diff --git a/test/addons/report-fatalerror/binding.cc b/test/addons/report-fatalerror/binding.cc
index 9f01230bb43a54..7c6fab4c6b1efc 100644
--- a/test/addons/report-fatalerror/binding.cc
+++ b/test/addons/report-fatalerror/binding.cc
@@ -2,15 +2,12 @@
 #include <v8.h>
 
 using v8::FunctionCallbackInfo;
-using v8::Isolate;
 using v8::Local;
 using v8::MaybeLocal;
 using v8::Object;
 using v8::Value;
 
 void TriggerFatalError(const FunctionCallbackInfo<Value>& args) {
-  Isolate* isolate = args.GetIsolate();
-
   // Trigger a v8 ApiCheck failure.
   MaybeLocal<Value> value;
   value.ToLocalChecked();