diff --git a/BUILD.gn b/BUILD.gn
index 204e2d3..3f2ea44 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -275,9 +275,15 @@
   }
 
   if (use.dlc) {
-    sources += [ "dlcservice_chromeos.cc" ]
+    sources += [
+      "dlcservice_chromeos.cc",
+      "excluder_chromeos.cc",
+    ]
   } else {
-    sources += [ "common/dlcservice_stub.cc" ]
+    sources += [
+      "common/dlcservice_stub.cc",
+      "common/excluder_stub.cc",
+    ]
   }
 }
 
@@ -515,6 +521,9 @@
       "update_manager/weekly_time_unittest.cc",
       "update_status_utils_unittest.cc",
     ]
+    if (use.dlc) {
+      sources += [ "excluder_chromeos_unittest.cc" ]
+    }
 
     # //common-mk:test should be on the top.
     # TODO(crbug.com/887845): Remove this after library odering issue is fixed.