diff --git a/app/controllers/issues_controller.rb b/app/controllers/issues_controller.rb
index 1f983419..fc35d8d8 100644
--- a/app/controllers/issues_controller.rb
+++ b/app/controllers/issues_controller.rb
@@ -111,7 +111,6 @@ class IssuesController < ApplicationController
       end
     end
     show
-    render :action => 'show'
   end
 
   def change_status
diff --git a/app/models/issue.rb b/app/models/issue.rb
index fc7f6e1b..7730cfd7 100644
--- a/app/models/issue.rb
+++ b/app/models/issue.rb
@@ -71,11 +71,6 @@ class Issue < ActiveRecord::Base
     if start_date && soonest_start && start_date < soonest_start
       errors.add :start_date, :activerecord_error_invalid
     end
-    
-    # validate assignment
-    if assigned_to && !assignable_users.include?(assigned_to)
-      errors.add :assigned_to_id, :activerecord_error_invalid
-    end
   end
   
   def before_create