diff --git a/app/controllers/concerns/localized.rb b/app/controllers/concerns/localized.rb
index bcf3fd0a0..22bb5b21a 100644
--- a/app/controllers/concerns/localized.rb
+++ b/app/controllers/concerns/localized.rb
@@ -26,7 +26,7 @@ module Localized
   end
 
   def default_locale
-    ENV.fetch('DEFAULT_LOCALE') { 
+    ENV.fetch('DEFAULT_LOCALE') {
       http_accept_language.compatible_language_from(I18n.available_locales) || I18n.default_locale
     }
   end
diff --git a/app/helpers/stream_entries_helper.rb b/app/helpers/stream_entries_helper.rb
index 59aac7841..18ef8b909 100644
--- a/app/helpers/stream_entries_helper.rb
+++ b/app/helpers/stream_entries_helper.rb
@@ -2,7 +2,7 @@
 
 module StreamEntriesHelper
   def display_name(account)
-    account.display_name.blank? ? account.username : account.display_name
+    account.display_name.presence || account.username
   end
 
   def stream_link_target
diff --git a/app/lib/atom_serializer.rb b/app/lib/atom_serializer.rb
index 68d2fce68..69e1f153c 100644
--- a/app/lib/atom_serializer.rb
+++ b/app/lib/atom_serializer.rb
@@ -26,8 +26,8 @@ class AtomSerializer
     append_element(author, 'link', nil, rel: :avatar, type: account.avatar_content_type, 'media:width': 120, 'media:height': 120, href: full_asset_url(account.avatar.url(:original)))
     append_element(author, 'link', nil, rel: :header, type: account.header_content_type, 'media:width': 700, 'media:height': 335, href: full_asset_url(account.header.url(:original)))
     append_element(author, 'poco:preferredUsername', account.username)
-    append_element(author, 'poco:displayName', account.display_name) unless account.display_name.blank?
-    append_element(author, 'poco:note', Formatter.instance.simplified_format(account).to_str) unless account.note.blank?
+    append_element(author, 'poco:displayName', account.display_name) if account.display_name?
+    append_element(author, 'poco:note', Formatter.instance.simplified_format(account).to_str) if account.note?
     append_element(author, 'mastodon:scope', account.locked? ? :private : :public)
 
     author
@@ -327,7 +327,7 @@ class AtomSerializer
   end
 
   def serialize_status_attributes(entry, status)
-    append_element(entry, 'summary', status.spoiler_text) unless status.spoiler_text.blank?
+    append_element(entry, 'summary', status.spoiler_text) if status.spoiler_text?
     append_element(entry, 'content', Formatter.instance.format(status.proper).to_str, type: 'html')
 
     status.mentions.each do |mentioned|
diff --git a/app/views/admin/pubsubhubbub/index.html.haml b/app/views/admin/pubsubhubbub/index.html.haml
index 2b8e36e6a..dcbb11c11 100644
--- a/app/views/admin/pubsubhubbub/index.html.haml
+++ b/app/views/admin/pubsubhubbub/index.html.haml
@@ -21,9 +21,9 @@
             %i.fa.fa-check
         %td= distance_of_time_in_words(Time.now, subscription.expires_at)
         %td
-          - if subscription.last_successful_delivery_at.nil?
-            %i.fa.fa-times
-          - else
+          - if subscription.last_successful_delivery_at?
             = l subscription.last_successful_delivery_at
+          - else
+            %i.fa.fa-times
 
 = paginate @subscriptions
diff --git a/app/views/admin/reports/show.html.haml b/app/views/admin/reports/show.html.haml
index 1143c2c2e..ecbb98482 100644
--- a/app/views/admin/reports/show.html.haml
+++ b/app/views/admin/reports/show.html.haml
@@ -12,10 +12,7 @@
 %p
   %strong= t('reports.comment.label')
   \:
-  - if @report.comment.blank?
-    = t('reports.comment.none')
-  - else
-    = @report.comment
+  = @report.comment.presence || t('reports.comment.none')
 
 - unless @statuses.empty?
   %hr/
diff --git a/app/views/authorize_follow/_card.html.haml b/app/views/authorize_follow/_card.html.haml
index eef0bec07..16af9220e 100644
--- a/app/views/authorize_follow/_card.html.haml
+++ b/app/views/authorize_follow/_card.html.haml
@@ -7,5 +7,5 @@
       %strong.emojify= display_name(account)
       %span= "@#{account.acct}"
 
-  - unless account.note.blank?
+  - if account.note?
     .account__header__content.emojify= Formatter.instance.simplified_format(account)
diff --git a/app/views/stream_entries/_detailed_status.html.haml b/app/views/stream_entries/_detailed_status.html.haml
index 5fc6ab42f..c42e6614a 100644
--- a/app/views/stream_entries/_detailed_status.html.haml
+++ b/app/views/stream_entries/_detailed_status.html.haml
@@ -8,11 +8,11 @@
       %span.p-nickname= acct(status.account)
 
   .status__content.e-content.p-name.emojify<
-    - unless status.spoiler_text.blank?
+    - if status.spoiler_text?
       %p{ style: 'margin-bottom: 0' }<
         %span>= "#{status.spoiler_text} "
         %a.status__content__spoiler-link{ href: '#' }= t('statuses.show_more')
-    %div{ style: "display: #{status.spoiler_text.blank? ? 'block' : 'none'}; direction: #{rtl?(status.content) ? 'rtl' : 'ltr'}" }= Formatter.instance.format(status)
+    %div{ style: "display: #{status.spoiler_text? ? 'none' : 'block'}; direction: #{rtl?(status.content) ? 'rtl' : 'ltr'}" }= Formatter.instance.format(status)
 
   - unless status.media_attachments.empty?
     - if status.media_attachments.first.video?
diff --git a/app/views/stream_entries/_simple_status.html.haml b/app/views/stream_entries/_simple_status.html.haml
index 5b6069e33..a758d5ccd 100644
--- a/app/views/stream_entries/_simple_status.html.haml
+++ b/app/views/stream_entries/_simple_status.html.haml
@@ -13,11 +13,11 @@
         %span.p-nickname= acct(status.account)
 
   .status__content.e-content.p-name.emojify<
-    - unless status.spoiler_text.blank?
+    - if status.spoiler_text?
       %p{ style: 'margin-bottom: 0' }<
         %span>= "#{status.spoiler_text} "
         %a.status__content__spoiler-link{ href: '#' }= t('statuses.show_more')
-    %div{ style: "display: #{status.spoiler_text.blank? ? 'block' : 'none'}; direction: #{rtl?(status.content) ? 'rtl' : 'ltr'}" }= Formatter.instance.format(status)
+    %div{ style: "display: #{status.spoiler_text? ? 'none' : 'block'}; direction: #{rtl?(status.content) ? 'rtl' : 'ltr'}" }= Formatter.instance.format(status)
 
   - unless status.media_attachments.empty?
     .status__attachments
diff --git a/app/workers/pubsubhubbub/delivery_worker.rb b/app/workers/pubsubhubbub/delivery_worker.rb
index 8412be4b7..b440f7986 100644
--- a/app/workers/pubsubhubbub/delivery_worker.rb
+++ b/app/workers/pubsubhubbub/delivery_worker.rb
@@ -19,7 +19,7 @@ class Pubsubhubbub::DeliveryWorker
 
     headers['User-Agent']      = 'Mastodon/PubSubHubbub'
     headers['Link']            = LinkHeader.new([[api_push_url, [%w(rel hub)]], [account_url(subscription.account, format: :atom), [%w(rel self)]]]).to_s
-    headers['X-Hub-Signature'] = signature(subscription.secret, payload) unless subscription.secret.blank?
+    headers['X-Hub-Signature'] = signature(subscription.secret, payload) if subscription.secret?
 
     response = HTTP.timeout(:per_operation, write: 50, connect: 20, read: 50)
                    .headers(headers)
diff --git a/config/initializers/blacklists.rb b/config/initializers/blacklists.rb
index 6db7be7dc..020d84f56 100644
--- a/config/initializers/blacklists.rb
+++ b/config/initializers/blacklists.rb
@@ -2,5 +2,5 @@
 
 Rails.application.configure do
   config.x.email_domains_blacklist = ENV.fetch('EMAIL_DOMAIN_BLACKLIST') { 'mvrht.com' }
-  config.x.email_domains_whitelist = ENV.fetch('EMAIL_DOMAIN_WHITELIST') { '' }  
+  config.x.email_domains_whitelist = ENV.fetch('EMAIL_DOMAIN_WHITELIST') { '' }
 end