diff --git a/app/controllers/concerns/authentication.rb b/app/controllers/concerns/authentication.rb
index dc3ee7bb7..39a6d293e 100644
--- a/app/controllers/concerns/authentication.rb
+++ b/app/controllers/concerns/authentication.rb
@@ -48,11 +48,7 @@ module Authentication
     def request_authentication
       session[:return_to_after_authenticating] = request.url
 
-      if Rails.application.config.x.local_authentication
-        redirect_to new_session_path
-      else
-        redirect_to Launchpad.login_url(account: Current.account), allow_other_host: true
-      end
+      redirect_to Launchpad.login_url(account: Current.account), allow_other_host: true
     end
 
     def after_authentication_url
diff --git a/app/controllers/sessions/launchpad_controller.rb b/app/controllers/sessions/launchpad_controller.rb
index 0e2ad16a7..8a9a082dd 100644
--- a/app/controllers/sessions/launchpad_controller.rb
+++ b/app/controllers/sessions/launchpad_controller.rb
@@ -1,8 +1,7 @@
 class Sessions::LaunchpadController < ApplicationController
   require_unauthenticated_access
 
-  before_action :store_sig, only: :show
-  before_action :restore_and_clear_sig, only: :update
+  before_action :require_sig
 
   def show
   end
@@ -17,11 +16,7 @@ class Sessions::LaunchpadController < ApplicationController
   end
 
   private
-    def store_sig
-      cookies[:_fizzy_launchpad_sig] = params.expect(:sig)
-    end
-
-    def restore_and_clear_sig
-      @sig = cookies.delete :_fizzy_launchpad_sig
+    def require_sig
+      @sig = params.expect(:sig)
     end
 end
diff --git a/app/controllers/sessions_controller.rb b/app/controllers/sessions_controller.rb
index 428c5a7f4..fa7d98974 100644
--- a/app/controllers/sessions_controller.rb
+++ b/app/controllers/sessions_controller.rb
@@ -1,28 +1,6 @@
 class SessionsController < ApplicationController
-  require_unauthenticated_access only: %i[ new create ]
-  rate_limit to: 10, within: 3.minutes, only: :create, with: -> { redirect_to new_session_path, alert: "Try again later." }
-
-  before_action :require_first_run_completion
-
-  def new
-  end
-
-  def create
-    if user = User.active.authenticate_by(params.permit(:email_address, :password))
-      start_new_session_for user
-      redirect_to after_authentication_url
-    else
-      redirect_to new_session_path, alert: "Try another email address or password."
-    end
-  end
-
   def destroy
     terminate_session
-    redirect_to new_session_path
+    redirect_to Launchpad.login_url, allow_other_host: true
   end
-
-  private
-    def require_first_run_completion
-      redirect_to first_run_path if Account.none?
-    end
 end
diff --git a/app/controllers/signup/base_controller.rb b/app/controllers/signup/base_controller.rb
index 40ae83e92..088937b04 100644
--- a/app/controllers/signup/base_controller.rb
+++ b/app/controllers/signup/base_controller.rb
@@ -1,6 +1,5 @@
 class Signup::BaseController < ApplicationController
   require_untenanted_access
-  before_action :redirect_if_local_auth
 
   # TODO: Remove this auth before launch.
   http_basic_authenticate_with(
@@ -34,8 +33,4 @@ class Signup::BaseController < ApplicationController
       redirect_to account.signal_account.owner.remote_login_url(proceed_to: root_path),
                   allow_other_host: true
     end
-
-    def redirect_if_local_auth
-      render plain: "Unauthorized", status: :unauthorized if Rails.application.config.x.local_authentication
-    end
 end
diff --git a/app/models/account/signal_account.rb b/app/models/account/signal_account.rb
index 610a4ed9c..a01af7ad2 100644
--- a/app/models/account/signal_account.rb
+++ b/app/models/account/signal_account.rb
@@ -2,10 +2,7 @@ module Account::SignalAccount
   extend ActiveSupport::Concern
 
   included do
-    unless Rails.application.config.x.local_authentication
-      # TODO: remove the "optional: true" once we've populated the accounts properly
-      belongs_to :signal_account, class_name: "SignalId::Account", primary_key: :queenbee_id, foreign_key: :queenbee_id, optional: true
-    end
+    belongs_to :signal_account, class_name: "SignalId::Account", primary_key: :queenbee_id, foreign_key: :queenbee_id
   end
 
   class_methods do
diff --git a/app/models/user/signal_user.rb b/app/models/user/signal_user.rb
index 924cfe87d..16bee49bc 100644
--- a/app/models/user/signal_user.rb
+++ b/app/models/user/signal_user.rb
@@ -2,8 +2,6 @@ module User::SignalUser
   extend ActiveSupport::Concern
 
   included do
-    unless Rails.application.config.x.local_authentication
-      belongs_to :signal_user, dependent: :destroy, class_name: "SignalId::User", optional: true
-    end
+    belongs_to :signal_user, dependent: :destroy, class_name: "SignalId::User", optional: true
   end
 end
diff --git a/app/views/accounts/settings/_users.html.erb b/app/views/accounts/settings/_users.html.erb
index 550715545..7ffd3c5a5 100644
--- a/app/views/accounts/settings/_users.html.erb
+++ b/app/views/accounts/settings/_users.html.erb
@@ -1,6 +1,6 @@
 <div class="panel shadow center flex flex-column">
   <strong class="divider txt-large margin-block-end">People on the account</strong>
-  <%= render "accounts/invite" %>
+  <%#= render "accounts/invite" # Scheduled work in https://3.basecamp.com/2914079/buckets/37331921/todos/8746162337 %>
 
   <div class="flex flex-column" data-controller="filter">
     <div class="pad">
diff --git a/app/views/sessions/launchpad/show.html.erb b/app/views/sessions/launchpad/show.html.erb
index 897e39922..c9acf341d 100644
--- a/app/views/sessions/launchpad/show.html.erb
+++ b/app/views/sessions/launchpad/show.html.erb
@@ -1 +1,3 @@
-<%= auto_submit_form_with method: :put %>
+<%= auto_submit_form_with(method: :put) do |form| %>
+  <%= form.hidden_field(:sig, value: @sig) %>
+<% end %>
diff --git a/app/views/sessions/new.html.erb b/app/views/sessions/new.html.erb
deleted file mode 100644
index d806a904f..000000000
--- a/app/views/sessions/new.html.erb
+++ /dev/null
@@ -1,30 +0,0 @@
-<% @page_title = "Sign in" %>
-
-<div class="panel shadow center margin-block-double <%= "shake" if flash[:alert] %>" style="--panel-size: 55ch;">
-  <h1 class="txt-xx-large margin-block-end-double">Fizzy</h1>
-
-  <%= form_with url: session_path, class: "flex flex-column gap txt-large" do |form| %>
-    <div class="flex align-center gap">
-      <label class="flex align-center gap input input--actor">
-        <%= form.email_field :email_address, required: true, class: "input full-width", autofocus: true, autocomplete: "username", placeholder: "Enter your email address" %>
-        <%= icon_tag "email", class: "txt-large" %>
-      </label>
-    </div>
-
-    <div class="flex align-center gap">
-      <label class="flex align-center gap input input--actor">
-        <%= form.password_field :password, required: true, class: "input full-width", autocomplete: "current-password", placeholder: "Enter your password", maxlength: 72 %>
-        <%= icon_tag "password", class: "txt-large" %>
-      </label>
-    </div>
-
-    <button type="submit" id="log_in" class="btn btn--reversed center">
-      <%= icon_tag "arrow-right" %>
-      <span class="for-screen-reader">Sign in</span>
-    </button>
-  <% end %>
-</div>
-
-<% content_for :footer do %>
-  <div class="txt-align-center center margin-block-double txt-subtle">Fizzy&trade; version 0</div>
-<% end %>
diff --git a/app/views/users/new.html.erb b/app/views/users/new.html.erb
index 847782db8..2111155d6 100644
--- a/app/views/users/new.html.erb
+++ b/app/views/users/new.html.erb
@@ -2,7 +2,7 @@
 
 <% content_for :header do %>
   <nav>
-    <%= link_to new_session_path, class: "btn flex-item-justify-end", data: { controller: "hotkey", action: "keydown.esc@document->hotkey#click" } do %>
+    <%= link_to Launchpad.login_url(account: Current.account), class: "btn flex-item-justify-end", data: { controller: "hotkey", action: "keydown.esc@document->hotkey#click" } do %>
       <span class="for-screen-reader">Sign in instead</span>
     <% end %>
   </nav>
diff --git a/app/views/users/show.html.erb b/app/views/users/show.html.erb
index d7825ad91..50e905996 100644
--- a/app/views/users/show.html.erb
+++ b/app/views/users/show.html.erb
@@ -43,7 +43,7 @@
   </div>
 
   <div class="panel borderless center margin-block-double">
-    <%= button_to session_path, method: :delete, class: "btn center txt-medium" do %>
+    <%= button_to session_path, method: :delete, class: "btn center txt-medium", data: { turbo: false } do %>
       <%= icon_tag "logout" %>
       <span>Sign out</span>
     <% end %>
diff --git a/config/initializers/signal_id.rb b/config/initializers/signal_id.rb
index afb6ff60c..b356ef881 100644
--- a/config/initializers/signal_id.rb
+++ b/config/initializers/signal_id.rb
@@ -1,18 +1,11 @@
 require "signal_id"
 
-Rails.application.config.x.local_authentication = ENV["LOCAL_AUTHENTICATION"].present?
-
 ENV["SIGNAL_ID_SECRET"] = Rails.application.credentials.signal_id_secret
 
 Rails.application.config.to_prepare do
   SignalId.product = "fizzy"
 
   db_config = SignalId::Database.default_configuration
-  if Rails.application.config.x.local_authentication
-    db_config.each do |name, config|
-      config["connect_timeout"] = 1
-    end
-  end
   SignalId::Database.load_configuration db_config
   SignalId::Database.enable_rw_splitting!
 
diff --git a/config/routes.rb b/config/routes.rb
index df5d8ad7c..27fdf59a6 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -84,11 +84,11 @@ Rails.application.routes.draw do
   get "join/:join_code", to: "users#new", as: :join
   post "join/:join_code", to: "users#create"
 
-  resource :session do
+  resource :session, only: :destroy do
     scope module: "sessions" do
       resources :transfers, only: %i[ show update ]
+      resource :launchpad, only: %i[ show update ], controller: "launchpad"
     end
-    resource :launchpad, only: %i[ show update ], controller: "sessions/launchpad"
   end
 
   namespace :signup do
diff --git a/db/migrate/20250702154620_remove_password_from_users.rb b/db/migrate/20250702154620_remove_password_from_users.rb
new file mode 100644
index 000000000..75173ad1a
--- /dev/null
+++ b/db/migrate/20250702154620_remove_password_from_users.rb
@@ -0,0 +1,5 @@
+class RemovePasswordFromUsers < ActiveRecord::Migration[8.1]
+  def change
+    remove_column :users, :password, :string
+  end
+end
diff --git a/db/migrate/20250702160230_add_not_null_to_accounts_queenbee_id.rb b/db/migrate/20250702160230_add_not_null_to_accounts_queenbee_id.rb
new file mode 100644
index 000000000..9698302bf
--- /dev/null
+++ b/db/migrate/20250702160230_add_not_null_to_accounts_queenbee_id.rb
@@ -0,0 +1,5 @@
+class AddNotNullToAccountsQueenbeeId < ActiveRecord::Migration[8.1]
+  def change
+    change_column_null :accounts, :queenbee_id, false
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 3c4b155e6..4ab5a7e92 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.1].define(version: 2025_06_25_111932) do
+ActiveRecord::Schema[8.1].define(version: 2025_07_02_160230) do
   create_table "accesses", force: :cascade do |t|
     t.datetime "accessed_at"
     t.integer "collection_id", null: false
@@ -28,7 +28,7 @@ ActiveRecord::Schema[8.1].define(version: 2025_06_25_111932) do
     t.datetime "created_at", null: false
     t.string "join_code"
     t.string "name", null: false
-    t.integer "queenbee_id"
+    t.integer "queenbee_id", null: false
     t.datetime "updated_at", null: false
     t.index ["queenbee_id"], name: "index_accounts_on_queenbee_id", unique: true
   end
diff --git a/db/schema_cache.yml b/db/schema_cache.yml
index 8aab5a0d5..701462046 100644
--- a/db/schema_cache.yml
+++ b/db/schema_cache.yml
@@ -128,7 +128,7 @@ columns:
     name: queenbee_id
     cast_type: *3
     sql_type_metadata: *4
-    'null': true
+    'null': false
     default:
     default_function:
     collation:
@@ -2391,4 +2391,4 @@ indexes:
     comment:
     valid: true
   workflows: []
-version: 20250625111932
+version: 20250702160230
diff --git a/test/controllers/sessions/launchpad_controller_test.rb b/test/controllers/sessions/launchpad_controller_test.rb
index 2ab50b2a0..c67ac8ee2 100644
--- a/test/controllers/sessions/launchpad_controller_test.rb
+++ b/test/controllers/sessions/launchpad_controller_test.rb
@@ -6,14 +6,16 @@ class Sessions::LaunchpadControllerTest < ActionDispatch::IntegrationTest
 
     assert_response :success
 
-    assert_equal cookies[:_fizzy_launchpad_sig], "test-sig"
+    assert_select "form input#sig" do |node|
+      assert_equal node.length, 1
+      assert_equal node.first["value"], "test-sig"
+    end
   end
 
   test "create establishes a session when the sig is valid" do
     user = users(:david)
-    cookies[:_fizzy_launchpad_sig] = user.signal_user.perishable_signature
 
-    put session_launchpad_path
+    put session_launchpad_path(params: { sig: user.signal_user.perishable_signature })
 
     assert_redirected_to root_url
     assert parsed_cookies.signed[:session_token]
@@ -21,9 +23,8 @@ class Sessions::LaunchpadControllerTest < ActionDispatch::IntegrationTest
 
   test "returns 401 when the sig is invalid" do
     user = users(:david)
-    cookies[:sig] = "not-valid"
 
-    put session_launchpad_path
+    put session_launchpad_path(params: { sig: "invalid" })
 
     assert_response :unauthorized
   end
diff --git a/test/controllers/sessions_controller_test.rb b/test/controllers/sessions_controller_test.rb
index 1cf460c6c..35a6b0385 100644
--- a/test/controllers/sessions_controller_test.rb
+++ b/test/controllers/sessions_controller_test.rb
@@ -1,38 +1,10 @@
 require "test_helper"
 
 class SessionsControllerTest < ActionDispatch::IntegrationTest
-  ALLOWED_BROWSER    = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.2 Safari/605.1.15"
-  DISALLOWED_BROWSER = "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/114.0"
-
-  test "new" do
-    get new_session_path
-    assert_response :success
-  end
-
-  test "new enforces browser compatibility" do
-    get new_session_path, env: { "HTTP_USER_AGENT" => DISALLOWED_BROWSER }
-    assert_select "svg", message: /Your browser is not supported/
-
-    get new_session_path, env: { "HTTP_USER_AGENT" => ALLOWED_BROWSER }
-    assert_select "svg", text: /Your browser is not supported/, count: 0
-  end
-
-  test "create with valid credentials" do
-    post session_path, params: { email_address: "david@37signals.com", password: "secret123456" }
-    assert_redirected_to root_path
-    assert cookies[:session_token].present?
-  end
-
-  test "create with invalid credentials" do
-    post session_path, params: { email_address: "david@37signals.com", password: "wrong" }
-    assert_redirected_to new_session_path
-    assert_not cookies[:session_token].present?
-  end
-
   test "destroy" do
     sign_in_as :kevin
     delete session_path
-    assert_redirected_to new_session_path
+    assert_redirected_to Launchpad.login_url
     assert_not cookies[:session_token].present?
   end
 end
diff --git a/test/test_helpers/session_test_helper.rb b/test/test_helpers/session_test_helper.rb
index 5e4f7eaf0..f4bb6aa45 100644
--- a/test/test_helpers/session_test_helper.rb
+++ b/test/test_helpers/session_test_helper.rb
@@ -6,7 +6,7 @@ module SessionTestHelper
   def sign_in_as(user)
     cookies[:session_token] = nil
     user = users(user) unless user.is_a? User
-    post session_path, params: { email_address: user.email_address, password: "secret123456" }
+    put session_launchpad_path, params: { sig: user.signal_user.perishable_signature }
     assert cookies[:session_token].present?
   end