diff --git a/google-cloud-redis-cluster/lib/google/cloud/redis/cluster.rb b/google-cloud-redis-cluster/lib/google/cloud/redis/cluster.rb
index 2c58aa13aa15..c8ca5108889a 100644
--- a/google-cloud-redis-cluster/lib/google/cloud/redis/cluster.rb
+++ b/google-cloud-redis-cluster/lib/google/cloud/redis/cluster.rb
@@ -77,12 +77,6 @@ module Cluster
         # Note that location_id must be a GCP `region`; for example:
         # * `projects/redpepper-1290/locations/us-central1/clusters/my-redis`
         #
-        # We use API version selector for Flex APIs
-        # * The versioning strategy is release-based versioning
-        # * Our backend CLH only deals with the superset version (called v1main)
-        # * Existing backend for Redis Gen1 and MRR is not touched.
-        # * More details in go/redis-flex-api-versioning
-        #
         # @param version [::String, ::Symbol] The API version to connect to. Optional.
         #   Defaults to `:v1`.
         # @param transport [:grpc, :rest] The transport to use. Defaults to `:grpc`.