1 files changed, 6 insertions, 8 deletions
diff --git a/activerecord/lib/active_record/core.rb b/activerecord/lib/active_record/core.rb
index c1eaa4f49b..44d587206d 100644
--- a/activerecord/lib/active_record/core.rb
+++ b/activerecord/lib/active_record/core.rb
@@ -107,20 +107,18 @@ module ActiveRecord
         super
       end
 
-      def initialize_find_by_cache
+      def initialize_find_by_cache # :nodoc:
         self.find_by_statement_cache = {}.extend(Mutex_m)
       end
 
-      def inherited(child_class)
+      def inherited(child_class) # :nodoc:
         child_class.initialize_find_by_cache
         super
       end
 
-      def find(*ids)
+      def find(*ids) # :nodoc:
         # We don't have cache keys for this stuff yet
         return super unless ids.length == 1
-        # Allow symbols to super to maintain compatibility for deprecated finders until Rails 5
-        return super if ids.first.kind_of?(Symbol)
         return super if block_given? ||
                         primary_key.nil? ||
                         default_scopes.any? ||
@@ -152,7 +150,7 @@ module ActiveRecord
         raise RecordNotFound, "Couldn't find #{name} with an out of range value for '#{primary_key}'"
       end
 
-      def find_by(*args)
+      def find_by(*args) # :nodoc:
         return super if current_scope || !(Hash === args.first) || reflect_on_all_aggregations.any?
         return super if default_scopes.any?
 
@@ -185,11 +183,11 @@ module ActiveRecord
         end
       end
 
-      def find_by!(*args)
+      def find_by!(*args) # :nodoc:
         find_by(*args) or raise RecordNotFound.new("Couldn't find #{name}")
       end
 
-      def initialize_generated_modules
+      def initialize_generated_modules # :nodoc:
         generated_association_methods
       end