From 9e6ae98362c174febada3f8a06d1965524451cf8 Mon Sep 17 00:00:00 2001
From: Andrew Murray <radarhere@users.noreply.github.com>
Date: Mon, 13 Mar 2023 17:31:12 +1100
Subject: [PATCH] Dropped support for BGR;32 mode

---
 Tests/test_image.py        | 2 +-
 docs/handbook/concepts.rst | 1 -
 src/PIL/ImageMode.py       | 1 -
 src/libImaging/Storage.c   | 8 --------
 4 files changed, 1 insertion(+), 11 deletions(-)

diff --git a/Tests/test_image.py b/Tests/test_image.py
index 85e3ff55b..c22628509 100644
--- a/Tests/test_image.py
+++ b/Tests/test_image.py
@@ -58,7 +58,7 @@ class TestImage:
         Image.new(mode, (1, 1))
 
     @pytest.mark.parametrize(
-        "mode", ("", "bad", "very very long", "BGR;15", "BGR;16", "BGR;24", "BGR;32")
+        "mode", ("", "bad", "very very long", "BGR;15", "BGR;16", "BGR;24")
     )
     def test_image_modes_fail(self, mode):
         with pytest.raises(ValueError) as e:
diff --git a/docs/handbook/concepts.rst b/docs/handbook/concepts.rst
index 0aa2f1119..e40ed4687 100644
--- a/docs/handbook/concepts.rst
+++ b/docs/handbook/concepts.rst
@@ -62,7 +62,6 @@ Pillow also provides limited support for a few additional modes, including:
     * ``BGR;15`` (15-bit reversed true colour)
     * ``BGR;16`` (16-bit reversed true colour)
     * ``BGR;24`` (24-bit reversed true colour)
-    * ``BGR;32`` (32-bit reversed true colour)
 
 Premultiplied alpha is where the values for each other channel have been
 multiplied by the alpha. For example, an RGBA pixel of ``(10, 20, 30, 127)``
diff --git a/src/PIL/ImageMode.py b/src/PIL/ImageMode.py
index 0973536c9..8b1506e9b 100644
--- a/src/PIL/ImageMode.py
+++ b/src/PIL/ImageMode.py
@@ -61,7 +61,6 @@ def getmode(mode):
             "BGR;15": ("RGB", "L", ("B", "G", "R"), endian + "u2"),
             "BGR;16": ("RGB", "L", ("B", "G", "R"), endian + "u2"),
             "BGR;24": ("RGB", "L", ("B", "G", "R"), endian + "u3"),
-            "BGR;32": ("RGB", "L", ("B", "G", "R"), endian + "u4"),
             "LA": ("L", "L", ("L", "A"), "|u1"),
             "La": ("L", "L", ("L", "a"), "|u1"),
             "PA": ("RGB", "L", ("P", "A"), "|u1"),
diff --git a/src/libImaging/Storage.c b/src/libImaging/Storage.c
index 76750aaf7..7730b4be8 100644
--- a/src/libImaging/Storage.c
+++ b/src/libImaging/Storage.c
@@ -152,14 +152,6 @@ ImagingNewPrologueSubtype(const char *mode, int xsize, int ysize, int size) {
         im->linesize = (xsize * 3 + 3) & -4;
         im->type = IMAGING_TYPE_SPECIAL;
 
-    } else if (strcmp(mode, "BGR;32") == 0) {
-        /* EXPERIMENTAL */
-        /* 32-bit reversed true colour */
-        im->bands = 1;
-        im->pixelsize = 4;
-        im->linesize = (xsize * 4 + 3) & -4;
-        im->type = IMAGING_TYPE_SPECIAL;
-
     } else if (strcmp(mode, "RGBX") == 0) {
         /* 32-bit true colour images with padding */
         im->bands = im->pixelsize = 4;