diff --git a/src/node_http2.cc b/src/node_http2.cc
index 0b97e524b3dbc3..3e59c61b8641ac 100644
--- a/src/node_http2.cc
+++ b/src/node_http2.cc
@@ -12,11 +12,13 @@
 namespace node {
 
 using v8::ArrayBuffer;
+using v8::ArrayBufferCreationMode;
 using v8::Boolean;
 using v8::Context;
 using v8::Float64Array;
 using v8::Function;
 using v8::Integer;
+using v8::NewStringType;
 using v8::Number;
 using v8::ObjectTemplate;
 using v8::String;
@@ -1411,11 +1413,11 @@ void Http2Session::HandleAltSvcFrame(const nghttp2_frame* frame) {
     Integer::New(isolate, id),
     String::NewFromOneByte(isolate,
                            altsvc->origin,
-                           v8::NewStringType::kNormal,
+                           NewStringType::kNormal,
                            altsvc->origin_len).ToLocalChecked(),
     String::NewFromOneByte(isolate,
                            altsvc->field_value,
-                           v8::NewStringType::kNormal,
+                           NewStringType::kNormal,
                            altsvc->field_value_len).ToLocalChecked(),
   };
 
@@ -1445,7 +1447,7 @@ void Http2Session::HandleOriginFrame(const nghttp2_frame* frame) {
       argv[j++] =
         String::NewFromOneByte(isolate,
                                entry.origin,
-                               v8::NewStringType::kNormal,
+                               NewStringType::kNormal,
                                entry.origin_len).ToLocalChecked();
     }
     if (j > 0)
@@ -2330,7 +2332,7 @@ void HttpErrorString(const FunctionCallbackInfo<Value>& args) {
       String::NewFromOneByte(
           env->isolate(),
           reinterpret_cast<const uint8_t*>(nghttp2_strerror(val)),
-          v8::NewStringType::kInternalized).ToLocalChecked());
+          NewStringType::kInternalized).ToLocalChecked());
 }