diff --git a/libs/gui/ISurfaceComposer.cpp b/libs/gui/ISurfaceComposer.cpp
index 2699368..ff6b558 100644
--- a/libs/gui/ISurfaceComposer.cpp
+++ b/libs/gui/ISurfaceComposer.cpp
@@ -62,7 +62,7 @@
 
     status_t setTransactionState(
             const FrameTimelineInfo& frameTimelineInfo, Vector<ComposerState>& state,
-            Vector<DisplayState>& displays, uint32_t flags, const sp<IBinder>& applyToken,
+            const Vector<DisplayState>& displays, uint32_t flags, const sp<IBinder>& applyToken,
             InputWindowCommands commands, int64_t desiredPresentTime, bool isAutoTimestamp,
             const std::vector<client_cache_t>& uncacheBuffers, bool hasListenerCallbacks,
             const std::vector<ListenerCallbacks>& listenerCallbacks, uint64_t transactionId,
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 5db5394..af91bb3 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -1059,8 +1059,7 @@
     uncacheBuffer.token = BufferCache::getInstance().getToken();
     uncacheBuffer.id = cacheId;
     Vector<ComposerState> composerStates;
-    Vector<DisplayState> displayStates;
-    status_t status = sf->setTransactionState(FrameTimelineInfo{}, composerStates, displayStates,
+    status_t status = sf->setTransactionState(FrameTimelineInfo{}, composerStates, {},
                                               ISurfaceComposer::eOneWay,
                                               Transaction::getDefaultApplyToken(), {}, systemTime(),
                                               true, {uncacheBuffer}, false, {}, generateId(), {});
diff --git a/libs/gui/include/gui/ISurfaceComposer.h b/libs/gui/include/gui/ISurfaceComposer.h
index 1ecc216..eb4a802 100644
--- a/libs/gui/include/gui/ISurfaceComposer.h
+++ b/libs/gui/include/gui/ISurfaceComposer.h
@@ -112,7 +112,7 @@
     /* open/close transactions. requires ACCESS_SURFACE_FLINGER permission */
     virtual status_t setTransactionState(
             const FrameTimelineInfo& frameTimelineInfo, Vector<ComposerState>& state,
-            Vector<DisplayState>& displays, uint32_t flags, const sp<IBinder>& applyToken,
+            const Vector<DisplayState>& displays, uint32_t flags, const sp<IBinder>& applyToken,
             InputWindowCommands inputWindowCommands, int64_t desiredPresentTime,
             bool isAutoTimestamp, const std::vector<client_cache_t>& uncacheBuffer,
             bool hasListenerCallbacks, const std::vector<ListenerCallbacks>& listenerCallbacks,
diff --git a/libs/gui/tests/Surface_test.cpp b/libs/gui/tests/Surface_test.cpp
index 5e91088..43cd0f8 100644
--- a/libs/gui/tests/Surface_test.cpp
+++ b/libs/gui/tests/Surface_test.cpp
@@ -636,7 +636,7 @@
 
     status_t setTransactionState(
             const FrameTimelineInfo& /*frameTimelineInfo*/, Vector<ComposerState>& /*state*/,
-            Vector<DisplayState>& /*displays*/, uint32_t /*flags*/,
+            const Vector<DisplayState>& /*displays*/, uint32_t /*flags*/,
             const sp<IBinder>& /*applyToken*/, InputWindowCommands /*inputWindowCommands*/,
             int64_t /*desiredPresentTime*/, bool /*isAutoTimestamp*/,
             const std::vector<client_cache_t>& /*cachedBuffer*/, bool /*hasListenerCallbacks*/,