diff --git a/src/api/environment.cc b/src/api/environment.cc
index 39eec649890971..09d71b34581268 100644
--- a/src/api/environment.cc
+++ b/src/api/environment.cc
@@ -19,7 +19,6 @@ using v8::HandleScope;
 using v8::Isolate;
 using v8::Local;
 using v8::MaybeLocal;
-using v8::MicrotasksPolicy;
 using v8::Null;
 using v8::Object;
 using v8::ObjectTemplate;