1 files changed, 0 insertions, 36 deletions
diff --git a/src/System.Private.CoreLib/src/Interop/Interop.manual.cs b/src/System.Private.CoreLib/src/Interop/Interop.manual.cs
index c1785e5d3..b54b15522 100644
--- a/src/System.Private.CoreLib/src/Interop/Interop.manual.cs
+++ b/src/System.Private.CoreLib/src/Interop/Interop.manual.cs
@@ -10,51 +10,18 @@ internal partial class Interop
     internal enum Constants : uint
     {
         WaitObject0 = 0x0u,
-        SOk = 0x0u,
         FailFastGenerateExceptionAddress = 0x1u,
         ExceptionNonContinuable = 0x1u,
-        CreateMutexInitialOwner = 0x1u,
-        CreateEventManualReset = 0x1u,
-        MutexModifyState = 0x1u,
-        CreateEventInitialSet = 0x2u,
-        SemaphoreModifyState = 0x2u,
-        EventModifyState = 0x2u,
         DuplicateSameAccess = 0x2u,
-        FileTypeChar = 0x2u,
         CreateSuspended = 0x4u,
         WaitAbandoned0 = 0x80u,
         WaitTimeout = 0x102u,
         StackSizeParamIsAReservation = 0x10000u,
-        Synchronize = 0x100000u,
-        MaximumAllowed = 0x02000000u,
-        EFail = 0x80004005u,
-        CoENotInitialized = 0x800401F0u,
         WaitFailed = 0xFFFFFFFFu,
     }
 
-    // MCG doesn't currently support constants that are not uint.
     internal static IntPtr InvalidHandleValue => new IntPtr(-1);
 
-    internal enum _APTTYPE : uint
-    {
-        APTTYPE_STA = 0x0u,
-        APTTYPE_MTA = 0x1u,
-        APTTYPE_NA = 0x2u,
-        APTTYPE_MAINSTA = 0x3u,
-        APTTYPE_CURRENT = 0xFFFFFFFFu,
-    }
-
-    internal enum _APTTYPEQUALIFIER : uint
-    {
-        APTTYPEQUALIFIER_NONE = 0x0u,
-        APTTYPEQUALIFIER_IMPLICIT_MTA = 0x1u,
-        APTTYPEQUALIFIER_NA_ON_MTA = 0x2u,
-        APTTYPEQUALIFIER_NA_ON_STA = 0x3u,
-        APTTYPEQUALIFIER_NA_ON_IMPLICIT_MTA = 0x4u,
-        APTTYPEQUALIFIER_NA_ON_MAINSTA = 0x5u,
-        APTTYPEQUALIFIER_APPLICATION_STA = 0x6u,
-    }
-
 #pragma warning disable 649
     internal unsafe struct _EXCEPTION_RECORD
     {
@@ -73,9 +40,6 @@ internal partial class Interop
 
     internal partial class mincore
     {
-        [DllImport("api-ms-win-core-com-l1-1-0.dll")]
-        internal extern static int CoGetApartmentType(out _APTTYPE pAptType, out _APTTYPEQUALIFIER pAptQualifier);
-
         [DllImport("api-ms-win-core-debug-l1-1-0.dll", EntryPoint = "IsDebuggerPresent", CharSet = CharSet.Unicode)]
         internal extern static bool IsDebuggerPresent();