diff --git a/lib/posthog/client.rb b/lib/posthog/client.rb
index 974da64..0bd022e 100644
--- a/lib/posthog/client.rb
+++ b/lib/posthog/client.rb
@@ -72,7 +72,7 @@ def _decrement_instance_count(api_key)
     # @option opts [Boolean] :skip_ssl_verification +true+ to disable SSL certificate verification for requests.
     #   Intended only for local development or custom deployments.
     # @option opts [Object] :flag_definition_cache_provider An object implementing the {FlagDefinitionCacheProvider}
-    #   interface for distributed flag definition caching. EXPERIMENTAL: This API may change in future minor versions.
+    #   interface for distributed flag definition caching.
     def initialize(opts = {})
       symbolize_keys!(opts)
 
diff --git a/lib/posthog/flag_definition_cache.rb b/lib/posthog/flag_definition_cache.rb
index e7a14b5..6b8c4f2 100644
--- a/lib/posthog/flag_definition_cache.rb
+++ b/lib/posthog/flag_definition_cache.rb
@@ -3,8 +3,6 @@
 module PostHog
   # Interface for external caching of feature flag definitions.
   #
-  # EXPERIMENTAL: This API may change in future minor version bumps.
-  #
   # Enables multi-worker environments (Kubernetes, load-balanced servers,
   # serverless functions) to share flag definitions via an external cache,
   # reducing redundant API calls.