diff --git a/src/libraries/Common/src/Interop/Windows/Ole32/Interop.CoGetObjectContext.cs b/src/libraries/Common/src/Interop/Windows/Ole32/Interop.CoGetObjectContext.cs
index 4326327034382d..c73b065ea59537 100644
--- a/src/libraries/Common/src/Interop/Windows/Ole32/Interop.CoGetObjectContext.cs
+++ b/src/libraries/Common/src/Interop/Windows/Ole32/Interop.CoGetObjectContext.cs
@@ -9,7 +9,7 @@ internal static partial class Interop
 {
     internal static partial class Ole32
     {
-        [DllImport(Libraries.Ole32, PreserveSig = false)]
-        internal static extern IStream CreateStreamOnHGlobal(IntPtr hGlobal, bool fDeleteOnRelease);
+        [DllImport(Libraries.Ole32)]
+        internal static extern int CoGetObjectContext([MarshalAs(UnmanagedType.LPStruct)] Guid riid, out IntPtr ppv);
     }
 }
diff --git a/src/libraries/Common/src/Interop/Windows/Ole32/Interop.CreateStreamOnHGlobal.cs b/src/libraries/Common/src/Interop/Windows/Ole32/Interop.CreateStreamOnHGlobal.cs
index 1b153d786dfbae..d65814a2f51c6b 100644
--- a/src/libraries/Common/src/Interop/Windows/Ole32/Interop.CreateStreamOnHGlobal.cs
+++ b/src/libraries/Common/src/Interop/Windows/Ole32/Interop.CreateStreamOnHGlobal.cs
@@ -8,7 +8,7 @@ internal static partial class Interop
 {
     internal static partial class Ole32
     {
-        [DllImport(Libraries.Ole32)]
-        internal static extern int CoGetObjectContext([MarshalAs(UnmanagedType.LPStruct)] Guid riid, out IntPtr ppv);
+        [DllImport(Libraries.Ole32, PreserveSig = false)]
+        internal static extern IStream CreateStreamOnHGlobal(IntPtr hGlobal, bool fDeleteOnRelease);
     }
 }
diff --git a/src/libraries/System.Management/src/ILLink/ILLink.Suppressions.xml b/src/libraries/System.Management/src/ILLink/ILLink.Suppressions.xml
index 54f262023c9d42..fbf2a09e7eb939 100644
--- a/src/libraries/System.Management/src/ILLink/ILLink.Suppressions.xml
+++ b/src/libraries/System.Management/src/ILLink/ILLink.Suppressions.xml
@@ -31,29 +31,5 @@
       <property name="Scope">member</property>
       <property name="Target">M:System.Management.MTAHelper.WorkerThread</property>
     </attribute>
-    <attribute fullname="System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessageAttribute">
-      <argument>ILLink</argument>
-      <argument>IL2050</argument>
-      <property name="Scope">member</property>
-      <property name="Target">M:Interop.Ole32.CoMarshalInterface(System.Runtime.InteropServices.ComTypes.IStream,System.Guid,System.IntPtr,System.UInt32,System.IntPtr,System.UInt32)</property>
-    </attribute>
-    <attribute fullname="System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessageAttribute">
-      <argument>ILLink</argument>
-      <argument>IL2050</argument>
-      <property name="Scope">member</property>
-      <property name="Target">M:Interop.Ole32.CoUnmarshalInterface(System.Runtime.InteropServices.ComTypes.IStream,System.Guid)</property>
-    </attribute>
-    <attribute fullname="System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessageAttribute">
-      <argument>ILLink</argument>
-      <argument>IL2050</argument>
-      <property name="Scope">member</property>
-      <property name="Target">M:Interop.Ole32.CreateStreamOnHGlobal(System.IntPtr,System.Boolean)</property>
-    </attribute>
-    <attribute fullname="System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessageAttribute">
-      <argument>ILLink</argument>
-      <argument>IL2050</argument>
-      <property name="Scope">member</property>
-      <property name="Target">M:Interop.Ole32.GetHGlobalFromStream(System.Runtime.InteropServices.ComTypes.IStream)</property>
-    </attribute>
   </assembly>
-</linker>
\ No newline at end of file
+</linker>
diff --git a/src/libraries/System.Management/src/System.Management.csproj b/src/libraries/System.Management/src/System.Management.csproj
index 9fac8892aed3ae..2d353115180a81 100644
--- a/src/libraries/System.Management/src/System.Management.csproj
+++ b/src/libraries/System.Management/src/System.Management.csproj
@@ -22,14 +22,6 @@
              Link="Common\Interop\Windows\Kernel32\Interop.LoadLibrary.cs" />
     <Compile Include="$(CommonPath)Interop\Windows\Ole32\Interop.CoGetObjectContext.cs"
              Link="Common\Interop\Windows\Ole32\Interop.CoGetObjectContext.cs" />
-    <Compile Include="$(CommonPath)Interop\Windows\Ole32\Interop.CoMarshalInterface.cs"
-             Link="Common\Interop\Windows\Ole32\Interop.CoMarshalInterface.cs" />
-    <Compile Include="$(CommonPath)Interop\Windows\Ole32\Interop.CoUnmarshalInterface.cs"
-             Link="Common\Interop\Windows\Ole32\Interop.CoUnmarshalInterface.cs" />
-    <Compile Include="$(CommonPath)Interop\Windows\Ole32\Interop.CreateStreamOnHGlobal.cs"
-             Link="Common\Interop\Windows\Ole32\Interop.CreateStreamOnHGlobal.cs" />
-    <Compile Include="$(CommonPath)Interop\Windows\Ole32\Interop.GetHGlobalFromStream.cs"
-             Link="Common\Interop\Windows\Ole32\Interop.GetHGlobalFromStream.cs" />
     <Compile Include="$(CommonPath)Microsoft\Win32\SafeHandles\SafeLibraryHandle.cs"
              Link="Common\Microsoft\Win32\SafeHandles\SafeLibraryHandle.cs" />
     <Compile Include="System\Management\ManagementBaseObject.cs" />