diff --git a/.github/workflows/test-docker.yml b/.github/workflows/test-docker.yml
index 5971e684fb5..2309631b072 100644
--- a/.github/workflows/test-docker.yml
+++ b/.github/workflows/test-docker.yml
@@ -32,12 +32,6 @@ jobs:
         docker: [
           alpine,
           amazon-2-amd64,
-          amazon-2023-amd64,
-          arch,
-          centos-7-amd64,
-          centos-stream-8-amd64,
-          centos-stream-9-amd64,
-          debian-11-bullseye-amd64,
           debian-12-bookworm-x86,
           debian-12-bookworm-amd64,
         ]
diff --git a/Tests/test_lib_image.py b/Tests/test_lib_image.py
index da10762f3f4..5ee103d7da6 100644
--- a/Tests/test_lib_image.py
+++ b/Tests/test_lib_image.py
@@ -14,8 +14,12 @@
 def test_equal(mode):
     num_img_bytes = len(Image.new(mode, (2, 2)).tobytes())
     # alternatively, random.randbytes() in Python 3.9
-    data = secrets.token_bytes(num_img_bytes)
+    data = b"\xa4\xf6\x1a\xd4\xee\x15[EI\xf1\xfb^"#secrets.token_bytes(num_img_bytes)
+    print("input", data)
     img_a = Image.frombytes(mode, (2, 2), data)
     img_b = Image.frombytes(mode, (2, 2), data)
     assert img_a.tobytes() == img_b.tobytes()
+    print("tobytes", img_a.tobytes(), img_b.tobytes())
     assert img_a.im == img_b.im
+    if mode == "BGR;24":
+        assert False
diff --git a/src/_imaging.c b/src/_imaging.c
index 07e58d86648..e631ae251fc 100644
--- a/src/_imaging.c
+++ b/src/_imaging.c
@@ -3797,6 +3797,7 @@ _compare_pixels(
             UINT32 *line_b = (UINT32*)pixels_b[y];
             for (x = 0; x < xsize; x++, line_a++, line_b++) {
                 if ((*line_a & mask) != (*line_b & mask)) {
+                    printf("mask fail linea %u lineb %u mask %u lineamask %u linebmask %u\n", *line_a, *line_b, mask, *line_a & mask, *line_b & mask);
                     return 1;
                 }
             }