diff --git a/libs/adbd_auth/adbd_auth.cpp b/libs/adbd_auth/adbd_auth.cpp
index 78896ed..d31cb3d 100644
--- a/libs/adbd_auth/adbd_auth.cpp
+++ b/libs/adbd_auth/adbd_auth.cpp
@@ -390,13 +390,16 @@
         }
     }
 
-    static constexpr const char* key_paths[] = {"/adb_keys", "/data/misc/adb/adb_keys"};
+    static constexpr std::pair<const char*, bool> key_paths[] = {
+        {"/adb_keys",               true  /* follow symlinks */       },
+        {"/data/misc/adb/adb_keys", false /* don't follow symlinks */ },
+    };
     void IteratePublicKeys(bool (*callback)(void*, const char*, size_t), void* opaque) {
-        for (const auto& path : key_paths) {
+        for (const auto& [path, follow_symlinks] : key_paths) {
             if (access(path, R_OK) == 0) {
                 LOG(INFO) << "adbd_auth: loading keys from " << path;
                 std::string content;
-                if (!android::base::ReadFileToString(path, &content)) {
+                if (!android::base::ReadFileToString(path, &content, follow_symlinks)) {
                     PLOG(ERROR) << "adbd_auth: couldn't read " << path;
                     continue;
                 }
diff --git a/libs/gui/BLASTBufferQueue.cpp b/libs/gui/BLASTBufferQueue.cpp
index f8e3fd0..b8d2b5f 100644
--- a/libs/gui/BLASTBufferQueue.cpp
+++ b/libs/gui/BLASTBufferQueue.cpp
@@ -504,13 +504,7 @@
                  callbackId.to_string().c_str());
         return;
     }
-#if COM_ANDROID_GRAPHICS_LIBGUI_FLAGS(BUFFER_RELEASE_CHANNEL)
-    if (!it->second.disconnectedAfterAcquired) {
-        mNumAcquired--;
-    }
-#else
     mNumAcquired--;
-#endif
     BBQ_TRACE("frame=%" PRIu64, callbackId.framenumber);
     BQA_LOGV("released %s", callbackId.to_string().c_str());
     mBufferItemConsumer->releaseBuffer(it->second, releaseFence);
@@ -561,7 +555,7 @@
         applyTransaction = false;
     }
 
-    BLASTBufferItem bufferItem;
+    BufferItem bufferItem;
 
     status_t status =
             mBufferItemConsumer->acquireBuffer(&bufferItem, 0 /* expectedPresent */, false);
@@ -767,9 +761,6 @@
         }
 
         // add to shadow queue
-#if COM_ANDROID_GRAPHICS_LIBGUI_FLAGS(BUFFER_RELEASE_CHANNEL)
-        mNumDequeued--;
-#endif
         mNumFrameAvailable++;
         if (waitForTransactionCallback && mNumFrameAvailable >= 2) {
             acquireAndReleaseBuffer();
@@ -824,17 +815,8 @@
 };
 
 void BLASTBufferQueue::onFrameCancelled(const uint64_t bufferId) {
-    {
-        std::lock_guard _lock{mTimestampMutex};
-        mDequeueTimestamps.erase(bufferId);
-    }
-
-#if COM_ANDROID_GRAPHICS_LIBGUI_FLAGS(BUFFER_RELEASE_CHANNEL)
-    {
-        std::lock_guard lock{mMutex};
-        mNumDequeued--;
-    }
-#endif
+    std::lock_guard _lock{mTimestampMutex};
+    mDequeueTimestamps.erase(bufferId);
 }
 
 bool BLASTBufferQueue::syncNextTransaction(
@@ -1134,116 +1116,6 @@
                                             producerControlledByApp, output);
     }
 
-#if COM_ANDROID_GRAPHICS_LIBGUI_FLAGS(BUFFER_RELEASE_CHANNEL)
-    status_t disconnect(int api, DisconnectMode mode) override {
-        sp<BLASTBufferQueue> bbq = mBLASTBufferQueue.promote();
-        if (!bbq) {
-            return BufferQueueProducer::disconnect(api, mode);
-        }
-
-        std::lock_guard lock{bbq->mMutex};
-        if (status_t status = BufferQueueProducer::disconnect(api, mode); status != OK) {
-            return status;
-        }
-
-        // We need to reset dequeued and acquired counts because BufferQueueProducer::disconnect
-        // calls BufferQueueCore::freeAllBuffersLocked which frees all dequeued and acquired
-        // buffers. We don't reset mNumFrameAvailable because these buffers are still available
-        // in BufferItemConsumer.
-        bbq->mNumDequeued = 0;
-        bbq->mNumAcquired = 0;
-        // SurfaceFlinger sends release callbacks for buffers that have been acquired after a
-        // disconnect. We set disconnectedAfterAcquired to true so that we can ignore any stale
-        // releases that come in after the producer is disconnected. Otherwise, releaseBuffer will
-        // decrement mNumAcquired for a buffer that was acquired before we reset mNumAcquired to
-        // zero.
-        for (auto& [releaseId, bufferItem] : bbq->mSubmitted) {
-            bufferItem.disconnectedAfterAcquired = true;
-        }
-
-        return OK;
-    }
-
-    status_t setAsyncMode(bool asyncMode) override {
-        if (status_t status = BufferQueueProducer::setAsyncMode(asyncMode); status != OK) {
-            return status;
-        }
-
-        sp<BLASTBufferQueue> bbq = mBLASTBufferQueue.promote();
-        if (!bbq) {
-            return OK;
-        }
-
-        {
-            std::lock_guard lock{bbq->mMutex};
-            bbq->mAsyncMode = asyncMode;
-        }
-
-        return OK;
-    }
-
-    status_t setSharedBufferMode(bool sharedBufferMode) override {
-        if (status_t status = BufferQueueProducer::setSharedBufferMode(sharedBufferMode);
-            status != OK) {
-            return status;
-        }
-
-        sp<BLASTBufferQueue> bbq = mBLASTBufferQueue.promote();
-        if (!bbq) {
-            return OK;
-        }
-
-        {
-            std::lock_guard lock{bbq->mMutex};
-            bbq->mSharedBufferMode = sharedBufferMode;
-        }
-
-        return OK;
-    }
-
-    status_t detachBuffer(int slot) override {
-        if (status_t status = BufferQueueProducer::detachBuffer(slot); status != OK) {
-            return status;
-        }
-
-        sp<BLASTBufferQueue> bbq = mBLASTBufferQueue.promote();
-        if (!bbq) {
-            return OK;
-        }
-
-        {
-            std::lock_guard lock{bbq->mMutex};
-            bbq->mNumDequeued--;
-        }
-
-        return OK;
-    }
-
-    status_t dequeueBuffer(int* outSlot, sp<Fence>* outFence, uint32_t width, uint32_t height,
-                           PixelFormat format, uint64_t usage, uint64_t* outBufferAge,
-                           FrameEventHistoryDelta* outTimestamps) override {
-        sp<BLASTBufferQueue> bbq = mBLASTBufferQueue.promote();
-        if (!bbq) {
-            return BufferQueueProducer::dequeueBuffer(outSlot, outFence, width, height, format,
-                                                      usage, outBufferAge, outTimestamps);
-        }
-
-        {
-            std::lock_guard lock{bbq->mMutex};
-            bbq->mNumDequeued++;
-        }
-
-        status_t status =
-                BufferQueueProducer::dequeueBuffer(outSlot, outFence, width, height, format, usage,
-                                                   outBufferAge, outTimestamps);
-        if (status < 0) {
-            std::lock_guard lock{bbq->mMutex};
-            bbq->mNumDequeued--;
-        }
-        return status;
-    }
-#endif
-
     // We want to resize the frame history when changing the size of the buffer queue
     status_t setMaxDequeuedBufferCount(int maxDequeuedBufferCount) override {
         int maxBufferCount;
@@ -1266,13 +1138,6 @@
             bbq->resizeFrameEventHistory(newFrameHistorySize);
         }
 
-#if COM_ANDROID_GRAPHICS_LIBGUI_FLAGS(BUFFER_RELEASE_CHANNEL)
-        {
-            std::lock_guard lock{bbq->mMutex};
-            bbq->mMaxDequeuedBuffers = maxDequeuedBufferCount;
-        }
-#endif
-
         return OK;
     }
 
diff --git a/libs/gui/include/gui/BLASTBufferQueue.h b/libs/gui/include/gui/BLASTBufferQueue.h
index 729d46a..0e7dd20 100644
--- a/libs/gui/include/gui/BLASTBufferQueue.h
+++ b/libs/gui/include/gui/BLASTBufferQueue.h
@@ -187,15 +187,6 @@
     // BufferQueue internally allows 1 more than
     // the max to be acquired
     int32_t mMaxAcquiredBuffers GUARDED_BY(mMutex) = 1;
-#if COM_ANDROID_GRAPHICS_LIBGUI_FLAGS(BUFFER_RELEASE_CHANNEL)
-    int32_t mMaxDequeuedBuffers GUARDED_BY(mMutex) = 1;
-    static constexpr int32_t kMaxBufferCount = BufferQueueDefs::NUM_BUFFER_SLOTS;
-
-    bool mAsyncMode GUARDED_BY(mMutex) = false;
-    bool mSharedBufferMode GUARDED_BY(mMutex) = false;
-
-    int32_t mNumDequeued GUARDED_BY(mMutex) = 0;
-#endif
     int32_t mNumFrameAvailable GUARDED_BY(mMutex) = 0;
     int32_t mNumAcquired GUARDED_BY(mMutex) = 0;
 
@@ -204,16 +195,9 @@
     // latch stale buffers and that we don't wait on barriers from an old producer.
     uint32_t mProducerId = 0;
 
-    class BLASTBufferItem : public BufferItem {
-    public:
-        // True if BBQBufferQueueProducer is disconnected after the buffer is acquried but
-        // before it is released.
-        bool disconnectedAfterAcquired{false};
-    };
-
     // Keep a reference to the submitted buffers so we can release when surfaceflinger drops the
     // buffer or the buffer has been presented and a new buffer is ready to be presented.
-    std::unordered_map<ReleaseCallbackId, BLASTBufferItem, ReleaseBufferCallbackIdHash> mSubmitted
+    std::unordered_map<ReleaseCallbackId, BufferItem, ReleaseBufferCallbackIdHash> mSubmitted
             GUARDED_BY(mMutex);
 
     // Keep a queue of the released buffers instead of immediately releasing