diff --git a/packages/coverage-c8/src/provider.ts b/packages/coverage-c8/src/provider.ts
index 3c05da7b9fd2..0884865c4f54 100644
--- a/packages/coverage-c8/src/provider.ts
+++ b/packages/coverage-c8/src/provider.ts
@@ -40,6 +40,11 @@ export class C8CoverageProvider implements CoverageProvider {
       await fs.mkdir(this.options.tempDirectory, { recursive: true })
   }
 
+  async cleanTmp() {
+    if (existsSync(this.options.tempDirectory))
+      await fs.rm(this.options.tempDirectory, { recursive: true, force: true })
+  }
+
   onAfterSuiteRun() {
     takeCoverage()
   }
@@ -102,6 +107,7 @@ export class C8CoverageProvider implements CoverageProvider {
 
     await report.run()
     await checkCoverages(this.options, report)
+    await this.cleanTmp()
   }
 }
 function resolveC8Options(options: CoverageC8Options, root: string) {