diff --git a/http/server_test.ts b/http/server_test.ts
index 0560f7f8daab5..0423b872626eb 100644
--- a/http/server_test.ts
+++ b/http/server_test.ts
@@ -496,7 +496,6 @@ test({
   async fn(): Promise<void> {
     const serverRoutine = async (): Promise<void> => {
       const server = serve(":8124");
-      // @ts-ignore
       for await (const req of server) {
         await assertThrowsAsync(async () => {
           await req.respond({
diff --git a/mime/multipart_test.ts b/mime/multipart_test.ts
index 61afdba03635b..b7c0cb969c5dc 100644
--- a/mime/multipart_test.ts
+++ b/mime/multipart_test.ts
@@ -145,7 +145,7 @@ test("multipartMultipartWriter3", async function (): Promise<void> {
   );
   await assertThrowsAsync(
     async (): Promise<void> => {
-      // @ts-ignore
+      // @ts-expect-error
       await mw.writeFile("bar", "file", null);
     },
     Error,
diff --git a/node/global.ts b/node/global.ts
index c877d1d531b3c..7d147cc4b1de8 100644
--- a/node/global.ts
+++ b/node/global.ts
@@ -5,5 +5,5 @@ Object.defineProperty(globalThis, Symbol.toStringTag, {
   configurable: true,
 });
 
-// @ts-ignore
+// @ts-expect-error
 globalThis["global"] = globalThis;
diff --git a/node/module.ts b/node/module.ts
index 4e0c55c1d84a6..71c25beacaf8d 100644
--- a/node/module.ts
+++ b/node/module.ts
@@ -263,9 +263,9 @@ class Module {
         message = message + "\nRequire stack:\n- " + requireStack.join("\n- ");
       }
       const err = new Error(message);
-      // @ts-ignore
+      // @ts-expect-error
       err.code = "MODULE_NOT_FOUND";
-      // @ts-ignore
+      // @ts-expect-error
       err.requireStack = requireStack;
       throw err;
     }
@@ -737,7 +737,7 @@ function tryPackage(
         `Cannot find module '${filename}'. ` +
           'Please verify that the package.json has a valid "main" entry'
       );
-      // @ts-ignore
+      // @ts-expect-error
       err.code = "MODULE_NOT_FOUND";
       throw err;
     }
@@ -882,7 +882,7 @@ function applyExports(basePath: string, expansion: string): string {
     `Package exports for '${basePath}' do not define ` +
       `a '${mappingKey}' subpath`
   );
-  // @ts-ignore
+  // @ts-expect-error
   e.code = "MODULE_NOT_FOUND";
   throw e;
 }
@@ -982,7 +982,7 @@ function resolveExportsTarget(
   } else {
     e = new Error(`No valid exports main found for '${basePath}'`);
   }
-  // @ts-ignore
+  // @ts-expect-error
   e.code = "MODULE_NOT_FOUND";
   throw e;
 }
@@ -1007,7 +1007,7 @@ const CircularRequirePrototypeWarningProxy = new Proxy(
   {
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
     get(target, prop): any {
-      // @ts-ignore
+      // @ts-expect-error
       if (prop in target) return target[prop];
       emitCircularRequireWarning(prop);
       return undefined;
@@ -1058,7 +1058,7 @@ type RequireWrapper = (
 function wrapSafe(filename: string, content: string): RequireWrapper {
   // TODO: fix this
   const wrapper = Module.wrap(content);
-  // @ts-ignore
+  // @ts-expect-error
   const [f, err] = Deno.core.evalContext(wrapper, filename);
   if (err) {
     throw err;
diff --git a/signal/test.ts b/signal/test.ts
index 15ebbdcc723c3..13c2998db1f8b 100644
--- a/signal/test.ts
+++ b/signal/test.ts
@@ -9,7 +9,7 @@ test({
   fn() {
     assertThrows(
       () => {
-        // @ts-ignore
+        // @ts-expect-error
         signal();
       },
       Error,
diff --git a/uuid/tests/isNil.ts b/uuid/tests/isNil.ts
index 4514576daa760..1f0db416e2bfa 100644
--- a/uuid/tests/isNil.ts
+++ b/uuid/tests/isNil.ts
@@ -1,7 +1,6 @@
 // Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 import { assert } from "../../testing/asserts.ts";
 const { test } = Deno;
-// @ts-ignore
 import { NIL_UUID, isNil } from "../mod.ts";
 
 test({
diff --git a/ws/mod.ts b/ws/mod.ts
index 324588af01db5..97c77baab024d 100644
--- a/ws/mod.ts
+++ b/ws/mod.ts
@@ -491,7 +491,7 @@ export async function handshake(
     throw new Error("ws: invalid status line: " + statusLine);
   }
 
-  // @ts-ignore
+  // @ts-expect-error
   const { version, statusCode } = m.groups;
   if (version !== "HTTP/1.1" || statusCode !== "101") {
     throw new Error(