diff --git a/runtime/docs/timeline.md b/runtime/docs/timeline.md
index dbab9706e36..bed61056c3e 100644
--- a/runtime/docs/timeline.md
+++ b/runtime/docs/timeline.md
@@ -30,7 +30,7 @@ Streams, also called categories, are sets of events whose recordering can be ena
 | `CompilerVerbose` | Events for detailed compiler phases. |
 | `Dart` | Events created by `dart:developer`'s `Timeline` etc. |
 | `Debugger` | |
-| `Embedder` | Events created by `Dart_TimelineEvent`. |
+| `Embedder` | Events created by `Dart_RecordTimelineEvent`. |
 | `GC` | Events related to garbage collection or heap iteration. |
 | `Isolate` | Isolate or isolate group lifecycle events such as startup or shutdown. |
 | `VM` | VM lifecycle events such a startup or shutdown. |
diff --git a/runtime/include/dart_tools_api.h b/runtime/include/dart_tools_api.h
index 7b706bc977d..77bc4085702 100644
--- a/runtime/include/dart_tools_api.h
+++ b/runtime/include/dart_tools_api.h
@@ -353,44 +353,6 @@ typedef enum {
   Dart_Timeline_Event_Flow_End,       // Phase = 'f'.
 } Dart_Timeline_Event_Type;
 
-/**
- * Add a timeline event to the embedder stream.
- *
- * DEPRECATED: this function will be removed in Dart SDK v3.2.
- *
- * \param label The name of the event. Its lifetime must extend at least until
- *     Dart_Cleanup.
- * \param timestamp0 The first timestamp of the event.
- * \param timestamp1_or_id When reporting an event of type
- *     |Dart_Timeline_Event_Duration|, the second (end) timestamp of the event
- *     should be passed through |timestamp1_or_id|. When reporting an event of
- *     type |Dart_Timeline_Event_Async_Begin|, |Dart_Timeline_Event_Async_End|,
- *     or |Dart_Timeline_Event_Async_Instant|, the async ID associated with the
- *     event should be passed through |timestamp1_or_id|. When reporting an
- *     event of type |Dart_Timeline_Event_Flow_Begin|,
- *     |Dart_Timeline_Event_Flow_Step|, or |Dart_Timeline_Event_Flow_End|, the
- *     flow ID associated with the event should be passed through
- *     |timestamp1_or_id|. When reporting an event of type
- *     |Dart_Timeline_Event_Begin| or |Dart_Timeline_Event_End|, the event ID
- *     associated with the event should be passed through |timestamp1_or_id|.
- *     Note that this event ID will only be used by the MacOS recorder. The
- *     argument to |timestamp1_or_id| will not be used when reporting events of
- *     other types.
- * \param argument_count The number of argument names and values.
- * \param argument_names An array of names of the arguments. The lifetime of the
- *     names must extend at least until Dart_Cleanup. The array may be reclaimed
- *     when this call returns.
- * \param argument_values An array of values of the arguments. The values and
- *     the array may be reclaimed when this call returns.
- */
-DART_EXPORT void Dart_TimelineEvent(const char* label,
-                                    int64_t timestamp0,
-                                    int64_t timestamp1_or_id,
-                                    Dart_Timeline_Event_Type type,
-                                    intptr_t argument_count,
-                                    const char** argument_names,
-                                    const char** argument_values);
-
 /**
  * Add a timeline event to the embedder stream.
  *
@@ -520,8 +482,8 @@ typedef void (*Dart_TimelineRecorderCallback)(
  * The callback will be invoked without a current isolate.
  *
  * The callback will be invoked on the thread completing the event. Because
- * `Dart_TimelineEvent` may be called by any thread, the callback may be called
- * on any thread.
+ * `Dart_RecordTimelineEvent` may be called by any thread, the callback may be
+ * called on any thread.
  *
  * The callback may be invoked at any time after `Dart_Initialize` is called and
  * before `Dart_Cleanup` returns.
diff --git a/runtime/tests/vm/dart/exported_symbols_test.dart b/runtime/tests/vm/dart/exported_symbols_test.dart
index d466fe341c0..fe5a693d5cb 100644
--- a/runtime/tests/vm/dart/exported_symbols_test.dart
+++ b/runtime/tests/vm/dart/exported_symbols_test.dart
@@ -337,7 +337,6 @@ main() {
     "Dart_ThreadDisableProfiling",
     "Dart_ThreadEnableProfiling",
     "Dart_ThrowException",
-    "Dart_TimelineEvent",
     "Dart_TimelineGetMicros",
     "Dart_TimelineGetTicks",
     "Dart_TimelineGetTicksFrequency",
diff --git a/runtime/vm/dart_api_impl.cc b/runtime/vm/dart_api_impl.cc
index 1076a708857..3d2e21904b7 100644
--- a/runtime/vm/dart_api_impl.cc
+++ b/runtime/vm/dart_api_impl.cc
@@ -6436,18 +6436,6 @@ DART_EXPORT int64_t Dart_TimelineGetTicksFrequency() {
   return OS::GetCurrentMonotonicFrequency();
 }
 
-DART_EXPORT void Dart_TimelineEvent(const char* label,
-                                    int64_t timestamp0,
-                                    int64_t timestamp1_or_id,
-                                    Dart_Timeline_Event_Type type,
-                                    intptr_t argument_count,
-                                    const char** argument_names,
-                                    const char** argument_values) {
-  Dart_RecordTimelineEvent(label, timestamp0, timestamp1_or_id,
-                           /*flow_id_count=*/0, /*flow_ids=*/nullptr, type,
-                           argument_count, argument_names, argument_values);
-}
-
 DART_EXPORT void Dart_RecordTimelineEvent(const char* label,
                                           int64_t timestamp0,
                                           int64_t timestamp1_or_id,
diff --git a/runtime/vm/service.cc b/runtime/vm/service.cc
index 452f9c12e0d..3c5593ea4f9 100644
--- a/runtime/vm/service.cc
+++ b/runtime/vm/service.cc
@@ -4734,7 +4734,7 @@ static intptr_t GetProcessMemoryUsageHelper(JSONStream* js) {
         timeline.AddProperty("name", "Timeline");
         timeline.AddProperty(
             "description",
-            "Timeline events from dart:developer and Dart_TimelineEvent");
+            "Timeline events from dart:developer and Dart_RecordTimelineEvent");
         intptr_t size = Timeline::recorder()->Size();
         vm_size += size;
         timeline.AddProperty64("size", size);