diff --git a/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp b/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
index fa31643..9b10c94 100644
--- a/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
+++ b/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
@@ -64,17 +64,6 @@
 
 void DisplayTransactionTest::injectMockScheduler(PhysicalDisplayId displayId) {
     LOG_ALWAYS_FATAL_IF(mFlinger.scheduler());
-
-    EXPECT_CALL(*mEventThread, registerDisplayEventConnection(_));
-    EXPECT_CALL(*mEventThread, createEventConnection(_, _))
-            .WillOnce(Return(
-                    sp<EventThreadConnection>::make(mEventThread, mock::EventThread::kCallingUid)));
-
-    EXPECT_CALL(*mSFEventThread, registerDisplayEventConnection(_));
-    EXPECT_CALL(*mSFEventThread, createEventConnection(_, _))
-            .WillOnce(Return(sp<EventThreadConnection>::make(mSFEventThread,
-                                                             mock::EventThread::kCallingUid)));
-
     mFlinger.setupScheduler(std::make_unique<mock::VsyncController>(),
                             std::make_shared<mock::VSyncTracker>(),
                             std::unique_ptr<EventThread>(mEventThread),
diff --git a/services/surfaceflinger/tests/unittests/SchedulerTest.cpp b/services/surfaceflinger/tests/unittests/SchedulerTest.cpp
index 45ca7e2..ac09cbc 100644
--- a/services/surfaceflinger/tests/unittests/SchedulerTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SchedulerTest.cpp
@@ -124,7 +124,7 @@
 
     // createConnection call to scheduler makes a createEventConnection call to EventThread. Make
     // sure that call gets executed and returns an EventThread::Connection object.
-    EXPECT_CALL(*mEventThread, createEventConnection(_, _))
+    EXPECT_CALL(*mEventThread, createEventConnection(_))
             .WillRepeatedly(Return(mEventThreadConnection));
 
     mScheduler->setEventThread(Cycle::Render, std::move(eventThread));
@@ -797,7 +797,7 @@
 
     const auto mockConnection1 = sp<MockEventThreadConnection>::make(mEventThread);
     const auto mockConnection2 = sp<MockEventThreadConnection>::make(mEventThread);
-    EXPECT_CALL(*mEventThread, createEventConnection(_, _))
+    EXPECT_CALL(*mEventThread, createEventConnection(_))
             .WillOnce(Return(mockConnection1))
             .WillOnce(Return(mockConnection2));
 
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayModeSwitching.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayModeSwitching.cpp
index 4b0a7c3..8699621 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayModeSwitching.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayModeSwitching.cpp
@@ -187,16 +187,6 @@
     mAppEventThread = eventThread.get();
     auto sfEventThread = std::make_unique<mock::EventThread>();
 
-    EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
-    EXPECT_CALL(*eventThread, createEventConnection(_, _))
-            .WillOnce(Return(sp<EventThreadConnection>::make(eventThread.get(),
-                                                             mock::EventThread::kCallingUid)));
-
-    EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
-    EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
-            .WillOnce(Return(sp<EventThreadConnection>::make(sfEventThread.get(),
-                                                             mock::EventThread::kCallingUid)));
-
     auto vsyncController = std::make_unique<mock::VsyncController>();
     auto vsyncTracker = std::make_shared<mock::VSyncTracker>();
 
diff --git a/services/surfaceflinger/tests/unittests/TestableScheduler.h b/services/surfaceflinger/tests/unittests/TestableScheduler.h
index df16b2e..d92f891 100644
--- a/services/surfaceflinger/tests/unittests/TestableScheduler.h
+++ b/services/surfaceflinger/tests/unittests/TestableScheduler.h
@@ -74,10 +74,8 @@
     void setEventThread(Cycle cycle, std::unique_ptr<EventThread> eventThreadPtr) {
         if (cycle == Cycle::Render) {
             mRenderEventThread = std::move(eventThreadPtr);
-            mRenderEventConnection = mRenderEventThread->createEventConnection();
         } else {
             mLastCompositeEventThread = std::move(eventThreadPtr);
-            mLastCompositeEventConnection = mLastCompositeEventThread->createEventConnection();
         }
     }
 
diff --git a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
index 725354b..347a396 100644
--- a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
+++ b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
@@ -16,7 +16,6 @@
 
 #pragma once
 
-#include <algorithm>
 #include <chrono>
 #include <memory>
 #include <variant>
@@ -44,7 +43,6 @@
 #include "Layer.h"
 #include "NativeWindowSurface.h"
 #include "RenderArea.h"
-#include "Scheduler/MessageQueue.h"
 #include "Scheduler/RefreshRateSelector.h"
 #include "SurfaceFlinger.h"
 #include "TestableScheduler.h"
@@ -60,7 +58,6 @@
 
 #include "Scheduler/VSyncTracker.h"
 #include "Scheduler/VsyncController.h"
-#include "mock/MockVSyncDispatch.h"
 #include "mock/MockVSyncTracker.h"
 #include "mock/MockVsyncController.h"
 
@@ -88,9 +85,7 @@
 public:
     ~Factory() = default;
 
-    std::unique_ptr<HWComposer> createHWComposer(const std::string&) override {
-        return nullptr;
-    }
+    std::unique_ptr<HWComposer> createHWComposer(const std::string&) override { return nullptr; }
 
     std::unique_ptr<scheduler::VsyncConfiguration> createVsyncConfiguration(
             Fps /*currentRefreshRate*/) override {
@@ -276,17 +271,6 @@
 
         auto eventThread = makeMock<mock::EventThread>(options.useNiceMock);
         auto sfEventThread = makeMock<mock::EventThread>(options.useNiceMock);
-
-        EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
-        EXPECT_CALL(*eventThread, createEventConnection(_, _))
-                .WillOnce(Return(sp<EventThreadConnection>::make(eventThread.get(),
-                                                                 mock::EventThread::kCallingUid)));
-
-        EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
-        EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
-                .WillOnce(Return(sp<EventThreadConnection>::make(sfEventThread.get(),
-                                                                 mock::EventThread::kCallingUid)));
-
         auto vsyncController = makeMock<mock::VsyncController>(options.useNiceMock);
         auto vsyncTracker = makeSharedMock<mock::VSyncTracker>(options.useNiceMock);
 
@@ -502,7 +486,7 @@
     }
 
     auto getDisplayNativePrimaries(const sp<IBinder>& displayToken,
-                                   ui::DisplayPrimaries &primaries) {
+                                   ui::DisplayPrimaries& primaries) {
         return mFlinger->SurfaceFlinger::getDisplayNativePrimaries(displayToken, primaries);
     }
 
diff --git a/services/surfaceflinger/tests/unittests/mock/MockEventThread.h b/services/surfaceflinger/tests/unittests/mock/MockEventThread.h
index 8dd1a34..7398cbe 100644
--- a/services/surfaceflinger/tests/unittests/mock/MockEventThread.h
+++ b/services/surfaceflinger/tests/unittests/mock/MockEventThread.h
@@ -24,21 +24,11 @@
 
 class EventThread : public android::EventThread {
 public:
-    static constexpr auto kCallingUid = static_cast<uid_t>(0);
-
     EventThread();
     ~EventThread() override;
 
-    // TODO(b/302035909): workaround otherwise gtest complains about
-    //  error: no viable conversion from
-    //  'tuple<android::ftl::Flags<android::gui::ISurfaceComposer::EventRegistration> &&>' to 'const
-    //  tuple<android::ftl::Flags<android::gui::ISurfaceComposer::EventRegistration>>'
-    sp<EventThreadConnection> createEventConnection(EventRegistrationFlags flags) const override {
-        return createEventConnection(false, flags);
-    }
-    MOCK_METHOD(sp<EventThreadConnection>, createEventConnection, (bool, EventRegistrationFlags),
-                (const));
-
+    MOCK_METHOD(sp<EventThreadConnection>, createEventConnection, (EventRegistrationFlags),
+                (const, override));
     MOCK_METHOD(void, enableSyntheticVsync, (bool), (override));
     MOCK_METHOD(void, onHotplugReceived, (PhysicalDisplayId, bool), (override));
     MOCK_METHOD(void, onHotplugConnectionError, (int32_t), (override));