Have the secure credentials in separate header files.
diff --git a/build.json b/build.json
index f8f23e0..960af94 100644
--- a/build.json
+++ b/build.json
@@ -464,6 +464,10 @@
       "name": "grpc++",
       "build": "all",
       "language": "c++",
+      "headers": [
+        "src/cpp/client/secure_credentials.h",
+        "src/cpp/server/secure_server_credentials.h"
+      ],
       "src": [
         "src/cpp/client/secure_credentials.cc",
         "src/cpp/server/secure_server_credentials.cc"