diff --git a/app/controllers/versions_controller.rb b/app/controllers/versions_controller.rb
index a5364169e..30fdc9313 100644
--- a/app/controllers/versions_controller.rb
+++ b/app/controllers/versions_controller.rb
@@ -34,7 +34,7 @@ class VersionsController < ApplicationController
         @trackers = @project.trackers.sorted.to_a
         retrieve_selected_tracker_ids(@trackers, @trackers.select {|t| t.is_in_roadmap?})
         @with_subprojects = params[:with_subprojects].nil? ? Setting.display_subprojects_issues? : (params[:with_subprojects] == '1')
-        project_ids = @with_subprojects ? @project.self_and_descendants.collect(&:id) : [@project.id]
+        project_ids = @with_subprojects ? @project.self_and_descendants.pluck(:id) : [@project.id]
 
         @versions = @project.shared_versions.preload(:custom_values)
         @versions += @project.rolled_up_versions.visible.preload(:custom_values) if @with_subprojects
diff --git a/app/models/issue.rb b/app/models/issue.rb
index 114d96208..d04705d58 100644
--- a/app/models/issue.rb
+++ b/app/models/issue.rb
@@ -1383,7 +1383,7 @@ class Issue < ActiveRecord::Base
   # Unassigns issues from versions that are no longer shared
   # after +project+ was moved
   def self.update_versions_from_hierarchy_change(project)
-    moved_project_ids = project.self_and_descendants.reload.collect(&:id)
+    moved_project_ids = project.self_and_descendants.reload.pluck(:id)
     # Update issues of the moved projects and issues assigned to a version of a moved project
     Issue.update_versions(
             ["#{Version.table_name}.project_id IN (?) OR #{Issue.table_name}.project_id IN (?)",