diff --git a/services/surfaceflinger/tests/unittests/CompositionTest.cpp b/services/surfaceflinger/tests/unittests/CompositionTest.cpp
index 17ef6ff..19a93e1 100644
--- a/services/surfaceflinger/tests/unittests/CompositionTest.cpp
+++ b/services/surfaceflinger/tests/unittests/CompositionTest.cpp
@@ -284,13 +284,16 @@
         constexpr auto kDisplayConnectionType = ui::DisplayConnectionType::Internal;
         constexpr bool kIsPrimary = true;
 
-        test->mDisplay = FakeDisplayDeviceInjector(test->mFlinger, compositionDisplay,
-                                                   kDisplayConnectionType, HWC_DISPLAY, kIsPrimary)
-                                 .setDisplaySurface(test->mDisplaySurface)
-                                 .setNativeWindow(test->mNativeWindow)
-                                 .setSecure(Derived::IS_SECURE)
-                                 .setPowerMode(Derived::INIT_POWER_MODE)
-                                 .inject();
+        test->mDisplay =
+                FakeDisplayDeviceInjector(test->mFlinger, compositionDisplay,
+                                          kDisplayConnectionType, HWC_DISPLAY, kIsPrimary)
+                        .setDisplaySurface(test->mDisplaySurface)
+                        .setNativeWindow(test->mNativeWindow)
+                        .setSecure(Derived::IS_SECURE)
+                        .setPowerMode(Derived::INIT_POWER_MODE)
+                        .setRefreshRateSelector(test->mFlinger.scheduler()->refreshRateSelector())
+                        .skipRegisterDisplay()
+                        .inject();
         Mock::VerifyAndClear(test->mNativeWindow.get());
 
         constexpr bool kIsInternal = kDisplayConnectionType == ui::DisplayConnectionType::Internal;
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_PowerHintTest.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_PowerHintTest.cpp
index 9699fc2..7839ef0 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_PowerHintTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_PowerHintTest.cpp
@@ -92,6 +92,8 @@
                     .setDisplaySurface(mDisplaySurface)
                     .setNativeWindow(mNativeWindow)
                     .setPowerMode(hal::PowerMode::ON)
+                    .setRefreshRateSelector(mFlinger.scheduler()->refreshRateSelector())
+                    .skipRegisterDisplay()
                     .inject();
 }
 
diff --git a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
index 4488038..0649333 100644
--- a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
+++ b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
@@ -855,6 +855,11 @@
             return *this;
         }
 
+        auto& skipRegisterDisplay() {
+            mRegisterDisplay = false;
+            return *this;
+        }
+
         sp<DisplayDevice> inject() NO_THREAD_SAFETY_ANALYSIS {
             const auto displayId = mCreationArgs.compositionDisplay->getDisplayId();
 
@@ -918,7 +923,7 @@
                                                                       ui::ColorModes(),
                                                                       std::nullopt);
 
-                if (mFlinger.scheduler()) {
+                if (mFlinger.scheduler() && mRegisterDisplay) {
                     mFlinger.scheduler()->registerDisplay(physicalId,
                                                           display->holdRefreshRateSelector());
                 }
@@ -937,6 +942,7 @@
         sp<BBinder> mDisplayToken = sp<BBinder>::make();
         DisplayDeviceCreationArgs mCreationArgs;
         DisplayModes mDisplayModes;
+        bool mRegisterDisplay = true;
         const std::optional<ui::DisplayConnectionType> mConnectionType;
         const std::optional<hal::HWDisplayId> mHwcDisplayId;
     };