diff --git a/services/soundtrigger/SoundTriggerHalHidl.h b/services/soundtrigger/SoundTriggerHalHidl.h
index 3f4bec3..fb9e39e 100644
--- a/services/soundtrigger/SoundTriggerHalHidl.h
+++ b/services/soundtrigger/SoundTriggerHalHidl.h
@@ -96,12 +96,12 @@
         virtual int stopAllRecognitions();
 
         /* Get the current state of a given model.
-         * Returns 0 or an error code. If successful it also sets indicated the event pointer
-         * and expectes that the caller will free the memory.
+         * Returns 0 or an error code. If successful the state will be returned asynchronously
+         * via a recognition event in the callback method that was registered in the
+         * startRecognition() method.
          * Only supported for device api versions SOUND_TRIGGER_DEVICE_API_VERSION_1_2 or above.
          */
-        virtual int getModelState(sound_model_handle_t handle,
-                                  struct sound_trigger_recognition_event** event);
+        virtual int getModelState(sound_model_handle_t handle);
 
         // ISoundTriggerHwCallback
         virtual ::android::hardware::Return<void> recognitionCallback(