diff --git a/src/plugin/packer/cli.ts b/src/plugin/packer/cli.ts
index 278c9b91df..5367bdbe63 100644
--- a/src/plugin/packer/cli.ts
+++ b/src/plugin/packer/cli.ts
@@ -138,7 +138,7 @@ const throwIfInvalidManifest = (manifest: any, pluginDir: string) => {
  * Create and save plugin.zip
  */
 const outputPlugin = (outputPath: string, plugin: Buffer): Promise<string> => {
-  return writeFile(outputPath, plugin).then((arg) => outputPath);
+  return writeFile(outputPath, plugin).then(() => outputPath);
 };
 
 /**
@@ -157,7 +157,7 @@ const validateMaxFileSize = (pluginDir: string) => {
     try {
       const stat = fs.statSync(path.join(pluginDir, filePath));
       return stat.size <= maxBytes;
-    } catch (e) {
+    } catch (_) {
       return false;
     }
   };
@@ -168,7 +168,7 @@ const validateFileExists = (pluginDir: string) => {
     try {
       const stat = fs.statSync(path.join(pluginDir, filePath));
       return stat.isFile();
-    } catch (e) {
+    } catch (_) {
       return false;
     }
   };
diff --git a/src/plugin/packer/create-contents-zip.ts b/src/plugin/packer/create-contents-zip.ts
index c9888e9442..9390cb7d68 100644
--- a/src/plugin/packer/create-contents-zip.ts
+++ b/src/plugin/packer/create-contents-zip.ts
@@ -13,7 +13,7 @@ export const createContentsZip = (
   pluginDir: string,
   manifest: any,
 ): Promise<Buffer> => {
-  return new Promise((res, rej) => {
+  return new Promise((res) => {
     const output = new streamBuffers.WritableStreamBuffer();
     const zipFile = new ZipFile();
     let size: any = null;
diff --git a/src/plugin/packer/index.ts b/src/plugin/packer/index.ts
index 3aa14b7edd..d067ea1511 100644
--- a/src/plugin/packer/index.ts
+++ b/src/plugin/packer/index.ts
@@ -50,7 +50,7 @@ const zip = (
   signature: Buffer,
 ): Promise<Buffer> => {
   debug(`zip(): start`);
-  return new Promise((res, rej) => {
+  return new Promise((res) => {
     const output = new streamBuffers.WritableStreamBuffer();
     const zipFile = new ZipFile();
     output.on("finish", () => {