diff --git a/packages/eslint-plugin/tests/rules/no-unnecessary-type-parameters.test.ts b/packages/eslint-plugin/tests/rules/no-unnecessary-type-parameters.test.ts
index 9a636116cc37..cba7279691f3 100644
--- a/packages/eslint-plugin/tests/rules/no-unnecessary-type-parameters.test.ts
+++ b/packages/eslint-plugin/tests/rules/no-unnecessary-type-parameters.test.ts
@@ -1738,7 +1738,7 @@ class Joiner {
     return els.map(el => '' + el).join(',');
   }
 }
-    `,
+      `,
             },
           ],
         },
diff --git a/packages/integration-tests/fixtures/flat-config-types-@types__eslint-v8/eslint.config.js b/packages/integration-tests/fixtures/flat-config-types-@types__eslint-v8/eslint.config.js
index f64ea6686bab..de1165286a7c 100644
--- a/packages/integration-tests/fixtures/flat-config-types-@types__eslint-v8/eslint.config.js
+++ b/packages/integration-tests/fixtures/flat-config-types-@types__eslint-v8/eslint.config.js
@@ -52,7 +52,6 @@ function _otherCases() {
     jestPlugin.configs['flat/recommended'],
   );
   tseslint.config(
-    // @ts-expect-error
     compat.config(deprecationPlugin.configs.recommended),
     ...compat.config(jestPlugin.configs.recommended),
   );
diff --git a/packages/integration-tests/fixtures/flat-config-types-@types__eslint-v8/package.json b/packages/integration-tests/fixtures/flat-config-types-@types__eslint-v8/package.json
index c62dcfb245c6..36b3ca74a7fd 100644
--- a/packages/integration-tests/fixtures/flat-config-types-@types__eslint-v8/package.json
+++ b/packages/integration-tests/fixtures/flat-config-types-@types__eslint-v8/package.json
@@ -1,7 +1,6 @@
 {
   "type": "module",
   "devDependencies": {
-    "@types/eslint__eslintrc": "latest",
     "@eslint/eslintrc": "latest",
     "@eslint/js": "latest",
     "@types/eslint": "^8",
diff --git a/packages/integration-tests/fixtures/flat-config-types-@types__eslint-v9/eslint.config.js b/packages/integration-tests/fixtures/flat-config-types-@types__eslint-v9/eslint.config.js
index f64ea6686bab..de1165286a7c 100644
--- a/packages/integration-tests/fixtures/flat-config-types-@types__eslint-v9/eslint.config.js
+++ b/packages/integration-tests/fixtures/flat-config-types-@types__eslint-v9/eslint.config.js
@@ -52,7 +52,6 @@ function _otherCases() {
     jestPlugin.configs['flat/recommended'],
   );
   tseslint.config(
-    // @ts-expect-error
     compat.config(deprecationPlugin.configs.recommended),
     ...compat.config(jestPlugin.configs.recommended),
   );
diff --git a/packages/integration-tests/fixtures/flat-config-types-@types__eslint-v9/package.json b/packages/integration-tests/fixtures/flat-config-types-@types__eslint-v9/package.json
index 5ddeae9de134..517496e985ec 100644
--- a/packages/integration-tests/fixtures/flat-config-types-@types__eslint-v9/package.json
+++ b/packages/integration-tests/fixtures/flat-config-types-@types__eslint-v9/package.json
@@ -1,7 +1,6 @@
 {
   "type": "module",
   "devDependencies": {
-    "@types/eslint__eslintrc": "latest",
     "@eslint/eslintrc": "latest",
     "@eslint/js": "latest",
     "@types/eslint": "^9",
diff --git a/packages/integration-tests/tests/__snapshots__/flat-config-types-@types__eslint-v8.test.ts.snap b/packages/integration-tests/tests/__snapshots__/flat-config-types-@types__eslint-v8.test.ts.snap
index 36e06c03f5b7..d4869dfcbd44 100644
--- a/packages/integration-tests/tests/__snapshots__/flat-config-types-@types__eslint-v8.test.ts.snap
+++ b/packages/integration-tests/tests/__snapshots__/flat-config-types-@types__eslint-v8.test.ts.snap
@@ -3,7 +3,7 @@
 exports[`flat-config-types-@types__eslint-v8 eslint should work successfully 1`] = `
 [
   {
-    "errorCount": 3,
+    "errorCount": 2,
     "fatalErrorCount": 0,
     "filePath": "<root>/eslint.config.js",
     "fixableErrorCount": 0,
@@ -23,19 +23,8 @@ exports[`flat-config-types-@types__eslint-v8 eslint should work successfully 1`]
       {
         "column": 5,
         "endColumn": 24,
-        "endLine": 55,
-        "line": 55,
-        "message": "Include a description after the "@ts-expect-error" directive to explain why the @ts-expect-error is necessary. The description must be 3 characters or longer.",
-        "messageId": "tsDirectiveCommentRequiresDescription",
-        "nodeType": "Line",
-        "ruleId": "@typescript-eslint/ban-ts-comment",
-        "severity": 2,
-      },
-      {
-        "column": 5,
-        "endColumn": 24,
-        "endLine": 60,
-        "line": 60,
+        "endLine": 59,
+        "line": 59,
         "message": "Include a description after the "@ts-expect-error" directive to explain why the @ts-expect-error is necessary. The description must be 3 characters or longer.",
         "messageId": "tsDirectiveCommentRequiresDescription",
         "nodeType": "Line",
@@ -97,7 +86,6 @@ function _otherCases() {
     jestPlugin.configs['flat/recommended'],
   )
   tseslint.config(
-    // @ts-expect-error
     compat.config(deprecationPlugin.configs.recommended),
     ...compat.config(jestPlugin.configs.recommended),
   )
diff --git a/packages/integration-tests/tests/__snapshots__/flat-config-types-@types__eslint-v9.test.ts.snap b/packages/integration-tests/tests/__snapshots__/flat-config-types-@types__eslint-v9.test.ts.snap
index 71d9e1566677..57bc1348f075 100644
--- a/packages/integration-tests/tests/__snapshots__/flat-config-types-@types__eslint-v9.test.ts.snap
+++ b/packages/integration-tests/tests/__snapshots__/flat-config-types-@types__eslint-v9.test.ts.snap
@@ -3,7 +3,7 @@
 exports[`flat-config-types-@types__eslint-v9 eslint should work successfully 1`] = `
 [
   {
-    "errorCount": 3,
+    "errorCount": 2,
     "fatalErrorCount": 0,
     "filePath": "<root>/eslint.config.js",
     "fixableErrorCount": 0,
@@ -23,19 +23,8 @@ exports[`flat-config-types-@types__eslint-v9 eslint should work successfully 1`]
       {
         "column": 5,
         "endColumn": 24,
-        "endLine": 55,
-        "line": 55,
-        "message": "Include a description after the "@ts-expect-error" directive to explain why the @ts-expect-error is necessary. The description must be 3 characters or longer.",
-        "messageId": "tsDirectiveCommentRequiresDescription",
-        "nodeType": "Line",
-        "ruleId": "@typescript-eslint/ban-ts-comment",
-        "severity": 2,
-      },
-      {
-        "column": 5,
-        "endColumn": 24,
-        "endLine": 60,
-        "line": 60,
+        "endLine": 59,
+        "line": 59,
         "message": "Include a description after the "@ts-expect-error" directive to explain why the @ts-expect-error is necessary. The description must be 3 characters or longer.",
         "messageId": "tsDirectiveCommentRequiresDescription",
         "nodeType": "Line",
@@ -97,7 +86,6 @@ function _otherCases() {
     jestPlugin.configs['flat/recommended'],
   )
   tseslint.config(
-    // @ts-expect-error
     compat.config(deprecationPlugin.configs.recommended),
     ...compat.config(jestPlugin.configs.recommended),
   )