diff --git a/rs_bindings_from_cc/bazel_support/rust_bindings_from_cc_aspect.bzl b/rs_bindings_from_cc/bazel_support/rust_bindings_from_cc_aspect.bzl
index d44ce85..9cd8fa1 100644
--- a/rs_bindings_from_cc/bazel_support/rust_bindings_from_cc_aspect.bzl
+++ b/rs_bindings_from_cc/bazel_support/rust_bindings_from_cc_aspect.bzl
@@ -43,10 +43,18 @@
 def _filter_hdrs(input_list):
     return [hdr for hdr in input_list if _is_hdr(hdr)]
 
-# Targets which do not receive rust bindings at all.
+# Targets which do not receive rust bindings at all. Most significantly, the header is not
+# attributed to belonging to this target. So, the main use for this list is to resolve
+# ambiguously-owned headers by disabling one of the targets.
 targets_to_remove = [
 ]
 
+# If a target starts with any of these strings, Crubit will not parse the bindings.
+disabled_prefixes = [
+    "//third_party/grpc/",
+    "//net/grpc/",
+]
+
 # Specific headers, in specific targets, which do not receive Rust bindings.
 #
 # This is mainly for if the same header is in two different targets, only one of which is canonical.
@@ -55,7 +63,21 @@
 private_headers_to_remove = {
 }
 
-def _collect_hdrs(ctx):
+def _enabled(target, ctx):
+    """Returns True if Crubit is enabled, False if Crubit should not generate bindings for it."""
+
+    # Targets/packages with -parse_headers cannot work with Crubit, which parses headers.
+    # We maintain the target ownership (the target_args), but we do not actually generate bindings
+    # for the headers, by pretending the headers were private.
+    if "parse_headers" in ctx.disabled_features:
+        return False
+    label = str(target.label)
+    for prefix in disabled_prefixes:
+        if label.startswith(prefix):
+            return False
+    return True
+
+def _collect_hdrs(target, ctx):
     public_hdrs = _filter_hdrs(ctx.rule.files.hdrs)
     private_hdrs = _filter_hdrs(ctx.rule.files.srcs) if hasattr(ctx.rule.attr, "srcs") else []
     label = str(ctx.label)
@@ -71,6 +93,9 @@
     ]
 
     all_standalone_hdrs = depset(public_hdrs + private_hdrs).to_list()
+
+    if not _enabled(target, ctx):
+        public_hdrs = []
     return public_hdrs, all_standalone_hdrs
 
 def _is_proto_library(target):
@@ -114,7 +139,7 @@
     public_hdrs = []
     all_standalone_hdrs = []
     if hasattr(ctx.rule.attr, "hdrs"):
-        public_hdrs, all_standalone_hdrs = _collect_hdrs(ctx)
+        public_hdrs, all_standalone_hdrs = _collect_hdrs(target, ctx)
     elif _is_proto_library(target):
         #TODO(b/232199093): Ideally we would get this information from a proto-specific provider,
         # but ProtoCcFilesProvider is private currently. Use it once public.
diff --git a/rs_bindings_from_cc/cmdline.cc b/rs_bindings_from_cc/cmdline.cc
index ee66904..832cdb4 100644
--- a/rs_bindings_from_cc/cmdline.cc
+++ b/rs_bindings_from_cc/cmdline.cc
@@ -60,7 +60,8 @@
 ABSL_FLAG(std::vector<std::string>, public_headers, std::vector<std::string>(),
           "public headers of the cc_library this tool should generate bindings "
           "for, in a format suitable for usage in google3-relative quote "
-          "include (#include \"\").");
+          "include (#include \"\"). Note that this can be different than the "
+          "headers attributed to the target via target_args.");
 ABSL_FLAG(std::string, target, "", "The target to generate bindings for.");
 ABSL_FLAG(std::string, target_args, "",
           "Per-target Crubit arguments, encoded as a JSON array. This contains "
diff --git a/rs_bindings_from_cc/importers/BUILD b/rs_bindings_from_cc/importers/BUILD
index 1b14b2b..4a76aab 100644
--- a/rs_bindings_from_cc/importers/BUILD
+++ b/rs_bindings_from_cc/importers/BUILD
@@ -88,6 +88,7 @@
         "//rs_bindings_from_cc:cc_ir",
         "//rs_bindings_from_cc:decl_importer",
         "//rs_bindings_from_cc:recording_diagnostic_consumer",
+        "@abseil-cpp//absl/log",
         "@abseil-cpp//absl/log:check",
         "@abseil-cpp//absl/status:statusor",
         "@abseil-cpp//absl/strings",
diff --git a/rs_bindings_from_cc/importers/function.cc b/rs_bindings_from_cc/importers/function.cc
index 5d4b3d3..c2b1905 100644
--- a/rs_bindings_from_cc/importers/function.cc
+++ b/rs_bindings_from_cc/importers/function.cc
@@ -13,6 +13,7 @@
 #include <vector>
 
 #include "absl/log/check.h"
+#include "absl/log/log.h"
 #include "absl/status/statusor.h"
 #include "absl/strings/str_cat.h"
 #include "absl/strings/substitute.h"