diff --git a/app/logical/cloudflare_service.rb b/app/logical/cloudflare_service.rb
index ed8ca6241..48dffcc9f 100644
--- a/app/logical/cloudflare_service.rb
+++ b/app/logical/cloudflare_service.rb
@@ -18,7 +18,7 @@ class CloudflareService
       "X-Auth-Email" => email,
       "X-Auth-Key" => key,
       "Content-Type" => "application/json",
-      "User-Agent" => "#{Danbooru.config.app_name}/#{Danbooru.config.version}"
+      "User-Agent" => "#{Danbooru.config.app_name}/#{Rails.application.config.x.git_hash}"
     })
   end
 
diff --git a/config/danbooru_default_config.rb b/config/danbooru_default_config.rb
index 24b59af43..1820c7050 100644
--- a/config/danbooru_default_config.rb
+++ b/config/danbooru_default_config.rb
@@ -1,12 +1,5 @@
-require 'socket'
-
 module Danbooru
   class Configuration
-    # The version of this Danbooru.
-    def version
-      "2.105.0"
-    end
-
     # The name of this Danbooru.
     def app_name
       if CurrentUser.safe_mode?
@@ -20,10 +13,6 @@ module Danbooru
       "Find good anime art fast"
     end
 
-    def domain
-      "donmai.us"
-    end
-
     # The canonical hostname of the site.
     def hostname
       Socket.gethostname
@@ -52,10 +41,6 @@ module Danbooru
       ForumTopic.where(title: "Upload Feedback Thread").first
     end
 
-    def upgrade_account_email
-      contact_email
-    end
-
     def source_code_url
       "https://github.com/r888888888/danbooru"
     end
@@ -64,24 +49,10 @@ module Danbooru
       "#{source_code_url}/commit/#{hash}"
     end
 
-    def releases_url
-      "#{source_code_url}/releases"
-    end
-
     def issues_url
       "#{source_code_url}/issues"
     end
 
-    # Stripped of any special characters.
-    def safe_app_name
-      app_name.gsub(/[^a-zA-Z0-9_-]/, "_")
-    end
-
-    # The default name to use for anyone who isn't logged in.
-    def default_guest_name
-      "Anonymous"
-    end
-
     # This is a salt used to make dictionary attacks on account passwords harder.
     def password_salt
       "choujin-steiner"
@@ -103,13 +74,6 @@ module Danbooru
       true
     end
 
-    # What method to use to store images.
-    # local_flat: Store every image in one directory.
-    # local_hierarchy: Store every image in a hierarchical directory, based on the post's MD5 hash. On some file systems this may be faster.
-    def image_store
-      :local_flat
-    end
-
     # Thumbnail size
     def small_image_width
       150
@@ -144,11 +108,6 @@ module Danbooru
       100
     end
 
-    # Determines who can see ads.
-    def can_see_ads?(user)
-      !user.is_gold?
-    end
-
     # Users cannot search for more than X regular tags at a time.
     def base_tag_query_limit
       6
@@ -469,14 +428,6 @@ module Danbooru
       nil
     end
 
-    def tinami_login
-      nil
-    end
-
-    def tinami_password
-      nil
-    end
-
     def nico_seiga_login
       nil
     end
@@ -485,14 +436,6 @@ module Danbooru
       nil
     end
 
-    def pixa_login
-      nil
-    end
-
-    def pixa_password
-      nil
-    end
-
     def nijie_login
       nil
     end
@@ -564,7 +507,7 @@ module Danbooru
     # services will fail if you don't set a valid User-Agent.
     def http_headers
       {
-        "User-Agent" => "#{Danbooru.config.safe_app_name}/#{Danbooru.config.version}",
+        "User-Agent" => "#{Danbooru.config.app_name}/#{Rails.application.config.x.git_hash}",
       }
     end
 
@@ -625,11 +568,6 @@ module Danbooru
     def addthis_key
     end
 
-    # enable s3-nginx proxy caching
-    def use_s3_proxy?(post)
-      false
-    end
-
     # include essential tags in image urls (requires nginx/apache rewrites)
     def enable_seo_post_urls
       false
@@ -709,9 +647,6 @@ module Danbooru
       false
     end
 
-    def aws_sqs_saved_search_url
-    end
-
     def aws_sqs_reltagcalc_url
     end
 
@@ -727,15 +662,6 @@ module Danbooru
     def aws_sqs_archives_url
     end
 
-    def ccs_server
-    end
-
-    def ccs_key
-    end
-
-    def aws_sqs_cropper_url
-    end
-
     # Use a recaptcha on the signup page to protect against spambots creating new accounts.
     # https://developers.google.com/recaptcha/intro
     def enable_recaptcha?