diff --git a/db/migrate/011_add_language_ext.rb b/db/migrate/011_add_language_ext.rb
--- a/db/migrate/011_add_language_ext.rb
+++ b/db/migrate/011_add_language_ext.rb
@@ -3,7 +3,7 @@
     add_column :languages, :ext, :string, :limit => 10
 
     Language.reset_column_information
-    langs = Language.find(:all)
+    langs = Language.all
     langs.each do |l|
       l.ext = l.name
       l.save
diff --git a/db/migrate/015_add_status_to_tasks.rb b/db/migrate/015_add_status_to_tasks.rb
--- a/db/migrate/015_add_status_to_tasks.rb
+++ b/db/migrate/015_add_status_to_tasks.rb
@@ -4,7 +4,7 @@
     add_column :tasks, :updated_at, :datetime
 
     Task.reset_column_information
-    Task.find(:all).each do |task|
+    Task.all.each do |task|
       task.status_complete
       task.save
     end
diff --git a/db/migrate/018_add_number_to_submissions.rb b/db/migrate/018_add_number_to_submissions.rb
--- a/db/migrate/018_add_number_to_submissions.rb
+++ b/db/migrate/018_add_number_to_submissions.rb
@@ -9,8 +9,7 @@
     last_problem_id = nil
     current_number = 0
 
-    Submission.find(:all, 
-                    :order => 'user_id, problem_id, submitted_at').each do |submission|
+    Submission.order('user_id, problem_id, submitted_at').each do |submission|
       if submission.user_id==last_user_id and submission.problem_id==last_problem_id
         current_number += 1
       else
diff --git a/db/migrate/025_add_site_to_user_and_add_default_site.rb b/db/migrate/025_add_site_to_user_and_add_default_site.rb
--- a/db/migrate/025_add_site_to_user_and_add_default_site.rb
+++ b/db/migrate/025_add_site_to_user_and_add_default_site.rb
@@ -7,7 +7,7 @@
     add_column :users, :site_id, :integer
     User.reset_column_information
 
-    User.find(:all).each do |user|
+    User.all.each do |user|
 
       class << user
         def valid?
diff --git a/db/migrate/028_refactor_problem_body_to_description.rb b/db/migrate/028_refactor_problem_body_to_description.rb
--- a/db/migrate/028_refactor_problem_body_to_description.rb
+++ b/db/migrate/028_refactor_problem_body_to_description.rb
@@ -3,7 +3,7 @@
     add_column :problems, :description_id, :integer
     Problem.reset_column_information
     
-    Problem.find(:all).each do |problem|
+    Problem.all.each do |problem|
       if problem.body!=nil
         description = Description.new
         description.body = problem.body
@@ -21,7 +21,7 @@
     add_column :problems, :body, :text
     Problem.reset_column_information
 
-    Problem.find(:all).each do |problem|
+    Problem.all.each do |problem|
       if problem.description_id != nil
         problem.body = Description.find(problem.description_id).body
         problem.save
diff --git a/db/migrate/029_add_test_allowed_to_problems.rb b/db/migrate/029_add_test_allowed_to_problems.rb
--- a/db/migrate/029_add_test_allowed_to_problems.rb
+++ b/db/migrate/029_add_test_allowed_to_problems.rb
@@ -3,7 +3,7 @@
     add_column :problems, :test_allowed, :boolean
     Problem.reset_column_information
 
-    Problem.find(:all).each do |problem|
+    Problem.all.each do |problem|
       problem.test_allowed = true
       problem.save
     end
diff --git a/db/migrate/20081204122651_add_activated_to_users.rb b/db/migrate/20081204122651_add_activated_to_users.rb
--- a/db/migrate/20081204122651_add_activated_to_users.rb
+++ b/db/migrate/20081204122651_add_activated_to_users.rb
@@ -4,7 +4,7 @@
 
     User.reset_column_information
 
-    User.find(:all).each do |user|
+    User.all.each do |user|
 
       # disable validation
       class <<user
diff --git a/db/migrate/20090416235658_add_common_ext_to_languages.rb b/db/migrate/20090416235658_add_common_ext_to_languages.rb
--- a/db/migrate/20090416235658_add_common_ext_to_languages.rb
+++ b/db/migrate/20090416235658_add_common_ext_to_languages.rb
@@ -11,7 +11,7 @@
       'cpp' => 'cpp,cc',
       'pas' => 'pas' 
     }
-    Language.find(:all).each do |lang|
+    Language.all.each do |lang|
       lang.common_ext = common_ext[lang.name]
       lang.save
     end