diff --git a/antlir/antlir2/test_images/cfg/configured_alias/BUCK b/antlir/antlir2/test_images/cfg/configured_alias/BUCK
index 4361d6c9eee..3b42b385ad1 100644
--- a/antlir/antlir2/test_images/cfg/configured_alias/BUCK
+++ b/antlir/antlir2/test_images/cfg/configured_alias/BUCK
@@ -6,22 +6,22 @@ oncall("antlir")
 export_file(
     name = "f",
     src = select({
-        "//antlir/antlir2/os:centos8": "c8",
+        "//antlir/antlir2/os:centos10": "c10",
         "//antlir/antlir2/os:centos9": "c9",
         "DEFAULT": "default",
     }),
 )
 
 antlir2_configured_alias(
-    name = "f.c8",
+    name = "f.c9",
     actual = ":f",
-    default_os = "centos8",
+    default_os = "centos9",
 )
 
 antlir2_configured_alias(
-    name = "f.c9",
+    name = "f.c10",
     actual = ":f",
-    default_os = "centos9",
+    default_os = "centos10",
 )
 
 python_unittest(
@@ -29,7 +29,7 @@ python_unittest(
     srcs = ["test.py"],
     resources = {
         ":f": "f.default",
-        ":f.c8": "f.centos8",
+        ":f.c10": "f.centos10",
         ":f.c9": "f.centos9",
     },
 )
diff --git a/antlir/antlir2/test_images/cfg/configured_alias/c10 b/antlir/antlir2/test_images/cfg/configured_alias/c10
new file mode 100644
index 00000000000..7d7274f5232
--- /dev/null
+++ b/antlir/antlir2/test_images/cfg/configured_alias/c10
@@ -0,0 +1 @@
+centos10
diff --git a/antlir/antlir2/test_images/cfg/configured_alias/c8 b/antlir/antlir2/test_images/cfg/configured_alias/c8
deleted file mode 100644
index a17450903b3..00000000000
--- a/antlir/antlir2/test_images/cfg/configured_alias/c8
+++ /dev/null
@@ -1 +0,0 @@
-centos8
diff --git a/antlir/antlir2/test_images/cfg/configured_alias/test.py b/antlir/antlir2/test_images/cfg/configured_alias/test.py
index 4a6246e8c9c..e040b2255b6 100644
--- a/antlir/antlir2/test_images/cfg/configured_alias/test.py
+++ b/antlir/antlir2/test_images/cfg/configured_alias/test.py
@@ -12,6 +12,6 @@ def setUp(self) -> None:
         super().setUp()
 
     def test_configured_alias(self) -> None:
-        for variant in ["centos8", "centos9", "default"]:
+        for variant in ["centos9", "centos10", "default"]:
             with self.subTest(variant):
                 self.assertEqual(variant + "\n", read_text(__package__, "f." + variant))
diff --git a/antlir/bzl/linux/tests/BUCK b/antlir/bzl/linux/tests/BUCK
index a670ee773b9..186d5116bce 100644
--- a/antlir/bzl/linux/tests/BUCK
+++ b/antlir/bzl/linux/tests/BUCK
@@ -1,7 +1,6 @@
 load("//antlir/antlir2/bzl/feature:defs.bzl", "feature")
 load("//antlir/antlir2/bzl/image:defs.bzl", "image")
 load("//antlir/antlir2/testing:image_test.bzl", "image_python_test")
-load("//antlir/bzl:build_defs.bzl", "is_facebook")
 load("//antlir/bzl/linux:defs.bzl", "linux")
 
 oncall("antlir")
@@ -129,14 +128,3 @@ image_python_test(
         "//antlir:fs_utils",
     ],
 )
-
-image_python_test(
-    name = "test-os-release-c8",
-    srcs = ["test_os_release.py"],
-    default_os = "centos8",
-    env = {"CENTOS": "8"},
-    layer = ":test-layer-os-release",
-    deps = [
-        "//antlir:fs_utils",
-    ],
-) if is_facebook else None