Remove :rails_env task since it is not needed anymore.

activerecord/lib/active_record/railties/databases.rake

@@ -20,7 +20,7 @@ db_namespace = namespace :db do
   end
 
   desc 'Create the database from config/database.yml for the current Rails.env (use db:create:all to create all dbs in the config)'
-  task :create => [:load_config, :rails_env] do
+  task :create => [:load_config] do
     ActiveRecord::Tasks::DatabaseTasks.create_current
   end
 
@@ -31,7 +31,7 @@ db_namespace = namespace :db do
   end
 
   desc 'Drops the database for the current Rails.env (use db:drop:all to drop all databases)'
-  task :drop => [:load_config, :rails_env] do
+  task :drop => [:load_config] do
     ActiveRecord::Tasks::DatabaseTasks.drop_current
   end
 
@@ -88,7 +88,7 @@ db_namespace = namespace :db do
     end
 
     desc 'Display status of migrations'
-    task :status => [:environment, :load_config, :rails_env] do
+    task :status => [:environment, :load_config] do
       config = ActiveRecord::Base.configurations[Rails.env]
       ActiveRecord::Base.establish_connection(config)
       unless ActiveRecord::Base.connection.table_exists?(ActiveRecord::Migrator.schema_migrations_table_name)
@@ -142,12 +142,12 @@ db_namespace = namespace :db do
   end
 
   # desc "Retrieves the charset for the current environment's database"
-  task :charset => [:environment, :load_config, :rails_env] do
+  task :charset => [:environment, :load_config] do
     puts ActiveRecord::Tasks::DatabaseTasks.charset_current
   end
 
   # desc "Retrieves the collation for the current environment's database"
-  task :collation => [:environment, :load_config, :rails_env] do
+  task :collation => [:environment, :load_config] do
     begin
       puts ActiveRecord::Tasks::DatabaseTasks.collation_current
     rescue NoMethodError
@@ -184,7 +184,7 @@ db_namespace = namespace :db do
 
   namespace :fixtures do
     desc "Load fixtures into the current environment's database. Load specific fixtures using FIXTURES=x,y. Load from subdirectory in test/fixtures using FIXTURES_DIR=z. Specify an alternative path (eg. spec/fixtures) using FIXTURES_PATH=spec/fixtures."
-    task :load => [:environment, :load_config, :rails_env] do
+    task :load => [:environment, :load_config] do
       require 'active_record/fixtures'
 
       ActiveRecord::Base.establish_connection(Rails.env)
@@ -222,7 +222,7 @@ db_namespace = namespace :db do
 
   namespace :schema do
     desc 'Create a db/schema.rb file that can be portably used against any DB supported by AR'
-    task :dump => [:environment, :load_config, :rails_env] do
+    task :dump => [:environment, :load_config] do
       require 'active_record/schema_dumper'
       filename = ENV['SCHEMA'] || "#{Rails.root}/db/schema.rb"
       File.open(filename, "w:utf-8") do |file|
@@ -248,7 +248,7 @@ db_namespace = namespace :db do
 
     namespace :cache do
       desc 'Create a db/schema_cache.dump file.'
-      task :dump => [:environment, :load_config, :rails_env] do
+      task :dump => [:environment, :load_config] do
         con = ActiveRecord::Base.connection
         filename = File.join(Rails.application.config.paths["db"].first, "schema_cache.dump")
 
@@ -277,7 +277,7 @@ db_namespace = namespace :db do
     end
 
     desc 'Dump the database structure to db/structure.sql. Specify another file with DB_STRUCTURE=db/my_structure.sql'
-    task :dump => [:environment, :load_config, :rails_env] do
+    task :dump => [:environment, :load_config] do
       abcs = ActiveRecord::Base.configurations
       filename = ENV['DB_STRUCTURE'] || File.join(Rails.root, "db", "structure.sql")
       case abcs[Rails.env]['adapter']

railties/lib/rails/tasks/misc.rake

@@ -1,10 +1,3 @@
-task :rails_env do
-  # TODO Do we really need this?
-  unless defined? RAILS_ENV
-    RAILS_ENV = ENV['RAILS_ENV'] ||= 'development'
-  end
-end
-
 desc 'Generate a cryptographically secure secret key (this is typically used to generate a secret for cookie sessions).'
 task :secret do
   require 'securerandom'