diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.AbortDoc.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.AbortDoc.cs
deleted file mode 100644
index 0326ead026c33..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.AbortDoc.cs
+++ /dev/null
@@ -1,20 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System.Runtime.InteropServices;
-#if NET
-using System.Runtime.InteropServices.Marshalling;
-#endif
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32, SetLastError = true)]
-        internal static partial int AbortDoc(
-#if NET
-            [MarshalUsing(typeof(HandleRefMarshaller))]
-#endif
-            HandleRef hDC);
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.AddFontResourceEx.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.AddFontResourceEx.cs
deleted file mode 100644
index 10aa264b72938..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.AddFontResourceEx.cs
+++ /dev/null
@@ -1,19 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Runtime.InteropServices;
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32, EntryPoint = "AddFontResourceExW", SetLastError = true, StringMarshalling = StringMarshalling.Utf16)]
-        internal static partial int AddFontResourceEx(string lpszFilename, int fl, IntPtr pdv);
-
-        internal static int AddFontFile(string fileName)
-        {
-            return AddFontResourceEx(fileName, /*FR_PRIVATE*/ 0x10, IntPtr.Zero);
-        }
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.BITMAPINFO_FLAT.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.BITMAPINFO_FLAT.cs
deleted file mode 100644
index 9cce923687de8..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.BITMAPINFO_FLAT.cs
+++ /dev/null
@@ -1,30 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System.Runtime.InteropServices;
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        internal const int BITMAPINFO_MAX_COLORSIZE = 256;
-
-        [StructLayout(LayoutKind.Sequential)]
-        internal unsafe struct BITMAPINFO_FLAT
-        {
-            public int bmiHeader_biSize; // = sizeof(BITMAPINFOHEADER)
-            public int bmiHeader_biWidth;
-            public int bmiHeader_biHeight;
-            public short bmiHeader_biPlanes;
-            public short bmiHeader_biBitCount;
-            public int bmiHeader_biCompression;
-            public int bmiHeader_biSizeImage;
-            public int bmiHeader_biXPelsPerMeter;
-            public int bmiHeader_biYPelsPerMeter;
-            public int bmiHeader_biClrUsed;
-            public int bmiHeader_biClrImportant;
-
-            public fixed byte bmiColors[BITMAPINFO_MAX_COLORSIZE * 4]; // RGBQUAD structs... Blue-Green-Red-Reserved, repeat...
-        }
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.BitBlt.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.BitBlt.cs
deleted file mode 100644
index fb62fb82f7273..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.BitBlt.cs
+++ /dev/null
@@ -1,24 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Runtime.InteropServices;
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32, SetLastError = true)]
-        public static partial int BitBlt(IntPtr hdc, int x, int y, int cx, int cy,
-                                        IntPtr hdcSrc, int x1, int y1, RasterOp rop);
-
-        public static int BitBlt(HandleRef hdc, int x, int y, int cx, int cy,
-                                 HandleRef hdcSrc, int x1, int y1, RasterOp rop)
-        {
-            int result = BitBlt(hdc.Handle, x, y, cx, cy, hdcSrc.Handle, x1, y1, rop);
-            GC.KeepAlive(hdc.Wrapper);
-            GC.KeepAlive(hdcSrc.Wrapper);
-            return result;
-        }
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.CombineRgn.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.CombineRgn.cs
deleted file mode 100644
index 4573cfc54de8d..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.CombineRgn.cs
+++ /dev/null
@@ -1,31 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Diagnostics;
-using System.Runtime.InteropServices;
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        public enum CombineMode : int
-        {
-            RGN_AND = 1,
-            RGN_XOR = 3,
-            RGN_DIFF = 4,
-        }
-
-        [LibraryImport(Libraries.Gdi32, SetLastError = true)]
-        public static partial RegionType CombineRgn(IntPtr hrgnDst, IntPtr hrgnSrc1, IntPtr hrgnSrc2, CombineMode iMode);
-
-        public static RegionType CombineRgn(HandleRef hrgnDst, HandleRef hrgnSrc1, HandleRef hrgnSrc2, CombineMode iMode)
-        {
-            RegionType result = CombineRgn(hrgnDst.Handle, hrgnSrc1.Handle, hrgnSrc2.Handle, iMode);
-            GC.KeepAlive(hrgnDst.Wrapper);
-            GC.KeepAlive(hrgnSrc1.Wrapper);
-            GC.KeepAlive(hrgnSrc2.Wrapper);
-            return result;
-        }
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.CreateCompatibleBitmap.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.CreateCompatibleBitmap.cs
deleted file mode 100644
index fdfc84cddf583..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.CreateCompatibleBitmap.cs
+++ /dev/null
@@ -1,21 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Runtime.InteropServices;
-#if NET
-using System.Runtime.InteropServices.Marshalling;
-#endif
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32, SetLastError = true)]
-        internal static partial IntPtr CreateCompatibleBitmap(
-#if NET
-            [MarshalUsing(typeof(HandleRefMarshaller))]
-#endif
-            HandleRef hDC, int width, int height);
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.CreateCompatibleDC.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.CreateCompatibleDC.cs
deleted file mode 100644
index 3066c33fdf2d4..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.CreateCompatibleDC.cs
+++ /dev/null
@@ -1,14 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Runtime.InteropServices;
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32)]
-        public static partial IntPtr CreateCompatibleDC(IntPtr hdc);
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.CreateDC.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.CreateDC.cs
deleted file mode 100644
index 1474463954316..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.CreateDC.cs
+++ /dev/null
@@ -1,14 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Runtime.InteropServices;
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32, StringMarshalling = StringMarshalling.Utf16)]
-        public static partial IntPtr CreateDCW(string pwszDriver, string pwszDevice, string? pszPort, IntPtr pdm);
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.CreateDIBSection.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.CreateDIBSection.cs
deleted file mode 100644
index 2654d0e653ad1..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.CreateDIBSection.cs
+++ /dev/null
@@ -1,21 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Runtime.InteropServices;
-#if NET
-using System.Runtime.InteropServices.Marshalling;
-#endif
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32, SetLastError = true)]
-        internal static partial IntPtr CreateDIBSection(
-#if NET
-            [MarshalUsing(typeof(HandleRefMarshaller))]
-#endif
-            HandleRef hdc, ref BITMAPINFO_FLAT bmi, int iUsage, ref IntPtr ppvBits, IntPtr hSection, int dwOffset);
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.CreateFontIndirect.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.CreateFontIndirect.cs
deleted file mode 100644
index 2a4b9b7c77412..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.CreateFontIndirect.cs
+++ /dev/null
@@ -1,14 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Runtime.InteropServices;
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32)]
-        public static partial IntPtr CreateFontIndirectW(ref User32.LOGFONT lplf);
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.CreateIC.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.CreateIC.cs
deleted file mode 100644
index afbc6ba440915..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.CreateIC.cs
+++ /dev/null
@@ -1,14 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Runtime.InteropServices;
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32, StringMarshalling = StringMarshalling.Utf16)]
-        public static partial IntPtr CreateICW(string pszDriver, string pszDevice, string? pszPort, IntPtr pdm);
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.CreateRectRgn.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.CreateRectRgn.cs
deleted file mode 100644
index edf59c56dec6c..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.CreateRectRgn.cs
+++ /dev/null
@@ -1,14 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Runtime.InteropServices;
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32)]
-        public static partial IntPtr CreateRectRgn(int x1, int y1, int x2, int y2);
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.DEVMODE.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.DEVMODE.cs
deleted file mode 100644
index bb0fa59f77127..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.DEVMODE.cs
+++ /dev/null
@@ -1,96 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Runtime.InteropServices;
-#if NET
-using System.Runtime.InteropServices.Marshalling;
-#endif
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
-        public sealed class DEVMODE
-        {
-            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
-            public string? dmDeviceName;
-            public short dmSpecVersion;
-            public short dmDriverVersion;
-            public short dmSize;
-            public short dmDriverExtra;
-            public int dmFields;
-            public short dmOrientation;
-            public short dmPaperSize;
-            public short dmPaperLength;
-            public short dmPaperWidth;
-            public short dmScale;
-            public short dmCopies;
-            public short dmDefaultSource;
-            public short dmPrintQuality;
-            public short dmColor;
-            public short dmDuplex;
-            public short dmYResolution;
-            public short dmTTOption;
-            public short dmCollate;
-            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
-            public string? dmFormName;
-            public short dmLogPixels;
-            public int dmBitsPerPel;
-            public int dmPelsWidth;
-            public int dmPelsHeight;
-            public int dmDisplayFlags;
-            public int dmDisplayFrequency;
-            public int dmICMMethod;
-            public int dmICMIntent;
-            public int dmMediaType;
-            public int dmDitherType;
-            public int dmICCManufacturer;
-            public int dmICCModel;
-            public int dmPanningWidth;
-            public int dmPanningHeight;
-
-
-            public override string ToString()
-            {
-                return "[DEVMODE: "
-                + "dmDeviceName=" + dmDeviceName
-                + ", dmSpecVersion=" + dmSpecVersion
-                + ", dmDriverVersion=" + dmDriverVersion
-                + ", dmSize=" + dmSize
-                + ", dmDriverExtra=" + dmDriverExtra
-                + ", dmFields=" + dmFields
-                + ", dmOrientation=" + dmOrientation
-                + ", dmPaperSize=" + dmPaperSize
-                + ", dmPaperLength=" + dmPaperLength
-                + ", dmPaperWidth=" + dmPaperWidth
-                + ", dmScale=" + dmScale
-                + ", dmCopies=" + dmCopies
-                + ", dmDefaultSource=" + dmDefaultSource
-                + ", dmPrintQuality=" + dmPrintQuality
-                + ", dmColor=" + dmColor
-                + ", dmDuplex=" + dmDuplex
-                + ", dmYResolution=" + dmYResolution
-                + ", dmTTOption=" + dmTTOption
-                + ", dmCollate=" + dmCollate
-                + ", dmFormName=" + dmFormName
-                + ", dmLogPixels=" + dmLogPixels
-                + ", dmBitsPerPel=" + dmBitsPerPel
-                + ", dmPelsWidth=" + dmPelsWidth
-                + ", dmPelsHeight=" + dmPelsHeight
-                + ", dmDisplayFlags=" + dmDisplayFlags
-                + ", dmDisplayFrequency=" + dmDisplayFrequency
-                + ", dmICMMethod=" + dmICMMethod
-                + ", dmICMIntent=" + dmICMIntent
-                + ", dmMediaType=" + dmMediaType
-                + ", dmDitherType=" + dmDitherType
-                + ", dmICCManufacturer=" + dmICCManufacturer
-                + ", dmICCModel=" + dmICCModel
-                + ", dmPanningWidth=" + dmPanningWidth
-                + ", dmPanningHeight=" + dmPanningHeight
-                + "]";
-            }
-        }
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.DeleteDC.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.DeleteDC.cs
deleted file mode 100644
index 98c0a13552109..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.DeleteDC.cs
+++ /dev/null
@@ -1,22 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Runtime.InteropServices;
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32)]
-        [return: MarshalAs(UnmanagedType.Bool)]
-        public static partial bool DeleteDC(IntPtr hdc);
-
-        public static bool DeleteDC(HandleRef hdc)
-        {
-            bool result = DeleteDC(hdc.Handle);
-            GC.KeepAlive(hdc.Wrapper);
-            return result;
-        }
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.DeleteObject.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.DeleteObject.cs
deleted file mode 100644
index db9776eae9433..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.DeleteObject.cs
+++ /dev/null
@@ -1,22 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Runtime.InteropServices;
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32)]
-        [return: MarshalAs(UnmanagedType.Bool)]
-        public static partial bool DeleteObject(IntPtr ho);
-
-        public static bool DeleteObject(HandleRef ho)
-        {
-            bool result = DeleteObject(ho.Handle);
-            GC.KeepAlive(ho.Wrapper);
-            return result;
-        }
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.EndDoc.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.EndDoc.cs
deleted file mode 100644
index 2bd8ad7241634..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.EndDoc.cs
+++ /dev/null
@@ -1,20 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System.Runtime.InteropServices;
-#if NET
-using System.Runtime.InteropServices.Marshalling;
-#endif
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32, SetLastError = true)]
-        internal static partial int EndDoc(
-#if NET
-            [MarshalUsing(typeof(HandleRefMarshaller))]
-#endif
-            HandleRef hDC);
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.EndPage.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.EndPage.cs
deleted file mode 100644
index 0349c5044ba19..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.EndPage.cs
+++ /dev/null
@@ -1,20 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System.Runtime.InteropServices;
-#if NET
-using System.Runtime.InteropServices.Marshalling;
-#endif
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32, SetLastError = true)]
-        internal static partial int EndPage(
-#if NET
-            [MarshalUsing(typeof(HandleRefMarshaller))]
-#endif
-            HandleRef hDC);
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.ExtEscape.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.ExtEscape.cs
deleted file mode 100644
index 6ade151f8b066..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.ExtEscape.cs
+++ /dev/null
@@ -1,31 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System.Runtime.InteropServices;
-#if NET
-using System.Runtime.InteropServices.Marshalling;
-#endif
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        internal const int QUERYESCSUPPORT = 8;
-        internal const int CHECKJPEGFORMAT = 4119;
-        internal const int CHECKPNGFORMAT = 4120;
-
-        [LibraryImport(Libraries.Gdi32, SetLastError = true)]
-        internal static partial int ExtEscape(
-#if NET
-            [MarshalUsing(typeof(HandleRefMarshaller))]
-#endif
-            HandleRef hDC, int nEscape, int cbInput, ref int inData, int cbOutput, out int outData);
-
-        [LibraryImport(Libraries.Gdi32, SetLastError = true)]
-        internal static partial int ExtEscape(
-#if NET
-            [MarshalUsing(typeof(HandleRefMarshaller))]
-#endif
-            HandleRef hDC, int nEscape, int cbInput, byte[] inData, int cbOutput, out int outData);
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetClipRgn.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetClipRgn.cs
deleted file mode 100644
index fc309ed51ee3c..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetClipRgn.cs
+++ /dev/null
@@ -1,30 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Diagnostics;
-using System.Runtime.InteropServices;
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32)]
-        public static partial int GetClipRgn(IntPtr hdc, IntPtr hrgn);
-
-        public static int GetClipRgn(HandleRef hdc, IntPtr hrgn)
-        {
-            int result = GetClipRgn(hdc.Handle, hrgn);
-            GC.KeepAlive(hdc.Wrapper);
-            return result;
-        }
-
-        public static int GetClipRgn(HandleRef hdc, HandleRef hrgn)
-        {
-            int result = GetClipRgn(hdc.Handle, hrgn.Handle);
-            GC.KeepAlive(hdc.Wrapper);
-            GC.KeepAlive(hrgn.Wrapper);
-            return result;
-        }
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetCurrentObject.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetCurrentObject.cs
deleted file mode 100644
index 4ca4eba089ca0..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetCurrentObject.cs
+++ /dev/null
@@ -1,21 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Runtime.InteropServices;
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32)]
-        public static partial IntPtr GetCurrentObject(IntPtr hdc, ObjectType type);
-
-        public static IntPtr GetCurrentObject(HandleRef hdc, ObjectType type)
-        {
-            IntPtr result = GetCurrentObject(hdc.Handle, type);
-            GC.KeepAlive(hdc.Wrapper);
-            return result;
-        }
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetDIBits.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetDIBits.cs
deleted file mode 100644
index 11900ac16602c..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetDIBits.cs
+++ /dev/null
@@ -1,26 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Runtime.InteropServices;
-#if NET
-using System.Runtime.InteropServices.Marshalling;
-#endif
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32)]
-        internal static partial int GetDIBits(
-#if NET
-            [MarshalUsing(typeof(HandleRefMarshaller))]
-#endif
-            HandleRef hdc,
-#if NET
-            [MarshalUsing(typeof(HandleRefMarshaller))]
-#endif
-            HandleRef hbm, int arg1, int arg2, IntPtr arg3, ref BITMAPINFO_FLAT bmi, int arg5);
-
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetDeviceCaps.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetDeviceCaps.cs
deleted file mode 100644
index e45e30bee2138..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetDeviceCaps.cs
+++ /dev/null
@@ -1,43 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Diagnostics;
-using System.Runtime.InteropServices;
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        public enum DeviceCapability : int
-        {
-            TECHNOLOGY = 2,
-            VERTRES = 10,
-            HORZRES = 8,
-            BITSPIXEL = 12,
-            PLANES = 14,
-            LOGPIXELSX = 88,
-            LOGPIXELSY = 90,
-            PHYSICALWIDTH = 110,
-            PHYSICALHEIGHT = 111,
-            PHYSICALOFFSETX = 112,
-            PHYSICALOFFSETY = 113
-        }
-
-        public static class DeviceTechnology
-        {
-            public const int DT_PLOTTER = 0;
-            public const int DT_RASPRINTER = 2;
-        }
-
-        [LibraryImport(Libraries.Gdi32)]
-        public static partial int GetDeviceCaps(IntPtr hdc, DeviceCapability index);
-
-        public static int GetDeviceCaps(HandleRef hdc, DeviceCapability index)
-        {
-            int caps = GetDeviceCaps(hdc.Handle, index);
-            GC.KeepAlive(hdc.Wrapper);
-            return caps;
-        }
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetObject.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetObject.cs
deleted file mode 100644
index afb88d5bd14a5..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetObject.cs
+++ /dev/null
@@ -1,47 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Runtime.InteropServices;
-#if NET
-using System.Runtime.InteropServices.Marshalling;
-#endif
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32, EntryPoint = "GetObjectW", SetLastError = true)]
-        internal static partial int GetObject(
-#if NET
-            [MarshalUsing(typeof(HandleRefMarshaller))]
-#endif
-            HandleRef hObject, int nSize, ref BITMAP bm);
-
-        [LibraryImport(Libraries.Gdi32, EntryPoint = "GetObjectW", SetLastError = true, StringMarshalling = StringMarshalling.Utf16)]
-        internal static partial int GetObject(
-#if NET
-            [MarshalUsing(typeof(HandleRefMarshaller))]
-#endif
-            HandleRef hObject, int nSize, ref Interop.User32.LOGFONT lf);
-
-        internal static unsafe int GetObject(
-#if NET
-            [MarshalUsing(typeof(HandleRefMarshaller))]
-#endif
-            HandleRef hObject, ref Interop.User32.LOGFONT lp)
-            => GetObject(hObject, sizeof(Interop.User32.LOGFONT), ref lp);
-
-        [StructLayout(LayoutKind.Sequential)]
-        public struct BITMAP
-        {
-            public uint bmType;
-            public uint bmWidth;
-            public uint bmHeight;
-            public uint bmWidthBytes;
-            public ushort bmPlanes;
-            public ushort bmBitsPixel;
-            public IntPtr bmBits;
-        }
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetObjectType.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetObjectType.cs
deleted file mode 100644
index 1517e07d7253c..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetObjectType.cs
+++ /dev/null
@@ -1,14 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Runtime.InteropServices;
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32)]
-        public static partial ObjectType GetObjectType(IntPtr h);
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetPaletteEntries.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetPaletteEntries.cs
deleted file mode 100644
index ab2ad0b6ea33b..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetPaletteEntries.cs
+++ /dev/null
@@ -1,20 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System.Runtime.InteropServices;
-#if NET
-using System.Runtime.InteropServices.Marshalling;
-#endif
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32)]
-        internal static partial uint GetPaletteEntries(
-#if NET
-            [MarshalUsing(typeof(HandleRefMarshaller))]
-#endif
-            HandleRef hpal, int iStartIndex, int nEntries, byte[] lppe);
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetRgnBox.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetRgnBox.cs
deleted file mode 100644
index 58d4d9af1ab59..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetRgnBox.cs
+++ /dev/null
@@ -1,21 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Runtime.InteropServices;
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32)]
-        public static partial RegionType GetRgnBox(IntPtr hrgn, ref RECT lprc);
-
-        public static RegionType GetRgnBox(HandleRef hrgn, ref RECT lprc)
-        {
-            RegionType result = GetRgnBox(hrgn.Handle, ref lprc);
-            GC.KeepAlive(hrgn.Wrapper);
-            return result;
-        }
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetStockObject.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetStockObject.cs
deleted file mode 100644
index 1c3f5c64dd38f..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetStockObject.cs
+++ /dev/null
@@ -1,19 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Runtime.InteropServices;
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        public enum StockObject : int
-        {
-            DEFAULT_GUI_FONT = 17
-        }
-
-        [LibraryImport(Libraries.Gdi32)]
-        public static partial IntPtr GetStockObject(StockObject i);
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.IntersectClipRect.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.IntersectClipRect.cs
deleted file mode 100644
index 0084bcd626527..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.IntersectClipRect.cs
+++ /dev/null
@@ -1,21 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Runtime.InteropServices;
-#if NET
-using System.Runtime.InteropServices.Marshalling;
-#endif
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32, SetLastError = true)]
-        internal static partial int IntersectClipRect(
-#if NET
-            [MarshalUsing(typeof(HandleRefMarshaller))]
-#endif
-            HandleRef hDC, int x1, int y1, int x2, int y2);
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.ObjectType.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.ObjectType.cs
deleted file mode 100644
index c0aa0cffcf65a..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.ObjectType.cs
+++ /dev/null
@@ -1,26 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        public enum ObjectType : int
-        {
-            OBJ_PEN = 1,
-            OBJ_BRUSH = 2,
-            OBJ_DC = 3,
-            OBJ_METADC = 4,
-            OBJ_PAL = 5,
-            OBJ_FONT = 6,
-            OBJ_BITMAP = 7,
-            OBJ_REGION = 8,
-            OBJ_METAFILE = 9,
-            OBJ_MEMDC = 10,
-            OBJ_EXTPEN = 11,
-            OBJ_ENHMETADC = 12,
-            OBJ_ENHMETAFILE = 13,
-            OBJ_COLORSPACE = 14
-        }
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.OffsetViewportOrgEx.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.OffsetViewportOrgEx.cs
deleted file mode 100644
index aae92ce24ebcd..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.OffsetViewportOrgEx.cs
+++ /dev/null
@@ -1,23 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Drawing;
-using System.Runtime.InteropServices;
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32)]
-        [return: MarshalAs(UnmanagedType.Bool)]
-        public static partial bool OffsetViewportOrgEx(IntPtr hdc, int x, int y, ref Point lppt);
-
-        public static bool OffsetViewportOrgEx(HandleRef hdc, int x, int y, ref Point lppt)
-        {
-            bool result = OffsetViewportOrgEx(hdc.Handle, x, y, ref lppt);
-            GC.KeepAlive(hdc.Wrapper);
-            return result;
-        }
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.RECT.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.RECT.cs
deleted file mode 100644
index fdd5de32a0e5c..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.RECT.cs
+++ /dev/null
@@ -1,22 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System.Drawing;
-using System.Runtime.InteropServices;
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [StructLayout(LayoutKind.Sequential)]
-        public struct RECT
-        {
-            public int left;
-            public int top;
-            public int right;
-            public int bottom;
-
-            public Size Size => new Size(right - left, bottom - top);
-        }
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.RasterOp.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.RasterOp.cs
deleted file mode 100644
index 987a0cff614ee..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.RasterOp.cs
+++ /dev/null
@@ -1,32 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Runtime.InteropServices;
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        public enum RasterOp : int
-        {
-            SRCPAINT = 0x00EE0086, // dest = source OR dest
-            SRCAND = 0x008800C6, // dest = source AND dest
-            SRCCOPY = 0x00CC0020,
-            SRCINVERT = 0x00660046, // dest = source XOR dest
-            SRCERASE = 0x00440328, // dest = source AND (NOT dest )
-            NOTSRCCOPY = 0x00330008, // dest = (NOT source)
-            NOTSRCERASE = 0x001100A6, // dest = (NOT src) AND (NOT dest)
-            MERGECOPY = 0x00C000CA, // dest = (source AND pattern)
-            MERGEPAINT = 0x00BB0226, // dest = (NOT source) OR dest
-            PATCOPY = 0x00F00021, // dest = pattern
-            PATPAINT = 0x00FB0A09, // dest = DPSnoo
-            PATINVERT = 0x005A0049, // dest = pattern XOR dest
-            DSTINVERT = 0x00550009, // dest = (NOT dest)
-            BLACKNESS = 0x00000042, // dest = BLACK
-            WHITENESS = 0x00FF0062, // dest = WHITE
-            CAPTUREBLT = 0x40000000, // Include layered windows
-            NOMIRRORBITMAP = unchecked((int)0x80000000), // Do not Mirror the bitmap in this call
-        }
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.RegionType.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.RegionType.cs
deleted file mode 100644
index 6039a732fcb5c..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.RegionType.cs
+++ /dev/null
@@ -1,13 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-internal static partial class Interop
-{
-    internal enum RegionType : int
-    {
-        ERROR = 0,
-        NULLREGION = 1,
-        SIMPLEREGION = 2,
-        COMPLEXREGION = 3,
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.ResetDC.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.ResetDC.cs
deleted file mode 100644
index e26750aa2895f..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.ResetDC.cs
+++ /dev/null
@@ -1,25 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Runtime.InteropServices;
-#if NET
-using System.Runtime.InteropServices.Marshalling;
-#endif
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32, EntryPoint = "ResetDCW", SetLastError = true)]
-        internal static partial IntPtr /*HDC*/ ResetDC(
-#if NET
-            [MarshalUsing(typeof(HandleRefMarshaller))]
-#endif
-            HandleRef hDC,
-#if NET
-            [MarshalUsing(typeof(HandleRefMarshaller))]
-#endif
-            HandleRef /*DEVMODE*/ lpDevMode);
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.RestoreDC.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.RestoreDC.cs
deleted file mode 100644
index ac9d431ae7632..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.RestoreDC.cs
+++ /dev/null
@@ -1,22 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Runtime.InteropServices;
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32)]
-        [return: MarshalAs(UnmanagedType.Bool)]
-        public static partial bool RestoreDC(IntPtr hdc, int nSavedDC);
-
-        public static bool RestoreDC(HandleRef hdc, int nSavedDC)
-        {
-            bool result = RestoreDC(hdc.Handle, nSavedDC);
-            GC.KeepAlive(hdc.Wrapper);
-            return result;
-        }
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.SaveDC.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.SaveDC.cs
deleted file mode 100644
index 31accb0e1ecd0..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.SaveDC.cs
+++ /dev/null
@@ -1,21 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Runtime.InteropServices;
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32)]
-        public static partial int SaveDC(IntPtr hdc);
-
-        public static int SaveDC(HandleRef hdc)
-        {
-            int result = SaveDC(hdc.Handle);
-            GC.KeepAlive(hdc.Wrapper);
-            return result;
-        }
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.SelectClipRgn.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.SelectClipRgn.cs
deleted file mode 100644
index d528fb8fecc15..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.SelectClipRgn.cs
+++ /dev/null
@@ -1,22 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Runtime.InteropServices;
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32, SetLastError = true)]
-        public static partial RegionType SelectClipRgn(IntPtr hdc, IntPtr hrgn);
-
-        public static RegionType SelectClipRgn(HandleRef hdc, HandleRef hrgn)
-        {
-            RegionType result = SelectClipRgn(hdc.Handle, hrgn.Handle);
-            GC.KeepAlive(hdc.Wrapper);
-            GC.KeepAlive(hrgn.Wrapper);
-            return result;
-        }
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.StartDoc.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.StartDoc.cs
deleted file mode 100644
index 8199ff3f217ff..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.StartDoc.cs
+++ /dev/null
@@ -1,70 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System;
-using System.Runtime.InteropServices;
-#if NET
-using System.Runtime.InteropServices.Marshalling;
-#endif
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32, EntryPoint = "StartDocW", SetLastError = true)]
-        internal static partial int StartDoc(
-#if NET
-            [MarshalUsing(typeof(HandleRefMarshaller))]
-#endif
-            HandleRef hDC, in DOCINFO lpDocInfo);
-
-#if NET
-        [NativeMarshalling(typeof(Marshaller))]
-#endif
-        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
-        internal struct DOCINFO
-        {
-            internal int cbSize = 20;
-            internal string? lpszDocName;
-            internal string? lpszOutput;
-            internal string? lpszDatatype;
-            internal int fwType;
-
-            public DOCINFO() { }
-
-#if NET
-            [CustomMarshaller(typeof(DOCINFO), MarshalMode.ManagedToUnmanagedIn, typeof(Marshaller))]
-            public static class Marshaller
-            {
-                public static Native ConvertToUnmanaged(DOCINFO managed) => new(managed);
-                public static void Free(Native native) => native.FreeNative();
-
-                internal struct Native
-                {
-                    internal int cbSize;
-                    internal IntPtr lpszDocName;
-                    internal IntPtr lpszOutput;
-                    internal IntPtr lpszDatatype;
-                    internal int fwType;
-
-                    public Native(DOCINFO docInfo)
-                    {
-                        cbSize = docInfo.cbSize;
-                        lpszDocName = Marshal.StringToCoTaskMemAuto(docInfo.lpszDocName);
-                        lpszOutput = Marshal.StringToCoTaskMemAuto(docInfo.lpszOutput);
-                        lpszDatatype = Marshal.StringToCoTaskMemAuto(docInfo.lpszDatatype);
-                        fwType = docInfo.fwType;
-                    }
-
-                    public void FreeNative()
-                    {
-                        Marshal.FreeCoTaskMem(lpszDocName);
-                        Marshal.FreeCoTaskMem(lpszOutput);
-                        Marshal.FreeCoTaskMem(lpszDatatype);
-                    }
-                }
-            }
-#endif
-        }
-    }
-}
diff --git a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.StartPage.cs b/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.StartPage.cs
deleted file mode 100644
index 549151d43337d..0000000000000
--- a/src/libraries/Common/src/Interop/Windows/Gdi32/Interop.StartPage.cs
+++ /dev/null
@@ -1,20 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System.Runtime.InteropServices;
-#if NET
-using System.Runtime.InteropServices.Marshalling;
-#endif
-
-internal static partial class Interop
-{
-    internal static partial class Gdi32
-    {
-        [LibraryImport(Libraries.Gdi32, SetLastError = true)]
-        internal static partial int StartPage(
-#if NET
-            [MarshalUsing(typeof(HandleRefMarshaller))]
-#endif
-            HandleRef hDC);
-    }
-}