diff --git a/docs/config/index.md b/docs/config/index.md
index 477d86f844d7..d77d3c911219 100644
--- a/docs/config/index.md
+++ b/docs/config/index.md
@@ -635,7 +635,7 @@ Clean coverage results before running tests
 #### cleanOnRerun
 
 - **Type:** `boolean`
-- **Default:** `false`
+- **Default:** `true`
 - **Available for providers:** `'c8' | 'istanbul'`
 
 Clean coverage report on watch rerun
diff --git a/packages/vitest/src/defaults.ts b/packages/vitest/src/defaults.ts
index fa7be64ed08a..61d51640da0c 100644
--- a/packages/vitest/src/defaults.ts
+++ b/packages/vitest/src/defaults.ts
@@ -25,10 +25,11 @@ const defaultCoverageExcludes = [
 ]
 
 const coverageConfigDefaults = {
+  all: false,
   provider: 'c8',
   enabled: false,
   clean: true,
-  cleanOnRerun: false,
+  cleanOnRerun: true,
   reportsDirectory: './coverage',
   excludeNodeModules: true,
   exclude: defaultCoverageExcludes,
diff --git a/packages/vitest/src/types/coverage.ts b/packages/vitest/src/types/coverage.ts
index 25426266d939..7dd202b6dca5 100644
--- a/packages/vitest/src/types/coverage.ts
+++ b/packages/vitest/src/types/coverage.ts
@@ -101,7 +101,7 @@ export interface BaseCoverageOptions {
   /**
    * Clean coverage report on watch rerun
    *
-   * @default false
+   * @default true
    */
   cleanOnRerun?: boolean