diff --git a/api/current.txt b/api/current.txt
index 86cba27320f89..f545c82af47ed 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -48291,7 +48291,6 @@ package android.view.textclassifier {
   }
 
   public final class TextClassificationManager {
-    method public java.util.List<android.view.textclassifier.TextLanguage> detectLanguages(java.lang.CharSequence);
     method public android.view.textclassifier.TextClassifier getTextClassifier();
     method public void setTextClassifier(android.view.textclassifier.TextClassifier);
   }
@@ -48330,20 +48329,6 @@ package android.view.textclassifier {
     field public static final java.lang.String TYPE_URL = "url";
   }
 
-  public final class TextLanguage {
-    method public float getConfidenceScore(java.util.Locale);
-    method public int getEndIndex();
-    method public java.util.Locale getLanguage(int);
-    method public int getLanguageCount();
-    method public int getStartIndex();
-  }
-
-  public static final class TextLanguage.Builder {
-    ctor public TextLanguage.Builder(int, int);
-    method public android.view.textclassifier.TextLanguage build();
-    method public android.view.textclassifier.TextLanguage.Builder setLanguage(java.util.Locale, float);
-  }
-
   public final class TextSelection {
     method public float getConfidenceScore(java.lang.String);
     method public java.lang.String getEntity(int);
diff --git a/api/system-current.txt b/api/system-current.txt
index cd27c3fadfc6d..da333625e5674 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -51872,7 +51872,6 @@ package android.view.textclassifier {
   }
 
   public final class TextClassificationManager {
-    method public java.util.List<android.view.textclassifier.TextLanguage> detectLanguages(java.lang.CharSequence);
     method public android.view.textclassifier.TextClassifier getTextClassifier();
     method public void setTextClassifier(android.view.textclassifier.TextClassifier);
   }
@@ -51911,20 +51910,6 @@ package android.view.textclassifier {
     field public static final java.lang.String TYPE_URL = "url";
   }
 
-  public final class TextLanguage {
-    method public float getConfidenceScore(java.util.Locale);
-    method public int getEndIndex();
-    method public java.util.Locale getLanguage(int);
-    method public int getLanguageCount();
-    method public int getStartIndex();
-  }
-
-  public static final class TextLanguage.Builder {
-    ctor public TextLanguage.Builder(int, int);
-    method public android.view.textclassifier.TextLanguage build();
-    method public android.view.textclassifier.TextLanguage.Builder setLanguage(java.util.Locale, float);
-  }
-
   public final class TextSelection {
     method public float getConfidenceScore(java.lang.String);
     method public java.lang.String getEntity(int);
diff --git a/api/test-current.txt b/api/test-current.txt
index 21fce0d34f94a..346121efcf5e4 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -48686,7 +48686,6 @@ package android.view.textclassifier {
   }
 
   public final class TextClassificationManager {
-    method public java.util.List<android.view.textclassifier.TextLanguage> detectLanguages(java.lang.CharSequence);
     method public android.view.textclassifier.TextClassifier getTextClassifier();
     method public void setTextClassifier(android.view.textclassifier.TextClassifier);
   }
@@ -48725,20 +48724,6 @@ package android.view.textclassifier {
     field public static final java.lang.String TYPE_URL = "url";
   }
 
-  public final class TextLanguage {
-    method public float getConfidenceScore(java.util.Locale);
-    method public int getEndIndex();
-    method public java.util.Locale getLanguage(int);
-    method public int getLanguageCount();
-    method public int getStartIndex();
-  }
-
-  public static final class TextLanguage.Builder {
-    ctor public TextLanguage.Builder(int, int);
-    method public android.view.textclassifier.TextLanguage build();
-    method public android.view.textclassifier.TextLanguage.Builder setLanguage(java.util.Locale, float);
-  }
-
   public final class TextSelection {
     method public float getConfidenceScore(java.lang.String);
     method public java.lang.String getEntity(int);
diff --git a/core/java/android/view/textclassifier/TextClassificationManager.java b/core/java/android/view/textclassifier/TextClassificationManager.java
index dcdbe5738b037..6b641dbfef8e5 100644
--- a/core/java/android/view/textclassifier/TextClassificationManager.java
+++ b/core/java/android/view/textclassifier/TextClassificationManager.java
@@ -82,6 +82,7 @@ public final class TextClassificationManager {
      * This is a blocking operation you should avoid calling it on the UI thread.
      *
      * @throws IllegalArgumentException if text is null
+     * @hide
      */
     public List<TextLanguage> detectLanguages(@NonNull CharSequence text) {
         Preconditions.checkArgument(text != null);
diff --git a/core/java/android/view/textclassifier/TextLanguage.java b/core/java/android/view/textclassifier/TextLanguage.java
index d94d163577e14..209813a2beac6 100644
--- a/core/java/android/view/textclassifier/TextLanguage.java
+++ b/core/java/android/view/textclassifier/TextLanguage.java
@@ -28,6 +28,7 @@ import java.util.Locale;
 
 /**
  * Specifies detected languages for a section of text indicated by a start and end index.
+ * @hide
  */
 public final class TextLanguage {