diff --git a/aos/common/controls/BUILD b/aos/common/controls/BUILD
index 44e6db4..de100bb 100644
--- a/aos/common/controls/BUILD
+++ b/aos/common/controls/BUILD
@@ -31,6 +31,7 @@
     '//aos/testing:googletest',
     '//aos/testing:test_shm',
   ],
+  testonly = True,
 )
 
 cc_library(