diff --git a/packages/react-native/ReactAndroid/api/ReactAndroid.api b/packages/react-native/ReactAndroid/api/ReactAndroid.api
index ae66b2a73a48..60893586c9d1 100644
--- a/packages/react-native/ReactAndroid/api/ReactAndroid.api
+++ b/packages/react-native/ReactAndroid/api/ReactAndroid.api
@@ -1904,29 +1904,6 @@ public final class com/facebook/react/common/mapbuffer/ReadableMapBuffer : com/f
 public final class com/facebook/react/common/mapbuffer/ReadableMapBuffer$Companion {
 }
 
-public final class com/facebook/react/common/mapbuffer/WritableMapBuffer : com/facebook/react/common/mapbuffer/MapBuffer {
-	public fun <init> ()V
-	public fun contains (I)Z
-	public fun entryAt (I)Lcom/facebook/react/common/mapbuffer/MapBuffer$Entry;
-	public fun getBoolean (I)Z
-	public fun getCount ()I
-	public fun getDouble (I)D
-	public fun getInt (I)I
-	public fun getKeyOffset (I)I
-	public fun getLong (I)J
-	public fun getMapBuffer (I)Lcom/facebook/react/common/mapbuffer/MapBuffer;
-	public fun getMapBufferList (I)Ljava/util/List;
-	public fun getString (I)Ljava/lang/String;
-	public fun getType (I)Lcom/facebook/react/common/mapbuffer/MapBuffer$DataType;
-	public fun iterator ()Ljava/util/Iterator;
-	public final fun put (ID)Lcom/facebook/react/common/mapbuffer/WritableMapBuffer;
-	public final fun put (II)Lcom/facebook/react/common/mapbuffer/WritableMapBuffer;
-	public final fun put (IJ)Lcom/facebook/react/common/mapbuffer/WritableMapBuffer;
-	public final fun put (ILcom/facebook/react/common/mapbuffer/MapBuffer;)Lcom/facebook/react/common/mapbuffer/WritableMapBuffer;
-	public final fun put (ILjava/lang/String;)Lcom/facebook/react/common/mapbuffer/WritableMapBuffer;
-	public final fun put (IZ)Lcom/facebook/react/common/mapbuffer/WritableMapBuffer;
-}
-
 public final class com/facebook/react/config/ReactFeatureFlags {
 	public static final field INSTANCE Lcom/facebook/react/config/ReactFeatureFlags;
 	public static field dispatchPointerEvents Z
diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/common/mapbuffer/WritableMapBuffer.kt b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/common/mapbuffer/WritableMapBuffer.kt
index 5b9b80a7ce76..d75e8a39a8a2 100644
--- a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/common/mapbuffer/WritableMapBuffer.kt
+++ b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/common/mapbuffer/WritableMapBuffer.kt
@@ -23,7 +23,7 @@ import javax.annotation.concurrent.NotThreadSafe
 @StableReactNativeAPI
 @NotThreadSafe
 @DoNotStrip
-public class WritableMapBuffer : MapBuffer {
+internal class WritableMapBuffer : MapBuffer {
   private val values: SparseArray<Any> = SparseArray<Any>()
 
   /*
@@ -37,7 +37,7 @@ public class WritableMapBuffer : MapBuffer {
    * @param value entry value
    * @throws IllegalArgumentException if key is out of [UShort] range
    */
-  public fun put(key: Int, value: Boolean): WritableMapBuffer = putInternal(key, value)
+  fun put(key: Int, value: Boolean): WritableMapBuffer = putInternal(key, value)
 
   /**
    * Adds an int value for given key to the MapBuffer.
@@ -46,7 +46,7 @@ public class WritableMapBuffer : MapBuffer {
    * @param value entry value
    * @throws IllegalArgumentException if key is out of [UShort] range
    */
-  public fun put(key: Int, value: Int): WritableMapBuffer = putInternal(key, value)
+  fun put(key: Int, value: Int): WritableMapBuffer = putInternal(key, value)
 
   /**
    * Adds a long value for given key to the MapBuffer.
@@ -55,7 +55,7 @@ public class WritableMapBuffer : MapBuffer {
    * @param value entry value
    * @throws IllegalArgumentException if key is out of [UShort] range
    */
-  public fun put(key: Int, value: Long): WritableMapBuffer = putInternal(key, value)
+  fun put(key: Int, value: Long): WritableMapBuffer = putInternal(key, value)
 
   /**
    * Adds a double value for given key to the MapBuffer.
@@ -64,7 +64,7 @@ public class WritableMapBuffer : MapBuffer {
    * @param value entry value
    * @throws IllegalArgumentException if key is out of [UShort] range
    */
-  public fun put(key: Int, value: Double): WritableMapBuffer = putInternal(key, value)
+  fun put(key: Int, value: Double): WritableMapBuffer = putInternal(key, value)
 
   /**
    * Adds a string value for given key to the MapBuffer.
@@ -73,7 +73,7 @@ public class WritableMapBuffer : MapBuffer {
    * @param value entry value
    * @throws IllegalArgumentException if key is out of [UShort] range
    */
-  public fun put(key: Int, value: String): WritableMapBuffer = putInternal(key, value)
+  fun put(key: Int, value: String): WritableMapBuffer = putInternal(key, value)
 
   /**
    * Adds a [MapBuffer] value for given key to the current MapBuffer.
@@ -82,7 +82,7 @@ public class WritableMapBuffer : MapBuffer {
    * @param value entry value
    * @throws IllegalArgumentException if key is out of [UShort] range
    */
-  public fun put(key: Int, value: MapBuffer): WritableMapBuffer = putInternal(key, value)
+  fun put(key: Int, value: MapBuffer): WritableMapBuffer = putInternal(key, value)
 
   private fun putInternal(key: Int, value: Any): WritableMapBuffer {
     require(key in KEY_RANGE) {