diff --git a/test/cctest/node_test_fixture.h b/test/cctest/node_test_fixture.h
index eaa4aaecdf3e60..660111c5a90c6f 100644
--- a/test/cctest/node_test_fixture.h
+++ b/test/cctest/node_test_fixture.h
@@ -100,9 +100,7 @@ class EnvironmentTestFixture : public NodeTestFixture {
  public:
   class Env {
    public:
-    Env(const v8::HandleScope& handle_scope,
-        const Argv& argv,
-        NodeTestFixture* test_fixture) {
+    Env(const v8::HandleScope& handle_scope, const Argv& argv) {
       auto isolate = handle_scope.GetIsolate();
       context_ = node::NewContext(isolate);
       CHECK(!context_.IsEmpty());
diff --git a/test/cctest/test_environment.cc b/test/cctest/test_environment.cc
index 352fed1fb62ed9..4575d3b65ae318 100644
--- a/test/cctest/test_environment.cc
+++ b/test/cctest/test_environment.cc
@@ -32,7 +32,7 @@ class EnvironmentTest : public EnvironmentTestFixture {
 TEST_F(EnvironmentTest, AtExitWithEnvironment) {
   const v8::HandleScope handle_scope(isolate_);
   const Argv argv;
-  Env env {handle_scope, argv, this};
+  Env env {handle_scope, argv};
 
   AtExit(*env, at_exit_callback1);
   RunAtExit(*env);
@@ -42,7 +42,7 @@ TEST_F(EnvironmentTest, AtExitWithEnvironment) {
 TEST_F(EnvironmentTest, AtExitWithArgument) {
   const v8::HandleScope handle_scope(isolate_);
   const Argv argv;
-  Env env {handle_scope, argv, this};
+  Env env {handle_scope, argv};
 
   std::string arg{"some args"};
   AtExit(*env, at_exit_callback1, static_cast<void*>(&arg));
@@ -53,8 +53,8 @@ TEST_F(EnvironmentTest, AtExitWithArgument) {
 TEST_F(EnvironmentTest, MultipleEnvironmentsPerIsolate) {
   const v8::HandleScope handle_scope(isolate_);
   const Argv argv;
-  Env env1 {handle_scope, argv, this};
-  Env env2 {handle_scope, argv, this};
+  Env env1 {handle_scope, argv};
+  Env env2 {handle_scope, argv};
 
   AtExit(*env1, at_exit_callback1);
   AtExit(*env2, at_exit_callback2);
diff --git a/test/cctest/test_node_postmortem_metadata.cc b/test/cctest/test_node_postmortem_metadata.cc
index 72e6abb585f75c..be5cc7ce8ad2c5 100644
--- a/test/cctest/test_node_postmortem_metadata.cc
+++ b/test/cctest/test_node_postmortem_metadata.cc
@@ -50,7 +50,7 @@ TEST_F(DebugSymbolsTest, ExternalStringDataOffset) {
 TEST_F(DebugSymbolsTest, BaseObjectPersistentHandle) {
   const v8::HandleScope handle_scope(isolate_);
   const Argv argv;
-  Env env{handle_scope, argv, this};
+  Env env{handle_scope, argv};
 
   v8::Local<v8::Object> object = v8::Object::New(isolate_);
   node::BaseObject obj(*env, object);
@@ -67,7 +67,7 @@ TEST_F(DebugSymbolsTest, BaseObjectPersistentHandle) {
 TEST_F(DebugSymbolsTest, EnvironmentHandleWrapQueue) {
   const v8::HandleScope handle_scope(isolate_);
   const Argv argv;
-  Env env{handle_scope, argv, this};
+  Env env{handle_scope, argv};
 
   auto expected = reinterpret_cast<uintptr_t>((*env)->handle_wrap_queue());
   auto calculated = reinterpret_cast<uintptr_t>(*env) +
@@ -78,7 +78,7 @@ TEST_F(DebugSymbolsTest, EnvironmentHandleWrapQueue) {
 TEST_F(DebugSymbolsTest, EnvironmentReqWrapQueue) {
   const v8::HandleScope handle_scope(isolate_);
   const Argv argv;
-  Env env{handle_scope, argv, this};
+  Env env{handle_scope, argv};
 
   auto expected = reinterpret_cast<uintptr_t>((*env)->req_wrap_queue());
   auto calculated = reinterpret_cast<uintptr_t>(*env) +
@@ -89,7 +89,7 @@ TEST_F(DebugSymbolsTest, EnvironmentReqWrapQueue) {
 TEST_F(DebugSymbolsTest, HandleWrapList) {
   const v8::HandleScope handle_scope(isolate_);
   const Argv argv;
-  Env env{handle_scope, argv, this};
+  Env env{handle_scope, argv};
 
   uv_tcp_t handle;
 
@@ -118,7 +118,7 @@ TEST_F(DebugSymbolsTest, HandleWrapList) {
 TEST_F(DebugSymbolsTest, ReqWrapList) {
   const v8::HandleScope handle_scope(isolate_);
   const Argv argv;
-  Env env{handle_scope, argv, this};
+  Env env{handle_scope, argv};
 
   auto obj_template = v8::FunctionTemplate::New(isolate_);
   obj_template->InstanceTemplate()->SetInternalFieldCount(1);