diff --git a/bin/tweetnacl-esm.ts b/bin/tweetnacl-esm.ts
index 77a4a9a..6c025fc 100644
--- a/bin/tweetnacl-esm.ts
+++ b/bin/tweetnacl-esm.ts
@@ -34,22 +34,7 @@ async function copyFromModulesDir(
 
 await copyFromModulesDir(
   "nacl.js",
-  `
-// added by nkeys.js
-// shim for crypto.randomBytes on nodejs when using the 
-// esm module of the nkeys.js library
-if (!globalThis.crypto) {
-  if (typeof module === "undefined") {
-    globalThis.crypto = {
-      randomBytes: (a) => {
-        for (let i = 0; i < a.length; i++) {
-          a[i] = Math.floor(256 * Math.random());
-        }
-      },
-    };
-  }
-}
-`,
+  "",
   `
 //added by nkeys.js export it
 export const nacl = globalThis.nacl;
diff --git a/modules/esm/nacl.js b/modules/esm/nacl.js
index 2379605..279b0a9 100644
--- a/modules/esm/nacl.js
+++ b/modules/esm/nacl.js
@@ -3,21 +3,6 @@
 // deno-lint-ignore-file
 // deno-fmt-ignore-file
 
-
-// added by nkeys.js
-// shim for crypto.randomBytes on nodejs when using the 
-// esm module of the nkeys.js library
-if (!globalThis.crypto) {
-  if (typeof module === "undefined") {
-    globalThis.crypto = {
-      randomBytes: (a) => {
-        for (let i = 0; i < a.length; i++) {
-          a[i] = Math.floor(256 * Math.random());
-        }
-      },
-    };
-  }
-}
 (function(nacl) {
 'use strict';