diff --git a/dev/PowerNotifications/PowerNotifications.cpp b/dev/PowerNotifications/PowerNotifications.cpp
index 047b8a003a..5376de2c5f 100644
--- a/dev/PowerNotifications/PowerNotifications.cpp
+++ b/dev/PowerNotifications/PowerNotifications.cpp
@@ -136,10 +136,6 @@ namespace winrt::Microsoft::Windows::System::Power::implementation
     }
 
     // PowerSourceKind Functions
-    EventType& PowerSourceKind_Event()
-    {
-        return Factory()->m_powerSourceKindChangedEvent;
-    }
 
     void PowerSourceKind_Register()
     {
@@ -204,44 +200,9 @@ namespace winrt::Microsoft::Windows::System::Power::implementation
             Factory()->m_systemIdleStatusHandle));
     }
 
-    ULONG GetEffectivePowerModeVersion()
-    {
-        // We check for the version supported by checking if the feature is supported
-        // Using NULL as an indicator for uninitialized cache value
-        auto& version{ Factory()->m_powerModeVersion };
-        if (!version)
-        {
-            void* handle{};
-            auto hr{ PowerRegisterForEffectivePowerModeNotifications(
-                EFFECTIVE_POWER_MODE_V2, [](EFFECTIVE_POWER_MODE, void*) {}, nullptr, &handle) };
-            version = SUCCEEDED(hr) ? EFFECTIVE_POWER_MODE_V2 : EFFECTIVE_POWER_MODE_V1;
-            THROW_IF_FAILED(PowerUnregisterFromEffectivePowerModeNotifications(handle));
-        }
-        return version;
-    }
 
-    EventType& EffectivePowerMode_Event()
-    {
-        return Factory()->m_powerModeChangedEvent;
-    }
 
-    void EffectivePowerMode_Register()
-    {
-        ULONG version{ GetEffectivePowerModeVersion() };
-        auto& powerModeHandle{ Factory()->m_powerModeHandle };
-        THROW_IF_FAILED(PowerRegisterForEffectivePowerModeNotifications(
-            version, [](EFFECTIVE_POWER_MODE mode, void*)
-            {
-                PowerManager::EffectivePowerModeChanged_Callback(mode);
-            }, nullptr, &powerModeHandle));
-    }
 
-    void EffectivePowerMode_Unregister()
-    {
-        auto& powerModeHandle{ Factory()->m_powerModeHandle };
-        THROW_IF_FAILED(PowerUnregisterFromEffectivePowerModeNotifications(powerModeHandle));
-        powerModeHandle = nullptr;
-    }
 
     void EffectivePowerMode_Update()
     {
diff --git a/dev/PowerNotifications/PowerNotifications.h b/dev/PowerNotifications/PowerNotifications.h
index 82d753d6f3..9fa6176c2f 100644
--- a/dev/PowerNotifications/PowerNotifications.h
+++ b/dev/PowerNotifications/PowerNotifications.h
@@ -72,10 +72,6 @@ namespace winrt::Microsoft::Windows::System::Power
         void SystemIdleStatus_Register();
         void SystemIdleStatus_Unregister();
 
-        EventType& EffectivePowerMode_Event();
-        void EffectivePowerMode_Register();
-        void EffectivePowerMode_Unregister();
-        void EffectivePowerMode_Update();
 
         EventType& UserPresenceStatus_Event();
         void UserPresenceStatus_Register();
@@ -202,12 +198,6 @@ namespace winrt::Microsoft::Windows::System::Power
                 &Power::implementation::NoOperation,
                 L"SystemIdleStatus" };
 
-            PowerFunctionDetails effectivePowerModeFunc{
-                &Power::implementation::EffectivePowerMode_Event,
-                &Power::implementation::EffectivePowerMode_Register,
-                &Power::implementation::EffectivePowerMode_Unregister,
-                &Power::implementation::EffectivePowerMode_Update,
-                L"EffectivePowerMode" };
 
             PowerFunctionDetails userPresenceStatusFunc{
                 &Power::implementation::UserPresenceStatus_Event,
@@ -539,14 +529,6 @@ namespace winrt::Microsoft::Windows::System::Power
             }
 
 
-            // EffectivePowerMode Functions
-            winrt::Windows::Foundation::IAsyncOperation<Power::EffectivePowerMode> EffectivePowerMode()
-            {
-                co_await resume_background();
-                UpdateValuesIfNecessary(effectivePowerModeFunc);
-                auto res{ static_cast<Power::EffectivePowerMode>(m_cachedPowerMode) };
-                co_return res;
-            }
 
             Power::EffectivePowerMode EffectivePowerMode2()
             {
diff --git a/dev/PowerNotifications/PowerNotifications.idl b/dev/PowerNotifications/PowerNotifications.idl
index 97ea4344bc..c2030f8370 100644
--- a/dev/PowerNotifications/PowerNotifications.idl
+++ b/dev/PowerNotifications/PowerNotifications.idl
@@ -107,7 +107,6 @@ namespace Microsoft.Windows.System.Power
 
         static event Windows.Foundation.EventHandler<Object> SystemIdleStatusChanged;
 
-        static Windows.Foundation.IAsyncOperation<EffectivePowerMode> EffectivePowerMode{ get; };
         static event Windows.Foundation.EventHandler<Object> EffectivePowerModeChanged;
 
         [contract(PowerNotificationsContract, 2)]
diff --git a/test/PowerNotifications/APITests.cpp b/test/PowerNotifications/APITests.cpp
index d2346eb87e..d0638d9ab5 100644
--- a/test/PowerNotifications/APITests.cpp
+++ b/test/PowerNotifications/APITests.cpp
@@ -231,5 +231,11 @@ namespace Test::PowerNotifications
             VERIFY_IS_NOT_NULL(token);
             PowerManager::SystemSuspendStatusChanged(token);
         }
+
+        TEST_METHOD(GetEffectivePowerMode)
+        {
+            auto value = PowerManager::EffectivePowerMode2();
+            VERIFY_ARE_EQUAL(value, EffectivePowerMode::Balanced);
+        }
     };
 }