--- a/build/config/BUILDCONFIG.gn
+++ b/build/config/BUILDCONFIG.gn
@@ -624,12 +624,6 @@ foreach(_target_type,
         strict_deps = enable_strict_deps
       }
 
-      if (!defined(check_includes_strict)) {
-        _current_label = get_label_info(":$target_name", "label_no_toolchain")
-        check_includes_strict =
-            filter_include([ _current_label ],
-                           CHECK_INCLUDES_STRICT_ALLOWLIST) != []
-      }
 
       if (use_libcxx_modules && is_clang) {
         if (strict_deps) {
@@ -768,12 +762,6 @@ foreach(_target_type,
         strict_deps = enable_strict_deps
       }
 
-      if (!defined(check_includes_strict)) {
-        _current_label = get_label_info(":$target_name", "label_no_toolchain")
-        check_includes_strict =
-            filter_include([ _current_label ],
-                           CHECK_INCLUDES_STRICT_ALLOWLIST) != []
-      }
 
       if (use_libcxx_modules && is_clang) {
         if (strict_deps) {
--- a/third_party/devtools-frontend/src/front_end/models/ai_assistance/skills/BUILD.gn
+++ b/third_party/devtools-frontend/src/front_end/models/ai_assistance/skills/BUILD.gn
@@ -53,7 +53,4 @@ action_foreach("_generate_skills") {
 
 group("generate_skills") {
   public_deps = [ ":_generate_skills" ]
-  public_inputs =
-      process_file_template(_skill_sources,
-                            [ "$target_gen_dir/{{source_name_part}}.skill.js" ])
 }
--- a/third_party/devtools-frontend/src/scripts/build/ninja/copy.gni
+++ b/third_party/devtools-frontend/src/scripts/build/ninja/copy.gni
@@ -25,9 +25,6 @@ template("copy_to_gen") {
       string_join(",", sources),
     ]
 
-    # Expose ts files to dependent targets.
-    public_inputs = filter_include(sources, [ "*.ts" ])
-
     outputs = []
     foreach(_input, sources) {
       outputs += [ "$target_gen_dir/$_input" ]
--- a/third_party/devtools-frontend/src/scripts/build/ninja/devtools_pre_built.gni
+++ b/third_party/devtools-frontend/src/scripts/build/ninja/devtools_pre_built.gni
@@ -129,18 +129,8 @@ template("devtools_pre_built") {
     }
   }
 
-  # Expose ${target_name}_sources group so ts_deps in devtools_entrypoint
-  # can resolve source dependencies for bundling.
-  _sources = []
-  if (!invoker.sources_are_release) {
-    _sources = invoker.sources
-  }
 
   group("${target_name}_sources") {
-    public_inputs = _sources
-    if (defined(invoker.inputs)) {
-      public_inputs += invoker.inputs
-    }
     public_deps = [ ":$_gen_target_name" ]
     if (defined(invoker.public_deps)) {
       public_deps += invoker.public_deps
--- a/third_party/devtools-frontend/src/scripts/build/typescript/typescript.gni
+++ b/third_party/devtools-frontend/src/scripts/build/typescript/typescript.gni
@@ -229,12 +229,8 @@ template("ts_library") {
                                     ])
 
   _has_handwritten_dts = _handwritten_dts != []
-  _copied_dts_outputs = []
   if (_has_handwritten_dts) {
     _copy_dts_target = "${target_name}_copy_dts"
-    foreach(src, _handwritten_dts) {
-      _copied_dts_outputs += [ "$target_gen_dir/$src" ]
-    }
 
     copy(_copy_dts_target) {
       if (defined(invoker.testonly)) {
@@ -319,9 +315,6 @@ template("ts_library") {
     _ref_sources += invoker.additional_type_definitions
   }
   _compiled_sources = rebase_path(_ref_sources, target_gen_dir)
-  if (_has_handwritten_dts) {
-    _compiled_sources += rebase_path(_copied_dts_outputs, target_gen_dir)
-  }
 
   # Sub-target 2: Generate tsconfig.ref.json for downstream consumers.
   # Downstream dependents point to this tsconfig.ref.json as a project
@@ -359,10 +352,6 @@ template("ts_library") {
     if (defined(invoker.testonly)) {
       testonly = invoker.testonly
     }
-    public_inputs = filter_include(_all_sources, [ "*.ts" ])
-    if (defined(invoker.inputs)) {
-      public_inputs += invoker.inputs
-    }
     public_deps = _non_ts_deps + _sources_deps
   }
 
@@ -394,9 +383,6 @@ template("ts_library") {
       inputs += invoker.inputs
     }
 
-    if (_has_handwritten_dts) {
-      inputs += _copied_dts_outputs
-    }
 
     if (_test_only) {
       inputs += typescript_test_types_inputs
@@ -453,8 +439,6 @@ template("ts_library") {
     if (_has_handwritten_dts) {
       public_deps += [ ":$_copy_dts_target" ]
     }
-    public_inputs = filter_include(_dts_outputs, [ "*.d.ts" ]) +
-                    _copied_dts_outputs + [ _tsconfig_ref_file ]
     if (defined(invoker.public_deps)) {
       public_deps += invoker.public_deps
     }
--- a/third_party/protobuf/proto_library.gni
+++ b/third_party/protobuf/proto_library.gni
@@ -805,7 +805,6 @@ template("proto_library") {
     # Targets depending on proto_library rule should be able to depend on the
     # headers generated by the "${target_name}_gen" target without explicitly
     # depending on ${target_name}_gen
-    check_includes_strict = false
   }
 
   # Build generated javascript stubs.