diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/devsupport/PerftestDevSupportManager.java b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/devsupport/PerftestDevSupportManager.java
deleted file mode 100644
index 82bad59c716..00000000000
--- a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/devsupport/PerftestDevSupportManager.java
+++ /dev/null
@@ -1,50 +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.
- */
-
-package com.facebook.react.devsupport;
-
-import android.content.Context;
-import com.facebook.infer.annotation.Nullsafe;
-import com.facebook.react.modules.debug.interfaces.DeveloperSettings;
-
-/**
- * Interface for accessing and interacting with development features related to performance testing.
- * Communication is enabled via the Inspector, but everything else is disabled.
- */
-@Nullsafe(Nullsafe.Mode.LOCAL)
-public final class PerftestDevSupportManager extends ReleaseDevSupportManager {
-  private final DevServerHelper mDevServerHelper;
-  private final DeveloperSettings mDevSettings;
-
-  public PerftestDevSupportManager(Context applicationContext) {
-    mDevSettings =
-        new DevInternalSettings(
-            applicationContext,
-            new DevInternalSettings.Listener() {
-              @Override
-              public void onInternalSettingsChanged() {}
-            });
-    mDevServerHelper =
-        new DevServerHelper(
-            mDevSettings, applicationContext, mDevSettings.getPackagerConnectionSettings());
-  }
-
-  @Override
-  public DeveloperSettings getDevSettings() {
-    return mDevSettings;
-  }
-
-  @Override
-  public void startInspector() {
-    mDevServerHelper.openInspectorConnection();
-  }
-
-  @Override
-  public void stopInspector() {
-    mDevServerHelper.closeInspectorConnection();
-  }
-}
diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/devsupport/PerftestDevSupportManager.kt b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/devsupport/PerftestDevSupportManager.kt
new file mode 100644
index 00000000000..17ae2e8b5ec
--- /dev/null
+++ b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/devsupport/PerftestDevSupportManager.kt
@@ -0,0 +1,38 @@
+/*
+ * 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.
+ */
+
+package com.facebook.react.devsupport
+
+import android.content.Context
+import com.facebook.react.modules.debug.interfaces.DeveloperSettings
+
+/**
+ * Interface for accessing and interacting with development features related to performance testing.
+ * Communication is enabled via the Inspector, but everything else is disabled.
+ */
+public class PerftestDevSupportManager(
+    applicationContext: Context,
+) : ReleaseDevSupportManager() {
+
+  override public val devSettings: DeveloperSettings =
+      DevInternalSettings(
+          applicationContext,
+          object : DevInternalSettings.Listener {
+            override fun onInternalSettingsChanged() = Unit
+          })
+
+  private val devServerHelper: DevServerHelper =
+      DevServerHelper(devSettings, applicationContext, devSettings.packagerConnectionSettings)
+
+  override fun startInspector() {
+    devServerHelper.openInspectorConnection()
+  }
+
+  override fun stopInspector() {
+    devServerHelper.closeInspectorConnection()
+  }
+}