diff --git a/lib/redmine_messenger/patches/issue_patch.rb b/lib/redmine_messenger/patches/issue_patch.rb
index e220c50..25164bb 100644
--- a/lib/redmine_messenger/patches/issue_patch.rb
+++ b/lib/redmine_messenger/patches/issue_patch.rb
@@ -106,5 +106,3 @@ module RedmineMessenger
     end
   end
 end
-
-Issue.send(:include, RedmineMessenger::Patches::IssuePatch) unless Issue.included_modules.include? RedmineMessenger::Patches::IssuePatch
diff --git a/lib/redmine_messenger/patches/password_patch.rb b/lib/redmine_messenger/patches/password_patch.rb
index 2cd4009..83faebe 100644
--- a/lib/redmine_messenger/patches/password_patch.rb
+++ b/lib/redmine_messenger/patches/password_patch.rb
@@ -46,7 +46,3 @@ module RedmineMessenger
     end
   end
 end
-
-unless Password.included_modules.include? RedmineMessenger::Patches::PasswordPatch
-  Password.send(:include, RedmineMessenger::Patches::PasswordPatch)
-end