diff --git a/api/current.txt b/api/current.txt
index 397e8bdaf2203..e4db6091d7631 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -48530,12 +48530,12 @@ package android.util {
     method @Nullable public static java.util.List<java.lang.String> getTimeZoneIdsForCountryCode(@NonNull String);
   }
 
-  public class TimingLogger {
-    ctor public TimingLogger(String, String);
-    method public void addSplit(String);
-    method public void dumpToLog();
-    method public void reset(String, String);
-    method public void reset();
+  @Deprecated public class TimingLogger {
+    ctor @Deprecated public TimingLogger(String, String);
+    method @Deprecated public void addSplit(String);
+    method @Deprecated public void dumpToLog();
+    method @Deprecated public void reset(String, String);
+    method @Deprecated public void reset();
   }
 
   public class TypedValue {
diff --git a/core/java/android/util/TimingLogger.java b/core/java/android/util/TimingLogger.java
index be442dac630af..5a4a512c283b2 100644
--- a/core/java/android/util/TimingLogger.java
+++ b/core/java/android/util/TimingLogger.java
@@ -44,7 +44,14 @@ import android.os.SystemClock;
  *     D/TAG     ( 3459): methodA:      6 ms, work C
  *     D/TAG     ( 3459): methodA: end, 16 ms
  * </pre>
+ *
+ * @deprecated Use {@link android.os.Trace}, or
+ *   <a href="https://developer.android.com/studio/profile/benchmark">Android Studio</a>. In
+ *   general, milliseconds is the wrong granularity for method-level tracing. Rounding errors
+ *   can overemphasize cheap operations, or underemphasize repeated operations. This timing
+ *   system also does not take CPU scheduling or frequency into account.
  */
+@Deprecated
 public class TimingLogger {
 
     /**