diff --git a/packages/vitest/src/defaults.ts b/packages/vitest/src/defaults.ts
index deeed8132..0d44c755e 100644
--- a/packages/vitest/src/defaults.ts
+++ b/packages/vitest/src/defaults.ts
@@ -62,7 +62,7 @@ const config = {
   watch: !isCI,
   globals: false,
   environment: 'node' as const,
-  pool: 'threads',
+  pool: 'threads' as const,
   clearMocks: false,
   restoreMocks: false,
   mockReset: false,
diff --git a/packages/vitest/src/node/config.ts b/packages/vitest/src/node/config.ts
index c1f472c3b..464b384a2 100644
--- a/packages/vitest/src/node/config.ts
+++ b/packages/vitest/src/node/config.ts
@@ -398,9 +398,6 @@ export function resolveConfig(
   return resolved
 }
 
-export function isBrowserEnabled(config: ResolvedConfig) {
-  if (config.browser?.enabled)
-    return true
-
-  return config.poolMatchGlobs?.length && config.poolMatchGlobs.some(([, pool]) => pool === 'browser')
+export function isBrowserEnabled(config: ResolvedConfig): boolean {
+  return Boolean(config.browser?.enabled)
 }
diff --git a/packages/vitest/src/node/pool.ts b/packages/vitest/src/node/pool.ts
index 394b6c88b..a1abf634d 100644
--- a/packages/vitest/src/node/pool.ts
+++ b/packages/vitest/src/node/pool.ts
@@ -46,7 +46,7 @@ export function createPool(ctx: Vitest): ProcessPool {
 
   function getPoolName([project, file]: WorkspaceSpec) {
     for (const [glob, pool] of project.config.poolMatchGlobs || []) {
-      if (pool === 'browser')
+      if ((pool as Pool) === 'browser')
         throw new Error('Since Vitest 0.31.0 "browser" pool is not supported in "poolMatchGlobs". You can create a workspace to run some of your tests in browser in parallel. Read more: https://vitest.dev/guide/workspace')
       if (mm.isMatch(file, glob, { cwd: project.config.root }))
         return pool as Pool
diff --git a/packages/vitest/src/types/config.ts b/packages/vitest/src/types/config.ts
index 70c5338bd..4bc137329 100644
--- a/packages/vitest/src/types/config.ts
+++ b/packages/vitest/src/types/config.ts
@@ -294,7 +294,7 @@ export interface InlineConfig {
    *
    * @default 'threads'
    */
-  pool?: Omit<Pool, 'browser'>
+  pool?: Exclude<Pool, 'browser'>
 
   /**
    * Pool options
@@ -314,7 +314,7 @@ export interface InlineConfig {
    *   // ...
    * ]
    */
-  poolMatchGlobs?: [string, Omit<Pool, 'browser'>][]
+  poolMatchGlobs?: [string, Exclude<Pool, 'browser'>][]
 
   /**
    * Update snapshot
@@ -704,7 +704,7 @@ export interface UserConfig extends InlineConfig {
   shard?: string
 }
 
-export interface ResolvedConfig extends Omit<Required<UserConfig>, 'config' | 'filters' | 'browser' | 'coverage' | 'testNamePattern' | 'related' | 'api' | 'reporters' | 'resolveSnapshotPath' | 'benchmark' | 'shard' | 'cache' | 'sequence' | 'typecheck' | 'runner' | 'poolOptions'> {
+export interface ResolvedConfig extends Omit<Required<UserConfig>, 'config' | 'filters' | 'browser' | 'coverage' | 'testNamePattern' | 'related' | 'api' | 'reporters' | 'resolveSnapshotPath' | 'benchmark' | 'shard' | 'cache' | 'sequence' | 'typecheck' | 'runner' | 'poolOptions' | 'pool'> {
   mode: VitestRunMode
 
   base?: string