diff --git a/packages/artifact/__tests__/download.test.ts b/packages/artifact/__tests__/download.test.ts
index 518cfc59..b940fdec 100644
--- a/packages/artifact/__tests__/download.test.ts
+++ b/packages/artifact/__tests__/download.test.ts
@@ -293,10 +293,10 @@ describe('Download Tests', () => {
   }
 
   function setupThrowWhenReadingStream(): void {
-    const spyInstance = jest
+    jest
       .spyOn(DownloadHttpClient.prototype, 'pipeResponseToFile')
       .mockImplementationOnce(async () => {
-        return new Promise<void>(resolve => {
+        return new Promise<void>(() => {
           throw new Error(
             'simulate GZip reading truncated buffer and throw Z_BUF_ERROR'
           )
diff --git a/packages/artifact/src/internal/download-http-client.ts b/packages/artifact/src/internal/download-http-client.ts
index 2110b6a6..7caef993 100644
--- a/packages/artifact/src/internal/download-http-client.ts
+++ b/packages/artifact/src/internal/download-http-client.ts
@@ -219,7 +219,9 @@ export class DownloadHttpClient {
       return parseInt(expected) === received
     }
 
-    const resetDestinationStream = async (downloadPath: string) => {
+    const resetDestinationStream = async (
+      downloadPath: string
+    ): Promise<void> => {
       await rmFile(downloadPath)
       destinationStream = fs.createWriteStream(downloadPath)
     }