diff --git a/src/lib/libembind.js b/src/lib/libembind.js
index defd2498dcff9..19080626392f3 100644
--- a/src/lib/libembind.js
+++ b/src/lib/libembind.js
@@ -375,7 +375,7 @@ var LibraryEmbind = {
         }
 #if ASSERTIONS
         else if (typeof value != "bigint") {
-          throw new TypeError(`Cannot convert "${embindRepr(value)}" to ${this.name}`);
+          throw new TypeError(`Cannot convert "${embindRepr(value)}" to ${name}`);
         }
         assertIntegerRange(name, value, minRange, maxRange);
 #endif
@@ -404,7 +404,7 @@ var LibraryEmbind = {
       toWireType: (destructors, value) => {
 #if ASSERTIONS
         if (typeof value != "number" && typeof value != "boolean") {
-          throw new TypeError(`Cannot convert ${embindRepr(value)} to ${this.name}`);
+          throw new TypeError(`Cannot convert ${embindRepr(value)} to ${name}`);
         }
 #endif
         // The VM will perform JS to Wasm value conversion, according to the spec:
diff --git a/src/lib/libwasi.js b/src/lib/libwasi.js
index e83ba664d6b4b..ca3a218553d99 100644
--- a/src/lib/libwasi.js
+++ b/src/lib/libwasi.js
@@ -17,7 +17,6 @@ var WasiLibrary = {
 #endif
 
   proc_exit__nothrow: true,
-  proc_exit__docs: '/** @noreturn */',
   proc_exit: (code) => {
 #if MINIMAL_RUNTIME
     throw `exit(${code})`;
diff --git a/src/preamble.js b/src/preamble.js
index ab3a7d78b8806..862a6429597b5 100644
--- a/src/preamble.js
+++ b/src/preamble.js
@@ -237,7 +237,6 @@ function postRun() {
 
 /**
  * @param {string|number=} what
- * @noreturn
  */
 function abort(what) {
 #if expectToReceiveOnModule('onAbort')