diff --git a/bazel/upb_proto_library.bzl b/bazel/upb_proto_library.bzl
index b307740c31..941249d17e 100644
--- a/bazel/upb_proto_library.bzl
+++ b/bazel/upb_proto_library.bzl
@@ -412,15 +412,6 @@ def upb_proto_library_aspect_impl(target, ctx):
 def _upb_proto_reflection_library_aspect_impl(target, ctx):
     return _upb_proto_aspect_impl(target, ctx, "upbdefs", _UpbDefsWrappedCcInfo, _WrappedDefsGeneratedSrcsInfo, provide_cc_shared_library_hints = False)
 
-def _maybe_add(d):
-    if _is_google3:
-        d["_grep_includes"] = attr.label(
-            allow_single_file = True,
-            cfg = "exec",
-            default = "@bazel_tools//tools/cpp:grep-includes",
-        )
-    return d
-
 # upb_proto_library() ##########################################################
 
 def _get_upb_proto_library_aspect_provides():
@@ -438,7 +429,7 @@ def _get_upb_proto_library_aspect_provides():
     return provides
 
 upb_proto_library_aspect = aspect(
-    attrs = _maybe_add({
+    attrs = {
         "_copts": attr.label(
             default = "//:upb_proto_library_copts__for_generated_code_only_do_not_use",
         ),
@@ -459,7 +450,7 @@ upb_proto_library_aspect = aspect(
             "//:generated_code_support__only_for_generated_code_do_not_use__i_give_permission_to_break_me",
         ]),
         "_fasttable_enabled": attr.label(default = "//:fasttable_enabled"),
-    }),
+    },
     implementation = upb_proto_library_aspect_impl,
     provides = _get_upb_proto_library_aspect_provides(),
     attr_aspects = ["deps"],
@@ -484,7 +475,7 @@ upb_proto_library = rule(
 # upb_proto_reflection_library() ###############################################
 
 _upb_proto_reflection_library_aspect = aspect(
-    attrs = _maybe_add({
+    attrs = {
         "_copts": attr.label(
             default = "//:upb_proto_library_copts__for_generated_code_only_do_not_use",
         ),
@@ -506,7 +497,7 @@ _upb_proto_reflection_library_aspect = aspect(
                 "//:generated_reflection_support__only_for_generated_code_do_not_use__i_give_permission_to_break_me",
             ],
         ),
-    }),
+    },
     implementation = _upb_proto_reflection_library_aspect_impl,
     provides = [
         _UpbDefsWrappedCcInfo,
diff --git a/protos/bazel/upb_cc_proto_library.bzl b/protos/bazel/upb_cc_proto_library.bzl
index d6b996997e..f109f9d247 100644
--- a/protos/bazel/upb_cc_proto_library.bzl
+++ b/protos/bazel/upb_cc_proto_library.bzl
@@ -244,17 +244,8 @@ def _upb_cc_proto_aspect_impl(target, ctx, generator, cc_provider, file_provider
 def _upb_cc_proto_library_aspect_impl(target, ctx):
     return _upb_cc_proto_aspect_impl(target, ctx, "upbprotos", _UpbCcWrappedCcInfo, _WrappedCcGeneratedSrcsInfo)
 
-def _maybe_add(d):
-    if _is_google3:
-        d["_grep_includes"] = attr.label(
-            allow_single_file = True,
-            cfg = "exec",
-            default = "@bazel_tools//tools/cpp:grep-includes",
-        )
-    return d
-
 _upb_cc_proto_library_aspect = aspect(
-    attrs = _maybe_add({
+    attrs = {
         "_ccopts": attr.label(
             default = "//protos:upb_cc_proto_library_copts__for_generated_code_only_do_not_use",
         ),
@@ -282,7 +273,7 @@ _upb_cc_proto_library_aspect = aspect(
                 "//protos:repeated_field",
             ],
         ),
-    }),
+    },
     implementation = _upb_cc_proto_library_aspect_impl,
     provides = [
         _UpbCcWrappedCcInfo,