diff --git a/build.json b/build.json
index c7c640d2c21..1e11a4daade 100644
--- a/build.json
+++ b/build.json
@@ -239,7 +239,6 @@
         "include/grpc/support/useful.h"
       ],
       "headers": [
-        "src/core/support/cpu.h",
         "src/core/support/env.h",
         "src/core/support/file.h",
         "src/core/support/murmur_hash.h",