diff --git a/activesupport/lib/active_support/cache/memory_store.rb b/activesupport/lib/active_support/cache/memory_store.rb
index 8a0523d0e275a..90bb2c38c3db8 100644
--- a/activesupport/lib/active_support/cache/memory_store.rb
+++ b/activesupport/lib/active_support/cache/memory_store.rb
@@ -126,7 +126,7 @@ def synchronize(&block) # :nodoc:
 
         PER_ENTRY_OVERHEAD = 240
 
-        def cached_size(key, entry)
+        def cached_size(key, entry) # :nodoc:
           key.to_s.bytesize + entry.size + PER_ENTRY_OVERHEAD
         end
 
diff --git a/activesupport/lib/active_support/cache/strategy/local_cache.rb b/activesupport/lib/active_support/cache/strategy/local_cache.rb
index a913736fc30e4..fe5bc82c30265 100644
--- a/activesupport/lib/active_support/cache/strategy/local_cache.rb
+++ b/activesupport/lib/active_support/cache/strategy/local_cache.rb
@@ -120,7 +120,7 @@ def delete_entry(key, options) # :nodoc:
             super
           end
 
-          def set_cache_value(value, name, amount, options)
+          def set_cache_value(value, name, amount, options) # :nodoc:
             if local_cache
               local_cache.mute do
                 if value