diff --git a/libs/gui/FrameTimestamps.cpp b/libs/gui/FrameTimestamps.cpp
index fccca97..a379ad6 100644
--- a/libs/gui/FrameTimestamps.cpp
+++ b/libs/gui/FrameTimestamps.cpp
@@ -628,7 +628,6 @@
         ALOGE("FrameEventHistoryDelta assign clobbering history.");
     }
     mDeltas = std::move(src.mDeltas);
-    ALOGE_IF(src.mDeltas.empty(), "Source mDeltas not empty.");
     return *this;
 }
 
diff --git a/libs/vr/libbufferhubqueue/buffer_hub_queue_client.cpp b/libs/vr/libbufferhubqueue/buffer_hub_queue_client.cpp
index a5cefd9..c75c67f 100644
--- a/libs/vr/libbufferhubqueue/buffer_hub_queue_client.cpp
+++ b/libs/vr/libbufferhubqueue/buffer_hub_queue_client.cpp
@@ -31,20 +31,6 @@
 
 namespace {
 
-// Polls an fd for the given events.
-Status<int> PollEvents(int fd, short events) {
-  const int kTimeoutMs = 0;
-  pollfd pfd{fd, events, 0};
-  const int count = RETRY_EINTR(poll(&pfd, 1, kTimeoutMs));
-  if (count < 0) {
-    return ErrorStatus(errno);
-  } else if (count == 0) {
-    return ErrorStatus(ETIMEDOUT);
-  } else {
-    return {pfd.revents};
-  }
-}
-
 std::pair<int32_t, int32_t> Unstuff(uint64_t value) {
   return {static_cast<int32_t>(value >> 32),
           static_cast<int32_t>(value & ((1ull << 32) - 1))};
@@ -670,27 +656,7 @@
     const std::shared_ptr<BufferConsumer>& buffer, size_t slot) {
   ALOGD_IF(TRACE, "ConsumerQueue::AddBuffer: queue_id=%d buffer_id=%d slot=%zu",
            id(), buffer->id(), slot);
-  auto status = BufferHubQueue::AddBuffer(buffer, slot);
-  if (!status)
-    return status;
-
-  // Check to see if the buffer is already signaled. This is necessary to catch
-  // cases where buffers are already available; epoll edge triggered mode does
-  // not fire until an edge transition when adding new buffers to the epoll
-  // set. Note that we only poll the fd events because HandleBufferEvent() takes
-  // care of checking the translated buffer events.
-  auto poll_status = PollEvents(buffer->event_fd(), POLLIN);
-  if (!poll_status && poll_status.error() != ETIMEDOUT) {
-    ALOGE("ConsumerQueue::AddBuffer: Failed to poll consumer buffer: %s",
-          poll_status.GetErrorMessage().c_str());
-    return poll_status.error_status();
-  }
-
-  // Update accounting if the buffer is available.
-  if (poll_status)
-    return HandleBufferEvent(slot, buffer->event_fd(), poll_status.get());
-  else
-    return {};
+  return BufferHubQueue::AddBuffer(buffer, slot);
 }
 
 Status<std::shared_ptr<BufferConsumer>> ConsumerQueue::Dequeue(
diff --git a/libs/vr/libbufferhubqueue/tests/buffer_hub_queue-test.cpp b/libs/vr/libbufferhubqueue/tests/buffer_hub_queue-test.cpp
index 3efa723..47a2734 100644
--- a/libs/vr/libbufferhubqueue/tests/buffer_hub_queue-test.cpp
+++ b/libs/vr/libbufferhubqueue/tests/buffer_hub_queue-test.cpp
@@ -329,7 +329,9 @@
 
   // Check that buffers are correctly imported on construction.
   EXPECT_EQ(consumer_queue_->capacity(), kBufferCount);
-  EXPECT_EQ(consumer_queue_->count(), 1U);
+  // Buffers are only imported, but their availability is not checked until
+  // first call to Dequeue().
+  EXPECT_EQ(consumer_queue_->count(), 0U);
 
   // Reclaim released/ignored buffers.
   EXPECT_EQ(producer_queue_->count(), kBufferCount - 1);
diff --git a/services/surfaceflinger/BufferLayer.cpp b/services/surfaceflinger/BufferLayer.cpp
index e8f4150..7d9d4f6 100644
--- a/services/surfaceflinger/BufferLayer.cpp
+++ b/services/surfaceflinger/BufferLayer.cpp
@@ -75,17 +75,6 @@
 }
 
 BufferLayer::~BufferLayer() {
-    sp<Client> c(mClientRef.promote());
-    if (c != 0) {
-        c->detachLayer(this);
-    }
-
-    for (auto& point : mRemoteSyncPoints) {
-        point->setTransactionApplied();
-    }
-    for (auto& point : mLocalSyncPoints) {
-        point->setFrameAvailable();
-    }
     mFlinger->deleteTextureAsync(mTextureName);
 
     if (!getBE().mHwcLayers.empty()) {
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index fa4d289..13df1e2 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -142,6 +142,17 @@
 void Layer::onFirstRef() {}
 
 Layer::~Layer() {
+    sp<Client> c(mClientRef.promote());
+    if (c != 0) {
+        c->detachLayer(this);
+    }
+
+    for (auto& point : mRemoteSyncPoints) {
+        point->setTransactionApplied();
+    }
+    for (auto& point : mLocalSyncPoints) {
+        point->setFrameAvailable();
+    }
     mFrameTracker.logAndResetStats(mName);
 }