diff --git a/libs/vr/libbufferhubqueue/tests/Android.bp b/libs/vr/libbufferhubqueue/tests/Android.bp
index abeb719..5eba913 100644
--- a/libs/vr/libbufferhubqueue/tests/Android.bp
+++ b/libs/vr/libbufferhubqueue/tests/Android.bp
@@ -68,6 +68,8 @@
         "-DLOG_TAG=\"buffer_transport_benchmark\"",
         "-DTRACE=0",
         "-O2",
+        "-Wall",
+        "-Werror",
     ],
     name: "buffer_transport_benchmark",
     tags: ["optional"],
diff --git a/libs/vr/libbufferhubqueue/tests/buffer_transport_benchmark.cpp b/libs/vr/libbufferhubqueue/tests/buffer_transport_benchmark.cpp
index 658b496..d4d25b0 100644
--- a/libs/vr/libbufferhubqueue/tests/buffer_transport_benchmark.cpp
+++ b/libs/vr/libbufferhubqueue/tests/buffer_transport_benchmark.cpp
@@ -34,7 +34,6 @@
 static const String16 kBinderService = String16("bufferTransport");
 static const uint32_t kBufferWidth = 100;
 static const uint32_t kBufferHeight = 1;
-static const uint32_t kBufferLayerCount = 1;
 static const uint32_t kBufferFormat = HAL_PIXEL_FORMAT_BLOB;
 static const uint64_t kBufferUsage =
     GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN;
@@ -75,10 +74,9 @@
  private:
   struct FrameListener : public ConsumerBase::FrameAvailableListener {
    public:
-    FrameListener(BufferTransportService* service,
+    FrameListener(BufferTransportService* /*service*/,
                   sp<BufferItemConsumer> buffer_item_consumer)
-        : service_(service),
-          buffer_item_consumer_(buffer_item_consumer) {}
+        : buffer_item_consumer_(buffer_item_consumer) {}
 
     void onFrameAvailable(const BufferItem& /*item*/) override {
       BufferItem buffer;
@@ -106,7 +104,6 @@
     }
 
    private:
-    BufferTransportService* service_ = nullptr;
     sp<BufferItemConsumer> buffer_item_consumer_;
   };