diff --git a/libs/gui/ISurfaceComposer.cpp b/libs/gui/ISurfaceComposer.cpp
index fc619c3..b526a6c 100644
--- a/libs/gui/ISurfaceComposer.cpp
+++ b/libs/gui/ISurfaceComposer.cpp
@@ -61,7 +61,7 @@
 
     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 4c561cc..0fda358 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -1047,8 +1047,7 @@
     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 4a3cb33..7c150d5 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 d853f60..096a43c 100644
--- a/libs/gui/tests/Surface_test.cpp
+++ b/libs/gui/tests/Surface_test.cpp
@@ -697,7 +697,7 @@
 
     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*/,
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 3fa93c4..e5b3ec4 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -4507,7 +4507,7 @@
 
 status_t SurfaceFlinger::setTransactionState(
         const FrameTimelineInfo& frameTimelineInfo, Vector<ComposerState>& states,
-        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>& uncacheBuffers, bool hasListenerCallbacks,
         const std::vector<ListenerCallbacks>& listenerCallbacks, uint64_t transactionId,
@@ -4522,7 +4522,7 @@
         composerState.state.sanitize(permissions);
     }
 
-    for (DisplayState& display : displays) {
+    for (DisplayState display : displays) {
         display.sanitize(permissions);
     }
 
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index c196285..4b29be8 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -518,7 +518,7 @@
     sp<IBinder> getPhysicalDisplayToken(PhysicalDisplayId displayId) const;
     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>& uncacheBuffers,
             bool hasListenerCallbacks, const std::vector<ListenerCallbacks>& listenerCallbacks,
diff --git a/services/surfaceflinger/fuzzer/surfaceflinger_fuzzers_utils.h b/services/surfaceflinger/fuzzer/surfaceflinger_fuzzers_utils.h
index f05b9e6..4d03be0 100644
--- a/services/surfaceflinger/fuzzer/surfaceflinger_fuzzers_utils.h
+++ b/services/surfaceflinger/fuzzer/surfaceflinger_fuzzers_utils.h
@@ -739,7 +739,7 @@
 
     auto setTransactionState(
             const FrameTimelineInfo& frameTimelineInfo, Vector<ComposerState>& states,
-            Vector<DisplayState>& displays, uint32_t flags, const sp<IBinder>& applyToken,
+            const Vector<DisplayState>& displays, uint32_t flags, const sp<IBinder>& applyToken,
             const InputWindowCommands& inputWindowCommands, int64_t desiredPresentTime,
             bool isAutoTimestamp, const std::vector<client_cache_t>& uncacheBuffers,
             bool hasListenerCallbacks, std::vector<ListenerCallbacks>& listenerCallbacks,
diff --git a/services/surfaceflinger/tests/Credentials_test.cpp b/services/surfaceflinger/tests/Credentials_test.cpp
index 0599858..2d18166 100644
--- a/services/surfaceflinger/tests/Credentials_test.cpp
+++ b/services/surfaceflinger/tests/Credentials_test.cpp
@@ -27,7 +27,6 @@
 #include <private/android_filesystem_config.h>
 #include <private/gui/ComposerServiceAIDL.h>
 #include <ui/DisplayMode.h>
-#include <ui/DisplayState.h>
 #include <ui/DynamicDisplayInfo.h>
 #include <utils/String8.h>
 #include <functional>
@@ -440,56 +439,6 @@
     }
 }
 
-TEST_F(CredentialsTest, DisplayTransactionPermissionTest) {
-    const auto display = getFirstDisplayToken();
-
-    ui::DisplayState displayState;
-    ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayState(display, &displayState));
-    const ui::Rotation initialOrientation = displayState.orientation;
-
-    // Set display orientation from an untrusted process. This should fail silently.
-    {
-        UIDFaker f{AID_BIN};
-        Transaction transaction;
-        Rect layerStackRect;
-        Rect displayRect;
-        transaction.setDisplayProjection(display, initialOrientation + ui::ROTATION_90,
-                                         layerStackRect, displayRect);
-        transaction.apply(/*synchronous=*/true);
-    }
-
-    // Verify that the display orientation did not change.
-    ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayState(display, &displayState));
-    ASSERT_EQ(initialOrientation, displayState.orientation);
-
-    // Set display orientation from a trusted process.
-    {
-        UIDFaker f{AID_SYSTEM};
-        Transaction transaction;
-        Rect layerStackRect;
-        Rect displayRect;
-        transaction.setDisplayProjection(display, initialOrientation + ui::ROTATION_90,
-                                         layerStackRect, displayRect);
-        transaction.apply(/*synchronous=*/true);
-    }
-
-    // Verify that the display orientation did change.
-    ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayState(display, &displayState));
-    ASSERT_EQ(initialOrientation + ui::ROTATION_90, displayState.orientation);
-
-    // Reset orientation
-    {
-        UIDFaker f{AID_SYSTEM};
-        Transaction transaction;
-        Rect layerStackRect;
-        Rect displayRect;
-        transaction.setDisplayProjection(display, initialOrientation, layerStackRect, displayRect);
-        transaction.apply(/*synchronous=*/true);
-    }
-    ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayState(display, &displayState));
-    ASSERT_EQ(initialOrientation, displayState.orientation);
-}
-
 } // namespace android
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
diff --git a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
index 2464f53..945e488 100644
--- a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
+++ b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
@@ -468,7 +468,7 @@
 
     auto setTransactionState(
             const FrameTimelineInfo& frameTimelineInfo, Vector<ComposerState>& states,
-            Vector<DisplayState>& displays, uint32_t flags, const sp<IBinder>& applyToken,
+            const Vector<DisplayState>& displays, uint32_t flags, const sp<IBinder>& applyToken,
             const InputWindowCommands& inputWindowCommands, int64_t desiredPresentTime,
             bool isAutoTimestamp, const std::vector<client_cache_t>& uncacheBuffers,
             bool hasListenerCallbacks, std::vector<ListenerCallbacks>& listenerCallbacks,