diff --git a/packages/react-native/ReactCommon/react/renderer/runtimescheduler/ErrorUtils.h b/packages/react-native/ReactCommon/react/renderer/runtimescheduler/ErrorUtils.h
deleted file mode 100644
index c15de49aac6b..000000000000
--- a/packages/react-native/ReactCommon/react/renderer/runtimescheduler/ErrorUtils.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
-
-#pragma once
-
-#include <jsi/jsi.h>
-
-namespace facebook::react {
-
-inline static void handleFatalError(
-    jsi::Runtime& runtime,
-    const jsi::JSError& error) {
-  auto reportFatalError = "reportFatalError";
-  auto errorUtils = runtime.global().getProperty(runtime, "ErrorUtils");
-  if (errorUtils.isUndefined() || !errorUtils.isObject() ||
-      !errorUtils.getObject(runtime).hasProperty(runtime, reportFatalError)) {
-    // ErrorUtils was not set up. This probably means the bundle didn't
-    // load properly.
-    throw jsi::JSError(
-        runtime,
-        "ErrorUtils is not set up properly. Something probably went wrong trying to load the JS bundle. Trying to report error " +
-            error.getMessage(),
-        error.getStack());
-  }
-
-  auto func = errorUtils.asObject(runtime).getPropertyAsFunction(
-      runtime, reportFatalError);
-
-  func.call(runtime, error.value());
-}
-
-} // namespace facebook::react
diff --git a/packages/react-native/ReactCommon/react/renderer/runtimescheduler/RuntimeScheduler.cpp b/packages/react-native/ReactCommon/react/renderer/runtimescheduler/RuntimeScheduler.cpp
index ffad447dc366..804e7cf10be9 100644
--- a/packages/react-native/ReactCommon/react/renderer/runtimescheduler/RuntimeScheduler.cpp
+++ b/packages/react-native/ReactCommon/react/renderer/runtimescheduler/RuntimeScheduler.cpp
@@ -13,7 +13,6 @@
 #include <react/featureflags/ReactNativeFeatureFlags.h>
 #include <react/renderer/debug/SystraceSection.h>
 #include <utility>
-#include "ErrorUtils.h"
 
 namespace facebook::react {
 
diff --git a/packages/react-native/ReactCommon/react/renderer/runtimescheduler/RuntimeScheduler_Legacy.cpp b/packages/react-native/ReactCommon/react/renderer/runtimescheduler/RuntimeScheduler_Legacy.cpp
index 2d13b9b8e645..e16188137413 100644
--- a/packages/react-native/ReactCommon/react/renderer/runtimescheduler/RuntimeScheduler_Legacy.cpp
+++ b/packages/react-native/ReactCommon/react/renderer/runtimescheduler/RuntimeScheduler_Legacy.cpp
@@ -8,10 +8,10 @@
 #include "RuntimeScheduler_Legacy.h"
 #include "SchedulerPriorityUtils.h"
 
+#include <cxxreact/ErrorUtils.h>
 #include <react/renderer/consistency/ScopedShadowTreeRevisionLock.h>
 #include <react/renderer/debug/SystraceSection.h>
 #include <utility>
-#include "ErrorUtils.h"
 
 namespace facebook::react {
 
@@ -139,7 +139,7 @@ void RuntimeScheduler_Legacy::callExpiredTasks(jsi::Runtime& runtime) {
       executeTask(runtime, topPriorityTask, didUserCallbackTimeout);
     }
   } catch (jsi::JSError& error) {
-    handleFatalError(runtime, error);
+    handleJSError(runtime, error, true);
   }
 
   currentPriority_ = previousPriority;
@@ -191,7 +191,7 @@ void RuntimeScheduler_Legacy::startWorkLoop(jsi::Runtime& runtime) {
       executeTask(runtime, topPriorityTask, didUserCallbackTimeout);
     }
   } catch (jsi::JSError& error) {
-    handleFatalError(runtime, error);
+    handleJSError(runtime, error, true);
   }
 
   currentPriority_ = previousPriority;
diff --git a/packages/react-native/ReactCommon/react/renderer/runtimescheduler/RuntimeScheduler_Modern.cpp b/packages/react-native/ReactCommon/react/renderer/runtimescheduler/RuntimeScheduler_Modern.cpp
index c07e2f8c2e9c..8cc6a6deebb0 100644
--- a/packages/react-native/ReactCommon/react/renderer/runtimescheduler/RuntimeScheduler_Modern.cpp
+++ b/packages/react-native/ReactCommon/react/renderer/runtimescheduler/RuntimeScheduler_Modern.cpp
@@ -14,7 +14,6 @@
 #include <react/renderer/debug/SystraceSection.h>
 #include <react/utils/OnScopeExit.h>
 #include <utility>
-#include "ErrorUtils.h"
 
 namespace facebook::react {
 
@@ -211,7 +210,7 @@ void RuntimeScheduler_Modern::startWorkLoop(
       executeTask(runtime, topPriorityTask, currentTime);
     }
   } catch (jsi::JSError& error) {
-    handleFatalError(runtime, error);
+    handleJSError(runtime, error, true);
   }
 
   currentPriority_ = previousPriority;
diff --git a/packages/react-native/ReactCommon/react/runtime/ReactInstance.cpp b/packages/react-native/ReactCommon/react/runtime/ReactInstance.cpp
index 3ed3b1342151..01083b78b501 100644
--- a/packages/react-native/ReactCommon/react/runtime/ReactInstance.cpp
+++ b/packages/react-native/ReactCommon/react/runtime/ReactInstance.cpp
@@ -163,6 +163,8 @@ RuntimeExecutor ReactInstance::getBufferedRuntimeExecutor() noexcept {
   };
 }
 
+// TODO(T184010230): Should the RuntimeScheduler returned from this method be
+// buffered?
 std::shared_ptr<RuntimeScheduler>
 ReactInstance::getRuntimeScheduler() noexcept {
   return runtimeScheduler_;