diff --git a/build.py b/build.py
index 318e65534f..916c10f8e2 100755
--- a/build.py
+++ b/build.py
@@ -310,11 +310,13 @@ def examples_star_json(name, match):
               "tweakValidation",
               "undefinedNames",
               "undefinedVars",
-              "unknownDefines",
               "uselessCode",
               "violatedModuleDep",
               "visibility"
             ],
+            "jscomp_off": [
+              "unknownDefines"
+            ],
             "extra_annotation_name": [
               "api", "observable"
             ],