1 files changed, 3 insertions, 2 deletions
diff --git a/actionpack/lib/action_dispatch/journey/router.rb b/actionpack/lib/action_dispatch/journey/router.rb
index 9131b65380..e9df984c86 100644
--- a/actionpack/lib/action_dispatch/journey/router.rb
+++ b/actionpack/lib/action_dispatch/journey/router.rb
@@ -68,8 +68,8 @@ module ActionDispatch
 
       def visualizer
         tt     = GTG::Builder.new(ast).transition_table
-        groups = partitioned_routes.first.map(&:ast).group_by { |a| a.to_s }
-        asts   = groups.values.map { |v| v.first }
+        groups = partitioned_routes.first.map(&:ast).group_by(&:to_s)
+        asts   = groups.values.map(&:first)
         tt.visualizer(asts)
       end
 
@@ -121,6 +121,7 @@ module ActionDispatch
         end
 
         def match_head_routes(routes, req)
+          routes.delete_if { |route| route.verb == // }
           head_routes = match_routes(routes, req)
 
           if head_routes.empty?