diff --git a/audio/aidl/default/downmix/DownmixSw.cpp b/audio/aidl/default/downmix/DownmixSw.cpp
index 0af95d0..81a4c89 100644
--- a/audio/aidl/default/downmix/DownmixSw.cpp
+++ b/audio/aidl/default/downmix/DownmixSw.cpp
@@ -14,12 +14,10 @@
  * limitations under the License.
  */
 
-#include <cstddef>
-#define LOG_TAG "AHAL_DownmixSw"
-#include <Utils.h>
 #include <algorithm>
-#include <unordered_set>
+#include <cstddef>
 
+#define LOG_TAG "AHAL_DownmixSw"
 #include <android-base/logging.h>
 #include <fmq/AidlMessageQueue.h>