diff --git a/src/inspector_js_api.cc b/src/inspector_js_api.cc
index 1cb51b51ec09d3..ede398772648b1 100644
--- a/src/inspector_js_api.cc
+++ b/src/inspector_js_api.cc
@@ -215,7 +215,7 @@ static void AsyncTaskScheduledWrapper(const FunctionCallbackInfo<Value>& args) {
   void* task = GetAsyncTask(task_id);
 
   CHECK(args[2]->IsBoolean());
-  bool recurring = args[2]->BooleanValue(env->context()).FromJust();
+  bool recurring = args[2]->BooleanValue(args.GetIsolate());
 
   env->inspector_agent()->AsyncTaskScheduled(task_name_view, task, recurring);
 }
@@ -252,7 +252,7 @@ void Open(const FunctionCallbackInfo<Value>& args) {
   }
 
   if (args.Length() > 2 && args[2]->IsBoolean()) {
-    wait_for_connect = args[2]->BooleanValue(env->context()).FromJust();
+    wait_for_connect = args[2]->BooleanValue(args.GetIsolate());
   }
   agent->StartIoThread();
   if (wait_for_connect)
diff --git a/src/node_crypto.cc b/src/node_crypto.cc
index 222f4089d8c304..16d958ea889599 100644
--- a/src/node_crypto.cc
+++ b/src/node_crypto.cc
@@ -5751,8 +5751,8 @@ void SetFipsCrypto(const FunctionCallbackInfo<Value>& args) {
   CHECK(!per_process_opts->force_fips_crypto);
   Environment* env = Environment::GetCurrent(args);
   const bool enabled = FIPS_mode();
-  bool enable;
-  if (!args[0]->BooleanValue(env->context()).To(&enable)) return;
+  bool enable = args[0]->BooleanValue(env->isolate());
+
   if (enable == enabled)
     return;  // No action needed.
   if (!FIPS_mode_set(enable)) {
diff --git a/src/node_http2.cc b/src/node_http2.cc
index 58ba052f04c3cf..1489d8b6f88b00 100644
--- a/src/node_http2.cc
+++ b/src/node_http2.cc
@@ -341,7 +341,7 @@ Http2Priority::Http2Priority(Environment* env,
   Local<Context> context = env->context();
   int32_t parent_ = parent->Int32Value(context).ToChecked();
   int32_t weight_ = weight->Int32Value(context).ToChecked();
-  bool exclusive_ = exclusive->BooleanValue(context).ToChecked();
+  bool exclusive_ = exclusive->BooleanValue(env->isolate());
   Debug(env, DebugCategory::HTTP2STREAM,
         "Http2Priority: parent: %d, weight: %d, exclusive: %d\n",
         parent_, weight_, exclusive_);
@@ -1096,7 +1096,7 @@ int Http2Session::OnStreamClose(nghttp2_session* handle,
     stream->MakeCallback(env->http2session_on_stream_close_function(),
                           1, &arg);
   if (answer.IsEmpty() ||
-      !(answer.ToLocalChecked()->BooleanValue(env->context()).FromJust())) {
+      !(answer.ToLocalChecked()->BooleanValue(env->isolate()))) {
     // Skip to destroy
     stream->Destroy();
   }
@@ -2436,7 +2436,7 @@ void Http2Session::Destroy(const FunctionCallbackInfo<Value>& args) {
   Local<Context> context = env->context();
 
   uint32_t code = args[0]->Uint32Value(context).ToChecked();
-  bool socketDestroyed = args[1]->BooleanValue(context).ToChecked();
+  bool socketDestroyed = args[1]->BooleanValue(env->isolate());
 
   session->Close(code, socketDestroyed);
 }
@@ -2647,12 +2647,11 @@ void Http2Stream::PushPromise(const FunctionCallbackInfo<Value>& args) {
 // Send a PRIORITY frame
 void Http2Stream::Priority(const FunctionCallbackInfo<Value>& args) {
   Environment* env = Environment::GetCurrent(args);
-  Local<Context> context = env->context();
   Http2Stream* stream;
   ASSIGN_OR_RETURN_UNWRAP(&stream, args.Holder());
 
   Http2Priority priority(env, args[0], args[1], args[2]);
-  bool silent = args[3]->BooleanValue(context).ToChecked();
+  bool silent = args[3]->BooleanValue(env->isolate());
 
   CHECK_EQ(stream->SubmitPriority(*priority, silent), 0);
   Debug(stream, "priority submitted");
diff --git a/src/node_i18n.cc b/src/node_i18n.cc
index d2a8c381820fa2..d3e1b96616b5a1 100644
--- a/src/node_i18n.cc
+++ b/src/node_i18n.cc
@@ -733,7 +733,7 @@ static void ToASCII(const FunctionCallbackInfo<Value>& args) {
   CHECK(args[0]->IsString());
   Utf8Value val(env->isolate(), args[0]);
   // optional arg
-  bool lenient = args[1]->BooleanValue(env->context()).FromJust();
+  bool lenient = args[1]->BooleanValue(env->isolate());
   enum idna_mode mode = lenient ? IDNA_LENIENT : IDNA_DEFAULT;
 
   MaybeStackBuffer<char> buf;
diff --git a/src/node_serdes.cc b/src/node_serdes.cc
index 565fb7e3f084d1..27b4e9e8b49e6b 100644
--- a/src/node_serdes.cc
+++ b/src/node_serdes.cc
@@ -192,9 +192,8 @@ void SerializerContext::SetTreatArrayBufferViewsAsHostObjects(
   SerializerContext* ctx;
   ASSIGN_OR_RETURN_UNWRAP(&ctx, args.Holder());
 
-  Maybe<bool> value = args[0]->BooleanValue(ctx->env()->context());
-  if (value.IsNothing()) return;
-  ctx->serializer_.SetTreatArrayBufferViewsAsHostObjects(value.FromJust());
+  bool value = args[0]->BooleanValue(ctx->env()->isolate());
+  ctx->serializer_.SetTreatArrayBufferViewsAsHostObjects(value);
 }
 
 void SerializerContext::ReleaseBuffer(const FunctionCallbackInfo<Value>& args) {
diff --git a/src/spawn_sync.cc b/src/spawn_sync.cc
index 4aad9d8a14a7b4..eb16719b0517ee 100644
--- a/src/spawn_sync.cc
+++ b/src/spawn_sync.cc
@@ -740,7 +740,8 @@ Local<Array> SyncProcessRunner::BuildOutputArray() {
 }
 
 Maybe<int> SyncProcessRunner::ParseOptions(Local<Value> js_value) {
-  HandleScope scope(env()->isolate());
+  Isolate* isolate = env()->isolate();
+  HandleScope scope(isolate);
   int r;
 
   if (!js_value->IsObject()) return Just<int>(UV_EINVAL);
@@ -797,19 +798,19 @@ Maybe<int> SyncProcessRunner::ParseOptions(Local<Value> js_value) {
 
   Local<Value> js_detached =
       js_options->Get(context, env()->detached_string()).ToLocalChecked();
-  if (js_detached->BooleanValue(context).FromJust())
+  if (js_detached->BooleanValue(isolate))
     uv_process_options_.flags |= UV_PROCESS_DETACHED;
 
   Local<Value> js_win_hide =
       js_options->Get(context, env()->windows_hide_string()).ToLocalChecked();
-  if (js_win_hide->BooleanValue(context).FromJust())
+  if (js_win_hide->BooleanValue(isolate))
     uv_process_options_.flags |= UV_PROCESS_WINDOWS_HIDE;
 
   Local<Value> js_wva =
       js_options->Get(context, env()->windows_verbatim_arguments_string())
           .ToLocalChecked();
 
-  if (js_wva->BooleanValue(context).FromJust())
+  if (js_wva->BooleanValue(isolate))
     uv_process_options_.flags |= UV_PROCESS_WINDOWS_VERBATIM_ARGUMENTS;
 
   Local<Value> js_timeout =
@@ -889,14 +890,15 @@ int SyncProcessRunner::ParseStdioOption(int child_fd,
     return AddStdioIgnore(child_fd);
 
   } else if (js_type->StrictEquals(env()->pipe_string())) {
+    Isolate* isolate = env()->isolate();
     Local<String> rs = env()->readable_string();
     Local<String> ws = env()->writable_string();
 
     bool readable = js_stdio_option->Get(context, rs)
-        .ToLocalChecked()->BooleanValue(context).FromJust();
+        .ToLocalChecked()->BooleanValue(isolate);
     bool writable =
         js_stdio_option->Get(context, ws)
-        .ToLocalChecked()->BooleanValue(context).FromJust();
+        .ToLocalChecked()->BooleanValue(isolate);
 
     uv_buf_t buf = uv_buf_init(nullptr, 0);