diff --git a/app/controllers/members_controller.rb b/app/controllers/members_controller.rb
index c7d584ebb..0a31db81b 100644
--- a/app/controllers/members_controller.rb
+++ b/app/controllers/members_controller.rb
@@ -15,7 +15,7 @@ class MembersController < ApplicationController
   end
 
   def index
-    scope = @project.members.includes(:roles, user: :user_extension)
+    scope = @project.except_owner_members.includes(:roles, user: :user_extension)
     @total_count = scope.size
     @members = paginate(scope)
   end
diff --git a/app/models/concerns/project_operable.rb b/app/models/concerns/project_operable.rb
index 4307ae543..513eff3a1 100644
--- a/app/models/concerns/project_operable.rb
+++ b/app/models/concerns/project_operable.rb
@@ -2,9 +2,9 @@ module ProjectOperable
   extend ActiveSupport::Concern
 
   included do
-    has_many :members
-    # has_many :except_owner_members, -> { members.where("members.use_id != ? ", self.owner.id ) }
-    has_many :manager_members, -> { joins(:roles).where(roles: { name: 'Manager' }) }, class_name: 'Member'
+    has_many :members, dependent: :destroy
+    has_many :except_owner_members, -> { joins(:roles).where.not(roles: { name: 'Manager' }) }, class_name: 'Member'
+    has_many :manager_members,      -> { joins(:roles).where(roles: { name: 'Manager' }) }, class_name: 'Member'
   end
 
   def add_member!(user_id, role_name='Developer')