diff --git a/__tests__/nightly-installer.test.ts b/__tests__/nightly-installer.test.ts
index c794e8df..10c3972a 100644
--- a/__tests__/nightly-installer.test.ts
+++ b/__tests__/nightly-installer.test.ts
@@ -670,7 +670,6 @@ describe('NightlyNodejs', () => {
     );
   });
 
-  const core = require('@actions/core'); // Mock core
   jest.spyOn(core, 'info').mockImplementation(() => {}); // Mock core.info function
 
   it('logs mirror URL when provided', async () => {
diff --git a/__tests__/rc-installer.test.ts b/__tests__/rc-installer.test.ts
index 2f72b96d..dcf3c851 100644
--- a/__tests__/rc-installer.test.ts
+++ b/__tests__/rc-installer.test.ts
@@ -560,7 +560,7 @@ describe('setup-node', () => {
       const infoSpy = jest.spyOn(core, 'info').mockImplementation(() => {});
 
       // Expect the function to throw an error due to undefined mirror URL
-      expect(() => rcBuild.getDistributionMirrorUrl()).toThrowError(
+      expect(() => rcBuild.getDistributionMirrorUrl()).toThrow(
         'Mirror URL is undefined. Please provide a valid mirror URL.'
       );
 
diff --git a/dist/setup/index.js b/dist/setup/index.js
index 943b9007..2c51918a 100644
--- a/dist/setup/index.js
+++ b/dist/setup/index.js
@@ -100529,13 +100529,12 @@ class OfficialBuilds extends base_distribution_1.default {
                     throw new Error('Mirror URL is empty. Please provide a valid mirror URL.');
                 }
                 let downloadPath = '';
-                let toolPath = '';
                 try {
                     core.info(`Attempting to download using mirror URL...`);
                     downloadPath = yield this.downloadFromMirrorURL(); // Attempt to download from the mirror
                     core.info('downloadPath from downloadFromMirrorURL() ' + downloadPath);
                     if (downloadPath) {
-                        toolPath = downloadPath;
+                        const toolPath = downloadPath;
                     }
                 }
                 catch (err) {
diff --git a/src/distributions/nightly/nightly_builds.ts b/src/distributions/nightly/nightly_builds.ts
index 340d4579..3f7417cc 100644
--- a/src/distributions/nightly/nightly_builds.ts
+++ b/src/distributions/nightly/nightly_builds.ts
@@ -1,6 +1,5 @@
 import BasePrereleaseNodejs from '../base-distribution-prerelease';
 import {NodeInputs} from '../base-models';
-import * as core from '@actions/core';
 
 export default class NightlyNodejs extends BasePrereleaseNodejs {
   protected distribution = 'nightly';
diff --git a/src/distributions/official_builds/official_builds.ts b/src/distributions/official_builds/official_builds.ts
index d5cd1cb5..a6cce631 100644
--- a/src/distributions/official_builds/official_builds.ts
+++ b/src/distributions/official_builds/official_builds.ts
@@ -22,13 +22,13 @@ export default class OfficialBuilds extends BaseDistribution {
         );
       }
       let downloadPath = '';
-      let toolPath = '';
+
       try {
         core.info(`Attempting to download using mirror URL...`);
         downloadPath = await this.downloadFromMirrorURL(); // Attempt to download from the mirror
         core.info('downloadPath from downloadFromMirrorURL() ' + downloadPath);
         if (downloadPath) {
-          toolPath = downloadPath;
+          const toolPath = downloadPath;
         }
       } catch (err) {
         core.info((err as Error).message);
diff --git a/src/distributions/rc/rc_builds.ts b/src/distributions/rc/rc_builds.ts
index c194d4b1..2c2e25f4 100644
--- a/src/distributions/rc/rc_builds.ts
+++ b/src/distributions/rc/rc_builds.ts
@@ -1,6 +1,5 @@
 import BaseDistribution from '../base-distribution';
 import {NodeInputs} from '../base-models';
-import * as core from '@actions/core';
 
 export default class RcBuild extends BaseDistribution {
   getDistributionMirrorUrl() {