diff --git a/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/AbstractChainedDescriptor.kt b/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/AbstractChainedDescriptor.kt
index 51896a3630f..cd3eccf8c45 100644
--- a/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/AbstractChainedDescriptor.kt
+++ b/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/AbstractChainedDescriptor.kt
@@ -26,14 +26,6 @@ abstract class AbstractChainedDescriptor<T> : Descriptor<T>(), ChainedDescriptor
     return mSuper
   }
 
-  /** Initialize a descriptor. */
-  final override fun init() {
-    mSuper?.init()
-    onInit()
-  }
-
-  open fun onInit() {}
-
   final override fun getActiveChild(node: T): Any? {
     // ask each descriptor in the chain for an active child, if none available look up the chain
     // until no more super descriptors
@@ -58,7 +50,7 @@ abstract class AbstractChainedDescriptor<T> : Descriptor<T>(), ChainedDescriptor
     return onGetName(node)
   }
 
-  abstract fun onGetActiveChild(node: T): Any?
+  open fun onGetActiveChild(node: T): Any? = null
 
   abstract fun onGetName(node: T): String
 
diff --git a/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ActivityDescriptor.kt b/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ActivityDescriptor.kt
index 69d958979bb..e18dc9fcadb 100644
--- a/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ActivityDescriptor.kt
+++ b/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ActivityDescriptor.kt
@@ -11,11 +11,7 @@ import android.app.Activity
 import com.facebook.flipper.plugins.uidebugger.common.InspectableObject
 import com.facebook.flipper.plugins.uidebugger.stetho.FragmentCompat
 
-class ActivityDescriptor : AbstractChainedDescriptor<Activity>() {
-  override fun onInit() {}
-  override fun onGetActiveChild(node: Activity): Any? {
-    return null
-  }
+object ActivityDescriptor : AbstractChainedDescriptor<Activity>() {
 
   override fun onGetId(activity: Activity): String {
     return Integer.toString(System.identityHashCode(activity))
diff --git a/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ApplicationRefDescriptor.kt b/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ApplicationRefDescriptor.kt
index d76b8fbf722..534038b48db 100644
--- a/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ApplicationRefDescriptor.kt
+++ b/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ApplicationRefDescriptor.kt
@@ -8,12 +8,10 @@
 package com.facebook.flipper.plugins.uidebugger.descriptors
 
 import android.app.Activity
-import com.facebook.flipper.plugins.uidebugger.common.InspectableObject
 import com.facebook.flipper.plugins.uidebugger.core.ApplicationRef
 
-class ApplicationRefDescriptor : AbstractChainedDescriptor<ApplicationRef>() {
+object ApplicationRefDescriptor : AbstractChainedDescriptor<ApplicationRef>() {
 
-  override fun onInit() {}
   override fun onGetActiveChild(node: ApplicationRef): Any? {
     return if (node.activitiesStack.size > 0) node.activitiesStack.last() else null
   }
@@ -34,9 +32,4 @@ class ApplicationRefDescriptor : AbstractChainedDescriptor<ApplicationRef>() {
       children.add(activity)
     }
   }
-
-  override fun onGetData(
-      applicationRef: ApplicationRef,
-      attributeSections: MutableMap<String, InspectableObject>
-  ) {}
 }
diff --git a/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ButtonDescriptor.kt b/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ButtonDescriptor.kt
index 740e4a548f1..ff040474eda 100644
--- a/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ButtonDescriptor.kt
+++ b/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ButtonDescriptor.kt
@@ -10,7 +10,7 @@ package com.facebook.flipper.plugins.uidebugger.descriptors
 import android.widget.Button
 import com.facebook.flipper.plugins.uidebugger.common.InspectableObject
 
-class ButtonDescriptor : AbstractChainedDescriptor<Button>() {
+object ButtonDescriptor : AbstractChainedDescriptor<Button>() {
 
   override fun onGetId(button: Button): String {
     return Integer.toString(System.identityHashCode(button))
@@ -24,9 +24,4 @@ class ButtonDescriptor : AbstractChainedDescriptor<Button>() {
       button: Button,
       attributeSections: MutableMap<String, InspectableObject>
   ) {}
-
-  override fun onGetChildren(button: Button, children: MutableList<Any>) {}
-  override fun onGetActiveChild(node: Button): Any? {
-    return null
-  }
 }
diff --git a/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/DescriptorRegister.kt b/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/DescriptorRegister.kt
index 7dc90dc04f7..0824741c463 100644
--- a/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/DescriptorRegister.kt
+++ b/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/DescriptorRegister.kt
@@ -24,15 +24,15 @@ class DescriptorRegister {
 
     fun withDefaults(): DescriptorRegister {
       val mapping = DescriptorRegister()
-      mapping.register(Any::class.java, ObjectDescriptor())
-      mapping.register(ApplicationRef::class.java, ApplicationRefDescriptor())
-      mapping.register(Activity::class.java, ActivityDescriptor())
-      mapping.register(Window::class.java, WindowDescriptor())
-      mapping.register(ViewGroup::class.java, ViewGroupDescriptor())
-      mapping.register(View::class.java, ViewDescriptor())
-      mapping.register(TextView::class.java, TextViewDescriptor())
-      mapping.register(Button::class.java, ButtonDescriptor())
-      mapping.register(ViewPager::class.java, ViewPagerDescriptor())
+      mapping.register(Any::class.java, ObjectDescriptor)
+      mapping.register(ApplicationRef::class.java, ApplicationRefDescriptor)
+      mapping.register(Activity::class.java, ActivityDescriptor)
+      mapping.register(Window::class.java, WindowDescriptor)
+      mapping.register(ViewGroup::class.java, ViewGroupDescriptor)
+      mapping.register(View::class.java, ViewDescriptor)
+      mapping.register(TextView::class.java, TextViewDescriptor)
+      mapping.register(Button::class.java, ButtonDescriptor)
+      mapping.register(ViewPager::class.java, ViewPagerDescriptor)
 
       for (clazz in mapping.register.keys) {
         val descriptor: Descriptor<*>? = mapping.register[clazz]
diff --git a/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/NodeDescriptor.kt b/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/NodeDescriptor.kt
index c6f196f3199..af41f2b6c6f 100644
--- a/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/NodeDescriptor.kt
+++ b/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/NodeDescriptor.kt
@@ -9,10 +9,14 @@ package com.facebook.flipper.plugins.uidebugger.descriptors
 
 import com.facebook.flipper.plugins.uidebugger.common.InspectableObject
 
-interface NodeDescriptor<T> {
-  /** Initialize a descriptor. */
-  fun init()
+/*
+ Descriptors are an extension point used during traversal to extract data out of arbitary
+ objects in the hierachy. Descriptors can represent native view or declarative components or
+ any type of object such as an activity
 
+ Descriptors should be stateless and each descriptor should be a singleton
+*/
+interface NodeDescriptor<T> {
   /**
    * A globally unique ID used to identify a node in a hierarchy. If your node does not have a
    * globally unique ID it is fine to rely on [System.identityHashCode].
diff --git a/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ObjectDescriptor.kt b/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ObjectDescriptor.kt
index 95eeeebcae0..54e06adcec9 100644
--- a/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ObjectDescriptor.kt
+++ b/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ObjectDescriptor.kt
@@ -9,11 +9,9 @@ package com.facebook.flipper.plugins.uidebugger.descriptors
 
 import com.facebook.flipper.plugins.uidebugger.common.InspectableObject
 
-class ObjectDescriptor : Descriptor<Any>() {
-  override fun init() {}
-  override fun getActiveChild(node: Any): Any? {
-    return null
-  }
+object ObjectDescriptor : Descriptor<Any>() {
+
+  override fun getActiveChild(node: Any): Any? = null
 
   override fun getId(obj: Any): String {
     return Integer.toString(System.identityHashCode(obj))
diff --git a/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/TextViewDescriptor.kt b/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/TextViewDescriptor.kt
index 0dcfd9e2d88..ee8ed8d48a0 100644
--- a/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/TextViewDescriptor.kt
+++ b/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/TextViewDescriptor.kt
@@ -10,7 +10,7 @@ package com.facebook.flipper.plugins.uidebugger.descriptors
 import android.widget.TextView
 import com.facebook.flipper.plugins.uidebugger.common.InspectableObject
 
-class TextViewDescriptor : AbstractChainedDescriptor<TextView>() {
+object TextViewDescriptor : AbstractChainedDescriptor<TextView>() {
 
   override fun onGetId(textView: TextView): String {
     return Integer.toString(System.identityHashCode(textView))
@@ -20,14 +20,8 @@ class TextViewDescriptor : AbstractChainedDescriptor<TextView>() {
     return textView.javaClass.simpleName
   }
 
-  override fun onGetChildren(textView: TextView, children: MutableList<Any>) {}
-
   override fun onGetData(
       textView: TextView,
       attributeSections: MutableMap<String, InspectableObject>
   ) {}
-
-  override fun onGetActiveChild(node: TextView): Any? {
-    return null
-  }
 }
diff --git a/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ViewDescriptor.kt b/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ViewDescriptor.kt
index 8953e3b4a05..aa337238ae9 100644
--- a/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ViewDescriptor.kt
+++ b/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ViewDescriptor.kt
@@ -22,7 +22,7 @@ import com.facebook.flipper.plugins.uidebugger.common.InspectableValue
 import com.facebook.flipper.plugins.uidebugger.stetho.ResourcesUtil
 import java.lang.reflect.Field
 
-class ViewDescriptor : AbstractChainedDescriptor<View>() {
+object ViewDescriptor : AbstractChainedDescriptor<View>() {
 
   override fun onGetId(view: View): String {
     return Integer.toBinaryString(System.identityHashCode(view))
@@ -32,8 +32,6 @@ class ViewDescriptor : AbstractChainedDescriptor<View>() {
     return view.javaClass.simpleName
   }
 
-  override fun onGetChildren(view: View, children: MutableList<Any>) {}
-
   override fun onGetData(view: View, attributeSections: MutableMap<String, InspectableObject>) {
     val positionOnScreen = IntArray(2)
     view.getLocationOnScreen(positionOnScreen)
@@ -239,25 +237,19 @@ class ViewDescriptor : AbstractChainedDescriptor<View>() {
                   "FILL_HORIZONTAL" to Gravity.FILL_HORIZONTAL,
               )) {}
 
-  companion object {
-    private var KeyedTagsField: Field? = null
-    private var ListenerInfoField: Field? = null
-    private var OnClickListenerField: Field? = null
-
-    init {
-      try {
-        KeyedTagsField = View::class.java.getDeclaredField("mKeyedTags")
-        KeyedTagsField?.let { field -> field.isAccessible = true }
-        ListenerInfoField = View::class.java.getDeclaredField("mListenerInfo")
-        ListenerInfoField?.let { field -> field.isAccessible = true }
-        val viewInfoClassName = View::class.java.name + "\$ListenerInfo"
-        OnClickListenerField = Class.forName(viewInfoClassName).getDeclaredField("mOnClickListener")
-        OnClickListenerField?.let { field -> field.isAccessible = true }
-      } catch (ignored: Exception) {}
-    }
-  }
-
-  override fun onGetActiveChild(node: View): Any? {
-    return null
+  private var KeyedTagsField: Field? = null
+  private var ListenerInfoField: Field? = null
+  private var OnClickListenerField: Field? = null
+
+  init {
+    try {
+      KeyedTagsField = View::class.java.getDeclaredField("mKeyedTags")
+      KeyedTagsField?.let { field -> field.isAccessible = true }
+      ListenerInfoField = View::class.java.getDeclaredField("mListenerInfo")
+      ListenerInfoField?.let { field -> field.isAccessible = true }
+      val viewInfoClassName = View::class.java.name + "\$ListenerInfo"
+      OnClickListenerField = Class.forName(viewInfoClassName).getDeclaredField("mOnClickListener")
+      OnClickListenerField?.let { field -> field.isAccessible = true }
+    } catch (ignored: Exception) {}
   }
 }
diff --git a/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ViewGroupDescriptor.kt b/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ViewGroupDescriptor.kt
index 9184efb6b37..24b7c5a8cd2 100644
--- a/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ViewGroupDescriptor.kt
+++ b/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ViewGroupDescriptor.kt
@@ -18,7 +18,7 @@ import com.facebook.flipper.plugins.uidebugger.common.InspectableObject
 import com.facebook.flipper.plugins.uidebugger.common.InspectableValue
 import com.facebook.flipper.plugins.uidebugger.stetho.FragmentCompat
 
-class ViewGroupDescriptor : AbstractChainedDescriptor<ViewGroup>() {
+object ViewGroupDescriptor : AbstractChainedDescriptor<ViewGroup>() {
 
   override fun onGetId(viewGroup: ViewGroup): String {
     return Integer.toString(System.identityHashCode(viewGroup))
@@ -69,24 +69,18 @@ class ViewGroupDescriptor : AbstractChainedDescriptor<ViewGroup>() {
                   "LAYOUT_MODE_OPTICAL_BOUNDS" to ViewGroupCompat.LAYOUT_MODE_OPTICAL_BOUNDS,
               )) {}
 
-  companion object {
-    private fun getAttachedFragmentForView(v: View): Any? {
-      return try {
-        val fragment = FragmentCompat.findFragmentForView(v)
-        var added = false
-        if (fragment is Fragment) {
-          added = fragment.isAdded
-        } else if (fragment is androidx.fragment.app.Fragment) {
-          added = fragment.isAdded
-        }
-        if (added) fragment else null
-      } catch (e: RuntimeException) {
-        null
+  private fun getAttachedFragmentForView(v: View): Any? {
+    return try {
+      val fragment = FragmentCompat.findFragmentForView(v)
+      var added = false
+      if (fragment is Fragment) {
+        added = fragment.isAdded
+      } else if (fragment is androidx.fragment.app.Fragment) {
+        added = fragment.isAdded
       }
+      if (added) fragment else null
+    } catch (e: RuntimeException) {
+      null
     }
   }
-
-  override fun onGetActiveChild(node: ViewGroup): Any? {
-    return null
-  }
 }
diff --git a/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ViewPagerDescriptor.kt b/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ViewPagerDescriptor.kt
index 09d08d1da5b..f9ec967d71c 100644
--- a/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ViewPagerDescriptor.kt
+++ b/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/ViewPagerDescriptor.kt
@@ -9,7 +9,7 @@ package com.facebook.flipper.plugins.uidebugger.descriptors
 
 import androidx.viewpager.widget.ViewPager
 
-class ViewPagerDescriptor : AbstractChainedDescriptor<ViewPager>() {
+object ViewPagerDescriptor : AbstractChainedDescriptor<ViewPager>() {
 
   override fun onGetId(node: ViewPager): String = System.identityHashCode(node).toString()
 
diff --git a/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/WindowDescriptor.kt b/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/WindowDescriptor.kt
index 8e74a57ae7f..61250cec5b9 100644
--- a/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/WindowDescriptor.kt
+++ b/android/src/main/java/com/facebook/flipper/plugins/uidebugger/descriptors/WindowDescriptor.kt
@@ -8,9 +8,8 @@
 package com.facebook.flipper.plugins.uidebugger.descriptors
 
 import android.view.Window
-import com.facebook.flipper.plugins.uidebugger.common.InspectableObject
 
-class WindowDescriptor : AbstractChainedDescriptor<Window>() {
+object WindowDescriptor : AbstractChainedDescriptor<Window>() {
 
   override fun onGetId(window: Window): String {
     return Integer.toString(System.identityHashCode(window))
@@ -23,13 +22,4 @@ class WindowDescriptor : AbstractChainedDescriptor<Window>() {
   override fun onGetChildren(window: Window, children: MutableList<Any>) {
     children.add(window.decorView)
   }
-
-  override fun onGetData(
-      window: Window,
-      attributeSections: MutableMap<String, InspectableObject>
-  ) {}
-
-  override fun onGetActiveChild(node: Window): Any? {
-    return null
-  }
 }