diff --git a/src/inspector_js_api.cc b/src/inspector_js_api.cc
index 8de1f8e7b0a88d..e605c1c4d6f087 100644
--- a/src/inspector_js_api.cc
+++ b/src/inspector_js_api.cc
@@ -215,10 +215,10 @@ void InspectorConsoleCall(const FunctionCallbackInfo<Value>& info) {
 
   Local<Value> node_method = info[1];
   CHECK(node_method->IsFunction());
-  node_method.As<Function>()->Call(context,
+  USE(node_method.As<Function>()->Call(context,
                                    info.Holder(),
                                    call_args.length(),
-                                   call_args.out()).FromMaybe(Local<Value>());
+                                   call_args.out()));
 }
 
 static void* GetAsyncTask(int64_t asyncId) {
diff --git a/src/node_http2.cc b/src/node_http2.cc
index cf1aa81d32c3ae..e0786677264b2e 100644
--- a/src/node_http2.cc
+++ b/src/node_http2.cc
@@ -2646,7 +2646,6 @@ void Http2Session::New(const FunctionCallbackInfo<Value>& args) {
       static_cast<SessionType>(
           args[0]->Int32Value(env->context()).ToChecked());
   Http2Session* session = new Http2Session(state, args.This(), type);
-  session->get_async_id();  // avoid compiler warning
   Debug(session, "session created");
 }
 
diff --git a/src/node_url.cc b/src/node_url.cc
index 9f22fa069804f5..b13c94f030fa59 100644
--- a/src/node_url.cc
+++ b/src/node_url.cc
@@ -1666,7 +1666,7 @@ void Parse(Environment* env,
       null,  // fragment defaults to null
     };
     SetArgs(env, argv, url);
-    cb->Call(context, recv, arraysize(argv), argv).FromMaybe(Local<Value>());
+    USE(cb->Call(context, recv, arraysize(argv), argv));
   } else if (error_cb->IsFunction()) {
     Local<Value> flags = Integer::NewFromUnsigned(isolate, url.flags);
     USE(error_cb.As<Function>()->Call(context, recv, 1, &flags));