diff --git a/services/audioflinger/AudioPolicyService.cpp b/services/audioflinger/AudioPolicyService.cpp
index a37272d..6ea5324 100644
--- a/services/audioflinger/AudioPolicyService.cpp
+++ b/services/audioflinger/AudioPolicyService.cpp
@@ -678,6 +678,10 @@
     if (!mAudioCommands.isEmpty()) {
         release_wake_lock(mName.string());
     }
+    for (size_t k=0; k < mAudioCommands.size(); k++) {
+        delete mAudioCommands[k]->mParam;
+        delete mAudioCommands[k];
+    }
     mAudioCommands.clear();
     delete mpToneGenerator;
 }
@@ -849,7 +853,7 @@
     ToneData *data = new ToneData();
     data->mType = type;
     data->mStream = stream;
-    command->mParam = (void *)data;
+    command->mParam = data;
     Mutex::Autolock _l(mLock);
     insertCommand_l(command);
     ALOGV("AudioCommandThread() adding tone start type %d, stream %d", type, stream);
@@ -950,7 +954,7 @@
     data->mIO = output;
     data->mStream = stream;
     data->mSession = session;
-    command->mParam = (void *)data;
+    command->mParam = data;
     Mutex::Autolock _l(mLock);
     insertCommand_l(command);
     ALOGV("AudioCommandThread() adding stop output %d", output);
@@ -963,7 +967,7 @@
     command->mCommand = RELEASE_OUTPUT;
     ReleaseOutputData *data = new ReleaseOutputData();
     data->mIO = output;
-    command->mParam = (void *)data;
+    command->mParam = data;
     Mutex::Autolock _l(mLock);
     insertCommand_l(command);
     ALOGV("AudioCommandThread() adding release output %d", output);
@@ -1052,6 +1056,10 @@
         for (size_t k = i + 1; k < mAudioCommands.size(); k++) {
             if (mAudioCommands[k] == removedCommands[j]) {
                 ALOGV("suppressing command: %d", mAudioCommands[k]->mCommand);
+                // for commands that are not filtered,
+                // command->mParam is deleted in threadLoop
+                delete mAudioCommands[k]->mParam;
+                delete mAudioCommands[k];
                 mAudioCommands.removeAt(k);
                 break;
             }