Internal Code Change

PiperOrigin-RevId: 582905979
diff --git a/rust/test/BUILD b/rust/test/BUILD
index 1c8255c..291e0df 100644
--- a/rust/test/BUILD
+++ b/rust/test/BUILD
@@ -49,7 +49,7 @@
     name = "unittest_proto3_rust_proto",
     testonly = True,
     visibility = [
-        "//rust/test/shared:__subpackages__",
+        "//visibility:private",  # Only private by automation, not intent. Owner may accept CLs adding visibility. See go/scheuklappen#explicit-private.
     ],
     deps = [
         UNITTEST_PROTO3_TARGET,
@@ -59,20 +59,14 @@
 rust_cc_proto_library(
     name = "unittest_proto3_cc_rust_proto",
     testonly = True,
-    visibility = [
-        "//rust/test/cpp:__subpackages__",
-        "//rust/test/shared:__subpackages__",
-    ],
+    visibility = ["//rust/test/shared:__subpackages__"],
     deps = [UNITTEST_PROTO3_CC_TARGET],
 )
 
 rust_upb_proto_library(
     name = "unittest_proto3_upb_rust_proto",
     testonly = True,
-    visibility = [
-        "//rust/test/cpp:__subpackages__",
-        "//rust/test/shared:__subpackages__",
-    ],
+    visibility = ["//rust/test/shared:__subpackages__"],
     deps = [UNITTEST_PROTO3_TARGET],
 )
 
@@ -250,20 +244,14 @@
 rust_cc_proto_library(
     name = "package_cc_rust_proto",
     testonly = True,
-    visibility = [
-        "//rust/test/cpp:__subpackages__",
-        "//rust/test/shared:__subpackages__",
-    ],
+    visibility = ["//rust/test/shared:__subpackages__"],
     deps = [":package_cc_proto"],
 )
 
 rust_upb_proto_library(
     name = "package_upb_rust_proto",
     testonly = True,
-    visibility = [
-        "//rust/test/shared:__subpackages__",
-        "//rust/test/upb:__subpackages__",
-    ],
+    visibility = ["//rust/test/shared:__subpackages__"],
     deps = [":package_proto"],
 )
 
@@ -282,20 +270,14 @@
 rust_cc_proto_library(
     name = "reserved_cc_rust_proto",
     testonly = True,
-    visibility = [
-        "//rust/test/cpp:__subpackages__",
-        "//rust/test/shared:__subpackages__",
-    ],
+    visibility = ["//rust/test/shared:__subpackages__"],
     deps = [":reserved_cc_proto"],
 )
 
 rust_upb_proto_library(
     name = "reserved_upb_rust_proto",
     testonly = True,
-    visibility = [
-        "//rust/test/shared:__subpackages__",
-        "//rust/test/upb:__subpackages__",
-    ],
+    visibility = ["//rust/test/shared:__subpackages__"],
     deps = [":reserved_proto"],
 )