diff --git a/activesupport/CHANGELOG.md b/activesupport/CHANGELOG.md
index 163fbdbca62e6132e33b496825e77084a3da5331..30985060fddb6f96c914e9847949674716ba44c3 100644
--- a/activesupport/CHANGELOG.md
+++ b/activesupport/CHANGELOG.md
@@ -1,3 +1,9 @@
+*   Remove unused parameter `options = nil` for `#clear` of
+    `ActiveSupport::Cache::Strategy::LocalCache::LocalStore` and
+    `ActiveSupport::Cache::Strategy::LocalCache`.
+
+    *Yosuke Kabuto*
+
 *   Fix `thread_mattr_accessor` subclass no longer overwrites parent.
 
     Assigning a value to a subclass using `thread_mattr_accessor` no
diff --git a/activesupport/lib/active_support/cache.rb b/activesupport/lib/active_support/cache.rb
index b0d371d91ebbf7763ce8a7403ec1ed48f52aace1..8ef91fa3f0b65ea548d537b57af1e307fb725e8c 100644
--- a/activesupport/lib/active_support/cache.rb
+++ b/activesupport/lib/active_support/cache.rb
@@ -464,7 +464,7 @@ def cleanup(options = nil)
       # The options hash is passed to the underlying cache implementation.
       #
       # All implementations may not support this method.
-      def clear(options = nil)
+      def clear
         raise NotImplementedError.new("#{self.class.name} does not support clear")
       end
 
diff --git a/activesupport/lib/active_support/cache/file_store.rb b/activesupport/lib/active_support/cache/file_store.rb
index 297c91303496d6cf1205e50c740b675706ead4e2..1971ff182ed592c7351ee9783f095e1b6dcbb2c3 100644
--- a/activesupport/lib/active_support/cache/file_store.rb
+++ b/activesupport/lib/active_support/cache/file_store.rb
@@ -27,7 +27,7 @@ def initialize(cache_path, options = nil)
       # Deletes all items from the cache. In this case it deletes all the entries in the specified
       # file store directory except for .keep or .gitkeep. Be careful which directory is specified in your
       # config file when using +FileStore+ because everything in that directory will be deleted.
-      def clear(options = nil)
+      def clear
         root_dirs = exclude_from(cache_path, EXCLUDED_DIRS + GITKEEP_FILES)
         FileUtils.rm_r(root_dirs.collect { |f| File.join(cache_path, f) })
       rescue Errno::ENOENT
diff --git a/activesupport/lib/active_support/cache/strategy/local_cache.rb b/activesupport/lib/active_support/cache/strategy/local_cache.rb
index fbc28fedb16e522d000a8c66096dd50805903b8b..ec2e96a106384f82aaa51ae45eb51638373e87db 100644
--- a/activesupport/lib/active_support/cache/strategy/local_cache.rb
+++ b/activesupport/lib/active_support/cache/strategy/local_cache.rb
@@ -44,7 +44,7 @@ def synchronize # :nodoc:
             yield
           end
 
-          def clear(options = nil)
+          def clear
             @data.clear
           end
 
@@ -78,9 +78,9 @@ def middleware
             local_cache_key)
         end
 
-        def clear(options = nil) # :nodoc:
+        def clear # :nodoc:
           return super unless cache = local_cache
-          cache.clear(options)
+          cache.clear
           super
         end