diff --git a/gems/actionview/6.0/actionview-generated.rbs b/gems/actionview/6.0/actionview-generated.rbs
index 1f9e2a874..597fecd44 100644
--- a/gems/actionview/6.0/actionview-generated.rbs
+++ b/gems/actionview/6.0/actionview-generated.rbs
@@ -10169,7 +10169,7 @@ module ActionView
     class Cache
       # Threadsafe template cache
       # nodoc:
-      class SmallCache < Concurrent::Map
+      class SmallCache < Concurrent::Map[untyped, untyped]
         def initialize: (?::Hash[untyped, untyped] options) -> untyped
       end
 
diff --git a/gems/actionview/6.0/patch.rbs b/gems/actionview/6.0/patch.rbs
index d52c946c7..14be489e1 100644
--- a/gems/actionview/6.0/patch.rbs
+++ b/gems/actionview/6.0/patch.rbs
@@ -5,13 +5,6 @@ module ActionView
   end
 end
 
-# Remove the fake type for Concurrent::Map
-# if the real types are available.
-module Concurrent
-  class Map
-  end
-end
-
 # Remove the fake type for I18n::Config
 # if the real types are available.
 module I18n