diff --git a/products/monitoring/api.yaml b/products/monitoring/api.yaml
index 5f76dc39509b..91a41033b270 100644
--- a/products/monitoring/api.yaml
+++ b/products/monitoring/api.yaml
@@ -901,7 +901,6 @@ objects:
         the channel. This may not exceed 1024 Unicode characters.
     - !ruby/object:Api::Type::String
       name: displayName
-      required: true
       description: An optional human-readable name for this notification channel. It
         is recommended that you specify a non-empty and unique name in order to make
         it easier to identify the channels in your project, though this is not enforced.