diff --git a/utils/bazel/llvm-project-overlay/llvm/enum_targets_gen.bzl b/utils/bazel/llvm-project-overlay/llvm/enum_targets_gen.bzl
index 998b706dbbbbe..79617490bf7a4 100644
--- a/utils/bazel/llvm-project-overlay/llvm/enum_targets_gen.bzl
+++ b/utils/bazel/llvm-project-overlay/llvm/enum_targets_gen.bzl
@@ -64,7 +64,5 @@ enum_targets_gen = rule(
                   " `@LLVM_ENUM_{macro_name}S@`",
         ),
     },
-    # output_to_genfiles is required for header files.
-    output_to_genfiles = True,
     implementation = enum_targets_gen_impl,
 )
diff --git a/utils/bazel/llvm-project-overlay/mlir/tblgen.bzl b/utils/bazel/llvm-project-overlay/mlir/tblgen.bzl
index 9d26822ac1638..fdf6a57107ac3 100644
--- a/utils/bazel/llvm-project-overlay/mlir/tblgen.bzl
+++ b/utils/bazel/llvm-project-overlay/mlir/tblgen.bzl
@@ -181,8 +181,6 @@ def _gentbl_rule_impl(ctx):
 gentbl_rule = rule(
     _gentbl_rule_impl,
     doc = "Generates tabular code from a table definition file.",
-    # Match genrule behavior
-    output_to_genfiles = True,
     attrs = {
         "tblgen": attr.label(
             doc = "The TableGen executable with which to generate `out`.",