diff --git a/src/cmd/go/internal/par/work.go b/src/cmd/go/internal/par/work.go
index 5b6de9425a583f..3f1e69adfef0e8 100644
--- a/src/cmd/go/internal/par/work.go
+++ b/src/cmd/go/internal/par/work.go
@@ -189,10 +189,7 @@ func (c *Cache[K, V]) Get(key K) (V, bool) {
 // TODO(jayconrod): Delete this after the package cache clearing functions
 // in internal/load have been removed.
 func (c *Cache[K, V]) Clear() {
-	c.m.Range(func(key, value any) bool {
-		c.m.Delete(key)
-		return true
-	})
+	c.m.Clear()
 }
 
 // Delete removes an entry from the map. It is safe to call Delete for an
diff --git a/src/expvar/expvar.go b/src/expvar/expvar.go
index ffe35d62f917a7..4f66848f1fe4cf 100644
--- a/src/expvar/expvar.go
+++ b/src/expvar/expvar.go
@@ -169,10 +169,7 @@ func (v *Map) Init() *Map {
 	v.keysMu.Lock()
 	defer v.keysMu.Unlock()
 	v.keys = v.keys[:0]
-	v.m.Range(func(k, _ any) bool {
-		v.m.Delete(k)
-		return true
-	})
+	v.m.Clear()
 	return v
 }
 
diff --git a/src/mime/type.go b/src/mime/type.go
index 465ecf0d599ccb..6d4266929c350f 100644
--- a/src/mime/type.go
+++ b/src/mime/type.go
@@ -22,18 +22,11 @@ var (
 	extensions   sync.Map   // map[string][]string; slice values are append-only.
 )
 
-func clearSyncMap(m *sync.Map) {
-	m.Range(func(k, _ any) bool {
-		m.Delete(k)
-		return true
-	})
-}
-
 // setMimeTypes is used by initMime's non-test path, and by tests.
 func setMimeTypes(lowerExt, mixExt map[string]string) {
-	clearSyncMap(&mimeTypes)
-	clearSyncMap(&mimeTypesLower)
-	clearSyncMap(&extensions)
+	mimeTypes.Clear()
+	mimeTypesLower.Clear()
+	extensions.Clear()
 
 	for k, v := range lowerExt {
 		mimeTypesLower.Store(k, v)