diff --git a/src/env-inl.h b/src/env-inl.h
index d5124e73e7c4c6..56a96def344194 100644
--- a/src/env-inl.h
+++ b/src/env-inl.h
@@ -775,14 +775,9 @@ inline void Environment::ThrowRangeError(const char* errmsg) {
   ThrowError(v8::Exception::RangeError, errmsg);
 }
 
-inline void Environment::ThrowError(V8ExceptionConstructorOld fun,
-                                    const char* errmsg) {
-  v8::HandleScope handle_scope(isolate());
-  isolate()->ThrowException(fun(OneByteString(isolate(), errmsg)));
-}
-
-inline void Environment::ThrowError(V8ExceptionConstructorNew fun,
-                                    const char* errmsg) {
+inline void Environment::ThrowError(
+    v8::Local<v8::Value> (*fun)(v8::Local<v8::String>, v8::Local<v8::Value>),
+    const char* errmsg) {
   v8::HandleScope handle_scope(isolate());
   isolate()->ThrowException(fun(OneByteString(isolate(), errmsg), {}));
 }
diff --git a/src/env.h b/src/env.h
index 9a2ac179101210..a0d6d49f321671 100644
--- a/src/env.h
+++ b/src/env.h
@@ -1029,14 +1029,9 @@ class Environment : public MemoryRetainer {
   };
 
  private:
-  // V8 has changed the constructor of exceptions, support both APIs before Node
-  // updates to V8 12.1.
-  using V8ExceptionConstructorOld =
-      v8::Local<v8::Value> (*)(v8::Local<v8::String>);
-  using V8ExceptionConstructorNew =
-      v8::Local<v8::Value> (*)(v8::Local<v8::String>, v8::Local<v8::Value>);
-  inline void ThrowError(V8ExceptionConstructorOld fun, const char* errmsg);
-  inline void ThrowError(V8ExceptionConstructorNew fun, const char* errmsg);
+  inline void ThrowError(v8::Local<v8::Value> (*fun)(v8::Local<v8::String>,
+                                                     v8::Local<v8::Value>),
+                         const char* errmsg);
   void TrackContext(v8::Local<v8::Context> context);
   void UntrackContext(v8::Local<v8::Context> context);