3 files changed, 2 insertions, 4 deletions
diff --git a/actionpack/lib/action_controller/caching.rb b/actionpack/lib/action_controller/caching.rb
index a9a8508abc..954265ad97 100644
--- a/actionpack/lib/action_controller/caching.rb
+++ b/actionpack/lib/action_controller/caching.rb
@@ -38,7 +38,7 @@ module ActionController
       end
 
       def instrument_name
-        "action_controller"
+        "action_controller".freeze
       end
   end
 end
diff --git a/actionpack/lib/action_controller/metal/implicit_render.rb b/actionpack/lib/action_controller/metal/implicit_render.rb
index 8615c16c6f..dde924e682 100644
--- a/actionpack/lib/action_controller/metal/implicit_render.rb
+++ b/actionpack/lib/action_controller/metal/implicit_render.rb
@@ -1,5 +1,3 @@
-require "active_support/core_ext/string/strip"
-
 module ActionController
   # Handles implicit rendering for a controller action that does not
   # explicitly respond with +render+, +respond_to+, +redirect+, or +head+.
diff --git a/actionpack/lib/action_controller/metal/redirecting.rb b/actionpack/lib/action_controller/metal/redirecting.rb
index 4dfcf4da28..a349841082 100644
--- a/actionpack/lib/action_controller/metal/redirecting.rb
+++ b/actionpack/lib/action_controller/metal/redirecting.rb
@@ -56,7 +56,7 @@ module ActionController
 
       self.status        = _extract_redirect_to_status(options, response_status)
       self.location      = _compute_redirect_to_location(request, options)
-      self.response_body = "<html><body>You are being <a href=\"#{ERB::Util.unwrapped_html_escape(location)}\">redirected</a>.</body></html>"
+      self.response_body = "<html><body>You are being <a href=\"#{ERB::Util.unwrapped_html_escape(response.location)}\">redirected</a>.</body></html>"
     end
 
     # Redirects the browser to the page that issued the request (the referrer)