diff --git a/.eslintignore b/.eslintignore
index 50f4df4044d1..a3a6e01b0ad6 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -42,7 +42,6 @@ src/test/utils/fs.ts
 
 src/test/api.functional.test.ts
 
-src/test/testing/mocks.ts
 src/test/testing/common/debugLauncher.unit.test.ts
 src/test/testing/common/services/configSettingService.unit.test.ts
 
@@ -85,9 +84,7 @@ src/test/common/application/commands/reloadCommand.unit.test.ts
 
 src/test/common/installer/channelManager.unit.test.ts
 src/test/common/installer/pipInstaller.unit.test.ts
-src/test/common/installer/installer.invalidPath.unit.test.ts
 src/test/common/installer/pipEnvInstaller.unit.test.ts
-src/test/common/installer/productPath.unit.test.ts
 
 src/test/common/socketCallbackHandler.test.ts
 
@@ -103,17 +100,14 @@ src/test/common/process/proc.unit.test.ts
 src/test/common/interpreterPathService.unit.test.ts
 
 
-src/test/python_files/formatting/dummy.ts
 
 src/test/debugger/extension/adapter/adapter.test.ts
 src/test/debugger/extension/adapter/outdatedDebuggerPrompt.unit.test.ts
 src/test/debugger/extension/adapter/factory.unit.test.ts
-src/test/debugger/extension/adapter/activator.unit.test.ts
 src/test/debugger/extension/adapter/logging.unit.test.ts
 src/test/debugger/extension/hooks/childProcessAttachHandler.unit.test.ts
 src/test/debugger/extension/hooks/childProcessAttachService.unit.test.ts
 src/test/debugger/utils.ts
-src/test/debugger/common/protocolparser.test.ts
 src/test/debugger/envVars.test.ts
 
 src/test/telemetry/index.unit.test.ts
@@ -121,9 +115,7 @@ src/test/telemetry/envFileTelemetry.unit.test.ts
 
 src/test/application/diagnostics/checks/macPythonInterpreter.unit.test.ts
 src/test/application/diagnostics/checks/pythonInterpreter.unit.test.ts
-src/test/application/diagnostics/checks/invalidLaunchJsonDebugger.unit.test.ts
 src/test/application/diagnostics/checks/powerShellActivation.unit.test.ts
-src/test/application/diagnostics/checks/invalidPythonPathInDebugger.unit.test.ts
 src/test/application/diagnostics/checks/envPathVariable.unit.test.ts
 src/test/application/diagnostics/applicationDiagnostics.unit.test.ts
 src/test/application/diagnostics/promptHandler.unit.test.ts
@@ -154,25 +146,18 @@ src/client/activation/extensionSurvey.ts
 src/client/activation/common/analysisOptions.ts
 src/client/activation/languageClientMiddleware.ts
 
-src/client/formatters/serviceRegistry.ts
-src/client/formatters/helper.ts
-src/client/formatters/dummyFormatter.ts
-src/client/formatters/baseFormatter.ts
 
 src/client/testing/serviceRegistry.ts
 src/client/testing/main.ts
 src/client/testing/configurationFactory.ts
 src/client/testing/common/constants.ts
 src/client/testing/common/testUtils.ts
-src/client/testing/common/socketServer.ts
-src/client/testing/common/runner.ts
 
 src/client/common/helpers.ts
 src/client/common/net/browser.ts
 src/client/common/net/socket/socketCallbackHandler.ts
 src/client/common/net/socket/socketServer.ts
 src/client/common/net/socket/SocketStream.ts
-src/client/common/editor.ts
 src/client/common/contextKey.ts
 src/client/common/experiments/telemetry.ts
 src/client/common/platform/serviceRegistry.ts
@@ -257,7 +242,6 @@ src/client/debugger/extension/attachQuickPick/psProcessParser.ts
 src/client/debugger/extension/attachQuickPick/picker.ts
 
 src/client/application/serviceRegistry.ts
-src/client/application/diagnostics/surceMapSupportService.ts
 src/client/application/diagnostics/base.ts
 src/client/application/diagnostics/applicationDiagnostics.ts
 src/client/application/diagnostics/filter.ts
@@ -267,3 +251,4 @@ src/client/application/diagnostics/commands/ignore.ts
 src/client/application/diagnostics/commands/factory.ts
 src/client/application/diagnostics/commands/execVSCCommand.ts
 src/client/application/diagnostics/commands/launchBrowser.ts
+
diff --git a/scripts/cleanup-eslintignore.js b/scripts/cleanup-eslintignore.js
new file mode 100644
index 000000000000..848f5a9c4910
--- /dev/null
+++ b/scripts/cleanup-eslintignore.js
@@ -0,0 +1,44 @@
+const fs = require('fs');
+const path = require('path');
+
+const baseDir = process.cwd();
+const eslintignorePath = path.join(baseDir, '.eslintignore');
+
+fs.readFile(eslintignorePath, 'utf8', (err, data) => {
+    if (err) {
+        console.error('Error reading .eslintignore file:', err);
+        return;
+    }
+
+    const lines = data.split('\n');
+    const files = lines.map((line) => line.trim()).filter((line) => line && !line.startsWith('#'));
+    const nonExistentFiles = [];
+
+    files.forEach((file) => {
+        const filePath = path.join(baseDir, file);
+        if (!fs.existsSync(filePath) && file !== 'pythonExtensionApi/out/') {
+            nonExistentFiles.push(file);
+        }
+    });
+
+    if (nonExistentFiles.length > 0) {
+        console.log('The following files listed in .eslintignore do not exist:');
+        nonExistentFiles.forEach((file) => console.log(file));
+
+        const updatedLines = lines.filter((line) => {
+            const trimmedLine = line.trim();
+            return !nonExistentFiles.includes(trimmedLine) || trimmedLine === 'pythonExtensionApi/out/';
+        });
+        const updatedData = `${updatedLines.join('\n')}\n`;
+
+        fs.writeFile(eslintignorePath, updatedData, 'utf8', (err) => {
+            if (err) {
+                console.error('Error writing to .eslintignore file:', err);
+                return;
+            }
+            console.log('Non-existent files have been removed from .eslintignore.');
+        });
+    } else {
+        console.log('All files listed in .eslintignore exist.');
+    }
+});