diff --git a/patches/gdiplus-Grayscale_PNG/0001-windowscodecs-tests-Add-a-test-for-loading-PNG-grays.patch b/patches/gdiplus-Grayscale_PNG/0001-windowscodecs-tests-Add-a-test-for-loading-PNG-grays.patch
deleted file mode 100644
index 6986971c..00000000
--- a/patches/gdiplus-Grayscale_PNG/0001-windowscodecs-tests-Add-a-test-for-loading-PNG-grays.patch
+++ /dev/null
@@ -1,93 +0,0 @@
-From e7ff152bab130c0775500e50b640b7e95bc56495 Mon Sep 17 00:00:00 2001
-From: Dmitry Timoshkov <dmitry@baikal.ru>
-Date: Fri, 3 Jun 2016 13:25:06 +0800
-Subject: windowscodecs/tests: Add a test for loading PNG grayscale images.
-
----
- dlls/windowscodecs/tests/pngformat.c | 58 +++++++++++++++++++++++++++++++++++-
- 1 file changed, 57 insertions(+), 1 deletion(-)
-
-diff --git a/dlls/windowscodecs/tests/pngformat.c b/dlls/windowscodecs/tests/pngformat.c
-index 34cb533..296866f 100644
---- a/dlls/windowscodecs/tests/pngformat.c
-+++ b/dlls/windowscodecs/tests/pngformat.c
-@@ -1,5 +1,5 @@
- /*
-- * Copyright 2012 Dmitry Timoshkov
-+ * Copyright 2012,2016 Dmitry Timoshkov
-  * Copyright 2012 Hans Leidekker for CodeWeavers
-  *
-  * This library is free software; you can redistribute it and/or
-@@ -579,6 +579,61 @@ static void test_png_palette(void)
-     IWICBitmapDecoder_Release(decoder);
- }
- 
-+/* RGB 24 bpp 1x1 pixel PNG image */
-+static const char png_1x1_data[] = {
-+  0x89,'P','N','G',0x0d,0x0a,0x1a,0x0a,
-+  0x00,0x00,0x00,0x0d,'I','H','D','R',0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x08,0x02,0x00,0x00,0x00,0x90,0x77,0x53,0xde,
-+  0x00,0x00,0x00,0x0c,'I','D','A','T',0x08,0xd7,0x63,0xf8,0xff,0xff,0x3f,0x00,0x05,0xfe,0x02,0xfe,0xdc,0xcc,0x59,0xe7,
-+  0x00,0x00,0x00,0x00,'I','E','N','D',0xae,0x42,0x60,0x82
-+};
-+
-+static void test_color_formats(void)
-+{
-+    static const struct
-+    {
-+        char bit_depth, color_type;
-+        const GUID *format;
-+    } td[] =
-+    {
-+        /* 2 - PNG_COLOR_TYPE_RGB */
-+        { 8, 2, &GUID_WICPixelFormat24bppBGR },
-+        /* 0 - PNG_COLOR_TYPE_GRAY */
-+        { 1, 0, &GUID_WICPixelFormatBlackWhite },
-+        { 2, 0, &GUID_WICPixelFormat2bppGray },
-+        { 4, 0, &GUID_WICPixelFormat4bppGray },
-+        { 8, 0, &GUID_WICPixelFormat8bppGray },
-+        { 16, 0, &GUID_WICPixelFormat16bppGray },
-+    };
-+    char buf[sizeof(png_1x1_data)];
-+    HRESULT hr;
-+    IWICBitmapDecoder *decoder;
-+    IWICBitmapFrameDecode *frame;
-+    GUID format;
-+    int i;
-+
-+    for (i = 0; i < sizeof(td)/sizeof(td[0]); i++)
-+    {
-+        memcpy(buf, png_1x1_data, sizeof(png_1x1_data));
-+        buf[24] = td[i].bit_depth;
-+        buf[25] = td[i].color_type;
-+
-+        decoder = create_decoder(buf, sizeof(buf));
-+        ok(decoder != NULL, "Failed to load PNG image data\n");
-+        if (!decoder) continue;
-+
-+        hr = IWICBitmapDecoder_GetFrame(decoder, 0, &frame);
-+        ok(hr == S_OK, "GetFrame error %#x\n", hr);
-+
-+        hr = IWICBitmapFrameDecode_GetPixelFormat(frame, &format);
-+        ok(hr == S_OK, "GetPixelFormat error %#x\n", hr);
-+        ok(IsEqualGUID(&format, td[i].format),
-+           "expected %s, got %s\n", wine_dbgstr_guid(td[i].format), wine_dbgstr_guid(&format));
-+
-+        IWICBitmapFrameDecode_Release(frame);
-+        IWICBitmapDecoder_Release(decoder);
-+    }
-+}
-+
- START_TEST(pngformat)
- {
-     HRESULT hr;
-@@ -591,6 +646,7 @@ START_TEST(pngformat)
- 
-     test_color_contexts();
-     test_png_palette();
-+    test_color_formats();
- 
-     IWICImagingFactory_Release(factory);
-     CoUninitialize();
--- 
-2.8.0
-
diff --git a/patches/patchinstall.sh b/patches/patchinstall.sh
index ff9f30b4..9cc01eb1 100755
--- a/patches/patchinstall.sh
+++ b/patches/patchinstall.sh
@@ -52,7 +52,7 @@ usage()
 # Get the upstream commit sha
 upstream_commit()
 {
-	echo "d53b711f27f15cdeb9700e86526dab13ddf8d731"
+	echo "67f6eb327ef78fe8acf45bf6ac6c93424ec89335"
 }
 
 # Show version information
@@ -4923,16 +4923,14 @@ fi
 # |   *	[#38622] Force conversion of 8 bpp grayscale PNG images to 32 bpp BGRA
 # |
 # | Modified files:
-# |   *	dlls/gdiplus/image.c, dlls/gdiplus/tests/image.c, dlls/windowscodecs/tests/pngformat.c
+# |   *	dlls/gdiplus/image.c, dlls/gdiplus/tests/image.c
 # |
 if test "$enable_gdiplus_Grayscale_PNG" -eq 1; then
-	patch_apply gdiplus-Grayscale_PNG/0001-windowscodecs-tests-Add-a-test-for-loading-PNG-grays.patch
 	patch_apply gdiplus-Grayscale_PNG/0002-gdiplus-tests-Add-a-test-for-loading-PNG-grayscale-i.patch
 	patch_apply gdiplus-Grayscale_PNG/0003-gdiplus-Force-conversion-of-8-bpp-grayscale-PNG-imag.patch
 	patch_apply gdiplus-Grayscale_PNG/0004-gdiplus-tests-Add-a-test-for-image-flags-to-PNG-gray.patch
 	patch_apply gdiplus-Grayscale_PNG/0005-gdiplus-Set-correct-color-space-flags-for-grayscale-.patch
 	(
-		printf '%s\n' '+    { "Dmitry Timoshkov", "windowscodecs/tests: Add a test for loading PNG grayscale images.", 1 },';
 		printf '%s\n' '+    { "Dmitry Timoshkov", "gdiplus/tests: Add a test for loading PNG grayscale images.", 1 },';
 		printf '%s\n' '+    { "Dmitry Timoshkov", "gdiplus: Force conversion of 8 bpp grayscale PNG images to 32 bpp BGRA.", 1 },';
 		printf '%s\n' '+    { "Dmitry Timoshkov", "gdiplus/tests: Add a test for image flags to PNG grayscale image tests.", 1 },';