diff --git a/media/libmedia/ToneGenerator.cpp b/media/libmedia/ToneGenerator.cpp
index 34445e0..f352d5b 100644
--- a/media/libmedia/ToneGenerator.cpp
+++ b/media/libmedia/ToneGenerator.cpp
@@ -877,6 +877,7 @@
         ALOGV("Delete Track: %p", mpAudioTrack.get());
         mpAudioTrack.clear();
     }
+    clearWaveGens();
 }
 
 ////////////////////////////////////////////////////////////////////////////////