -49,8 +46,6 @@ script.decode = function decode(s) {
         len: len
       });
     } else if (opcode === 'pushdata2') {
-      // NOTE: len could theoretically be less than 0xffff
-      // here. bad when passed back into encode().
       var len = utils.readU16(s, i);
       i += 2;
       opcodes.push(s.slice(i, i + len));
@@ -60,8 +55,6 @@ script.decode = function decode(s) {
         len: len
       });
     } else if (opcode === 'pushdata4') {
-      // NOTE: len could theoretically be less than 0xffffffff
-      // here. bad when passed back into encode().
       var len = utils.readU32(s, i);
       i += 4;
       opcodes.push(s.slice(i, i + len));