diff --git a/packages/ripple-binary-codec/src/types/currency.ts b/packages/ripple-binary-codec/src/types/currency.ts
index ee39ccc1..47fb309f 100644
--- a/packages/ripple-binary-codec/src/types/currency.ts
+++ b/packages/ripple-binary-codec/src/types/currency.ts
@@ -27,7 +27,9 @@ function isoCodeFromHex(code: Buffer): string | undefined {
   const iso = code.toString();
   console.log(iso);
   if (iso === "XRP") {
-    throw new Error("Disallowed currency code: to indicate the currency XRP you must use 20 bytes of 0s");
+    throw new Error(
+      "Disallowed currency code: to indicate the currency XRP you must use 20 bytes of 0s"
+    );
   }
   if (isIsoCode(iso)) {
     return iso;
@@ -81,24 +83,10 @@ function bytesFromRepresentation(input: string): Buffer {
 class Currency extends Hash160 {
   static readonly XRP = new Currency(Buffer.alloc(20));
   private readonly _iso?: string;
-  // private readonly _isNative: boolean;
 
   constructor(byteBuf: Buffer) {
     super(byteBuf ?? Currency.XRP.bytes);
-
-    // let onlyISO = true;
-
-    // const bytes = this.bytes;
     const code = this.bytes.slice(12, 15);
-    // const iso = code.toString();
-
-    
-    // for (let i = bytes.length - 1; i >= 0; i--) {
-    //   if (bytes[i] !== 0 && !(i === 12 || i === 13 || i === 14)) {
-    //     onlyISO = false;
-    //     break;
-    //   }
-    // }
 
     if (this.bytes[0] !== 0 && this.bytes[0] !== 0) {
       this._iso = undefined;
@@ -107,21 +95,8 @@ class Currency extends Hash160 {
     } else {
       this._iso = isoCodeFromHex(code);
     }
-
-    // const lossLessISO = onlyISO && iso !== "XRP" && ISO_REGEX.test(iso);
-    // this._isNative = onlyISO && code.toString("hex") === "000000";
-    // this._iso = this._isNative ? "XRP" : lossLessISO ? iso : undefined;
   }
 
-  // /**
-  //  * Tells if this currency is native
-  //  *
-  //  * @returns true if native, false if not
-  //  */
-  // isNative(): boolean {
-  //   return this._isNative;
-  // }
-
   /**
    * Return the ISO code of this currency
    *