diff --git a/bazel/upb_proto_library.bzl b/bazel/upb_proto_library.bzl
index cb9800ca..08d03edc 100644
--- a/bazel/upb_proto_library.bzl
+++ b/bazel/upb_proto_library.bzl
@@ -316,7 +316,6 @@ _upb_proto_library_aspect = aspect(
     attr_aspects = ["deps"],
     fragments = ["cpp"],
     toolchains = ["@bazel_tools//tools/cpp:toolchain_type"],
-    incompatible_use_toolchain_transition = True,
 )
 
 upb_proto_library = rule(
@@ -369,7 +368,6 @@ _upb_proto_reflection_library_aspect = aspect(
     attr_aspects = ["deps"],
     fragments = ["cpp"],
     toolchains = ["@bazel_tools//tools/cpp:toolchain_type"],
-    incompatible_use_toolchain_transition = True,
 )
 
 upb_proto_reflection_library = rule(