diff --git a/itchef/cookbooks/cpe_adobe_flash/resources/configure_adobe_flash_darwin.rb b/itchef/cookbooks/cpe_adobe_flash/resources/configure_adobe_flash_darwin.rb
index c7afb8d1..04425a79 100644
--- a/itchef/cookbooks/cpe_adobe_flash/resources/configure_adobe_flash_darwin.rb
+++ b/itchef/cookbooks/cpe_adobe_flash/resources/configure_adobe_flash_darwin.rb
@@ -27,7 +27,7 @@ def config_dir
   def configure
     return unless node['cpe_adobe_flash']['configure']
 
-    configs = node['cpe_adobe_flash']['configs'].reject { |_k, v| v.nil? }
+    configs = node['cpe_adobe_flash']['configs'].compact
     # Until adobe removes this problematic naming convention,
     # we still have to use it.
     {
@@ -47,14 +47,14 @@ def configure
       not_if { configs.empty? }
       owner 'root'
       group 'admin'
-      mode 0755
+      mode '0755'
       action :create
     end
     template ::File.join(config_dir, 'mms.cfg') do # ~ FB016
       source 'cpe_adobe_flash.erb'
       owner 'root'
       group 'admin'
-      mode 0644
+      mode '0644'
       action configs.empty? ? :delete : :create
       notifies :restart, 'launchd[com.adobe.fpsaud]'
     end
diff --git a/itchef/cookbooks/cpe_adobe_flash/resources/configure_adobe_flash_windows.rb b/itchef/cookbooks/cpe_adobe_flash/resources/configure_adobe_flash_windows.rb
index 4b402d52..c8a0d59d 100644
--- a/itchef/cookbooks/cpe_adobe_flash/resources/configure_adobe_flash_windows.rb
+++ b/itchef/cookbooks/cpe_adobe_flash/resources/configure_adobe_flash_windows.rb
@@ -23,7 +23,7 @@
   def configure
     return unless node['cpe_adobe_flash']['configure']
 
-    configs = node['cpe_adobe_flash']['configs'].reject { |_k, v| v.nil? }
+    configs = node['cpe_adobe_flash']['configs'].compact
     node.default['cpe_adobe_flash']['_applied_configs'] = configs
 
     template ::File.join(config_dir, 'mms.cfg') do # ~FB031
diff --git a/itchef/cookbooks/cpe_bluetooth/resources/cpe_bluetooth.rb b/itchef/cookbooks/cpe_bluetooth/resources/cpe_bluetooth.rb
index 830e4b60..14a5acaf 100644
--- a/itchef/cookbooks/cpe_bluetooth/resources/cpe_bluetooth.rb
+++ b/itchef/cookbooks/cpe_bluetooth/resources/cpe_bluetooth.rb
@@ -20,14 +20,14 @@
 default_action :config
 
 action :config do
-  prefs = node['cpe_bluetooth'].reject { |_k, v| v.nil? }
+  prefs = node['cpe_bluetooth'].compact
   if prefs.empty?
     Chef::Log.info("#{cookbook_name}: No prefs found.")
     return
   end
 
   prefix = node['cpe_profiles']['prefix']
-  organization = node['organization'] ? node['organization'] : 'Facebook'
+  organization = node['organization'] ? node['organization'] : 'Facebook' # rubocop:disable Style/RedundantCondition
 
   profile = {
     'PayloadIdentifier' => "#{prefix}.bluetooth",
diff --git a/itchef/cookbooks/cpe_chrome/resources/cpe_chrome_posix.rb b/itchef/cookbooks/cpe_chrome/resources/cpe_chrome_posix.rb
index f043bbdd..703d5d47 100755
--- a/itchef/cookbooks/cpe_chrome/resources/cpe_chrome_posix.rb
+++ b/itchef/cookbooks/cpe_chrome/resources/cpe_chrome_posix.rb
@@ -26,7 +26,7 @@
   manage_chrome_extensions
 end
 
-action_class do
+action_class do # rubocop:disable Metrics/BlockLength
   def install_repos
     return unless node.linux?
     return unless node['cpe_chrome']['manage_repo']
@@ -69,7 +69,7 @@ def manage_chrome
       !node.installed?('com.google.Chrome')
     if node['cpe_chrome']['mp']['UseMasterPreferencesFile']
       mprefs =
-        node['cpe_chrome']['mp']['FileContents'].reject { |_k, v| v.nil? }
+        node['cpe_chrome']['mp']['FileContents'].compact
     else
       mprefs = {}
     end
@@ -142,7 +142,7 @@ def manage_chrome_linux(mprefs, prefs)
 
   def manage_chrome_macos(mprefs, prefs)
     prefix = node['cpe_profiles']['prefix']
-    organization = node['organization'] ? node['organization'] : 'Facebook'
+    organization = node['organization'] ? node['organization'] : 'Facebook' # rubocop:disable Style/RedundantCondition
     chrome_profile = {
       'PayloadIdentifier' => "#{prefix}.browsers.chrome",
       'PayloadRemovalDisallowed' => true,
@@ -170,7 +170,7 @@ def manage_chrome_macos(mprefs, prefs)
     # Check for Chrome Canary
     if node.installed?('com.google.Chrome.canary')
       prefix = node['cpe_profiles']['prefix']
-      organization = node['organization'] ? node['organization'] : 'Facebook'
+      organization = node['organization'] ? node['organization'] : 'Facebook' # rubocop:disable Style/RedundantCondition
       canary_profile = {
         'PayloadIdentifier' => "#{prefix}.browsers.chromecanary",
         'PayloadRemovalDisallowed' => true,
@@ -224,7 +224,7 @@ def manage_chrome_macos(mprefs, prefs)
   def manage_chrome_extensions_macos(extprefs)
     return if extprefs.empty?
     prefix = node['cpe_profiles']['prefix']
-    organization = node['organization'] ? node['organization'] : 'Facebook'
+    organization = node['organization'] ? node['organization'] : 'Facebook' # rubocop:disable Style/RedundantCondition
     extprefs.each do |k, v|
       chrome_ext_profile = {
         'PayloadIdentifier' => "#{prefix}.browsers.chrome.extension.#{k}",
@@ -238,7 +238,7 @@ def manage_chrome_extensions_macos(extprefs)
         'PayloadContent' => [{
           'PayloadType' => "com.google.Chrome.extensions.#{k}",
           'PayloadVersion' => 1,
-          'PayloadIdentifier' => "#{prefix}.browsers.chrome.extension.settings.#{k}",
+          'PayloadIdentifier' => "#{prefix}.browsers.chrome.extension.settings.#{k}", # rubocop:disable Layout/LineLength
           'PayloadUUID' => v['payload_uuid'],
           'PayloadEnabled' => true,
           'PayloadDisplayName' => "Chrome Extension (#{v['display_name']})",
@@ -247,16 +247,17 @@ def manage_chrome_extensions_macos(extprefs)
       v['profile'].each do |k_ext, v_ext|
         chrome_ext_profile['PayloadContent'][0][k_ext] = v_ext['value']
       end
-      node.default['cpe_profiles']["#{prefix}.browsers.chrome.extension.#{k}"] = chrome_ext_profile
+      node.default['cpe_profiles']["#{prefix}.browsers.chrome.extension.#{k}"] =
+        chrome_ext_profile
     end
 
     # Check for Chrome Canary
     if node.installed?('com.google.Chrome.canary')
       prefix = node['cpe_profiles']['prefix']
-      organization = node['organization'] ? node['organization'] : 'Facebook'
+      organization = node['organization'] ? node['organization'] : 'Facebook' # rubocop:disable Style/RedundantCondition
       extprefs.each do |k, v|
         canary_ext_profile = {
-          'PayloadIdentifier' => "#{prefix}.browsers.chromecanary.extension.#{k}",
+          'PayloadIdentifier' => "#{prefix}.browsers.chromecanary.extension.#{k}", # rubocop:disable Layout/LineLength
           'PayloadRemovalDisallowed' => true,
           'PayloadScope' => 'System',
           'PayloadType' => 'Configuration',
@@ -267,16 +268,16 @@ def manage_chrome_extensions_macos(extprefs)
           'PayloadContent' => [{
             'PayloadType' => "com.google.Chrome.canary.extensions.#{k}",
             'PayloadVersion' => 1,
-            'PayloadIdentifier' => "#{prefix}.browsers.chromecanary.extension.settings.#{k}",
+            'PayloadIdentifier' => "#{prefix}.browsers.chromecanary.extension.settings.#{k}", # rubocop:disable Layout/LineLength
             'PayloadUUID' => v['payload_uuid'],
             'PayloadEnabled' => true,
-            'PayloadDisplayName' => "Chrome Canary Extension (#{v['display_name']})",
+            'PayloadDisplayName' => "Chrome Canary Extension (#{v['display_name']})", # rubocop:disable Layout/LineLength
           }],
         }
         v['profile'].each do |k_ext, v_ext|
           canary_ext_profile['PayloadContent'][0][k_ext] = v_ext['value']
         end
-        node.default['cpe_profiles']["#{prefix}.browsers.chromecanary.extension.#{k}"] = canary_ext_profile
+        node.default['cpe_profiles']["#{prefix}.browsers.chromecanary.extension.#{k}"] = canary_ext_profile # rubocop:disable Layout/LineLength
       end
     end
   end
@@ -318,6 +319,7 @@ def migrate_chromium_settings_linux
         ::File.directory?('/etc/chromium') &&
         !::File.symlink?('/etc/chromium')
       end
+      # rubocop:disable Naming/HeredocDelimiterNaming
       code <<-EOH
         find /etc/chromium -type d -exec chmod 0755 {} \\;
         find /etc/chromium -type f -exec chmod 0644 {} \\;
@@ -326,5 +328,6 @@ def migrate_chromium_settings_linux
         rm -rf /etc/chromium
       EOH
     end
+    # rubocop:enable Naming/HeredocDelimiterNaming
   end
 end
diff --git a/itchef/cookbooks/cpe_munki/resources/cpe_munki_config.rb b/itchef/cookbooks/cpe_munki/resources/cpe_munki_config.rb
index f6f06667..767f8e07 100644
--- a/itchef/cookbooks/cpe_munki/resources/cpe_munki_config.rb
+++ b/itchef/cookbooks/cpe_munki/resources/cpe_munki_config.rb
@@ -22,14 +22,14 @@
 action :config do
   return unless node['cpe_munki']['configure']
 
-  munki_prefs = node['cpe_munki']['preferences'].reject { |_k, v| v.nil? }
+  munki_prefs = node['cpe_munki']['preferences'].compact
   if munki_prefs.empty?
     Chef::Log.info("#{cookbook_name}: No prefs found.")
     return
   end
 
   prefix = node['cpe_profiles']['prefix']
-  organization = node['organization'] ? node['organization'] : 'Facebook'
+  organization = node['organization'] ? node['organization'] : 'Facebook' # rubocop:disable Style/RedundantCondition
 
   munki_profile = {
     'PayloadIdentifier' => "#{prefix}.munki",
diff --git a/itchef/cookbooks/cpe_munki/resources/cpe_munki_defaults_config.rb b/itchef/cookbooks/cpe_munki/resources/cpe_munki_defaults_config.rb
index ec7a0caf..9585b497 100644
--- a/itchef/cookbooks/cpe_munki/resources/cpe_munki_defaults_config.rb
+++ b/itchef/cookbooks/cpe_munki/resources/cpe_munki_defaults_config.rb
@@ -22,7 +22,7 @@
   return unless node['cpe_munki']['configure']
 
   munki_prefs = node['cpe_munki'][
-    'defaults_preferences'].reject { |_k, v| v.nil? }
+    'defaults_preferences'].compact
 
   if munki_prefs.empty?
     Chef::Log.info("#{cookbook_name}: No defaults prefs found.")
diff --git a/itchef/cookbooks/cpe_nomad/resources/darwin.rb b/itchef/cookbooks/cpe_nomad/resources/darwin.rb
index 717b482e..a09f1643 100644
--- a/itchef/cookbooks/cpe_nomad/resources/darwin.rb
+++ b/itchef/cookbooks/cpe_nomad/resources/darwin.rb
@@ -74,11 +74,11 @@ def configure_login
 
   def configure_profile
     nomad_prefs =
-      node['cpe_nomad']['prefs'].reject { |_k, v| v.nil? }
+      node['cpe_nomad']['prefs'].compact
     login_prefs =
-      node['cpe_nomad']['login']['prefs'].reject { |_k, v| v.nil? }
+      node['cpe_nomad']['login']['prefs'].compact
     actions_prefs =
-      node['cpe_nomad']['actions']['prefs'].reject { |_k, v| v.nil? }
+      node['cpe_nomad']['actions']['prefs'].compact
     if [
       nomad_prefs,
       login_prefs,
@@ -122,7 +122,7 @@ def configure_profile
     end
 
     prefix = node['cpe_profiles']['prefix']
-    organization = node['organization'] ? node['organization'] : 'Facebook'
+    organization = node['organization'] ? node['organization'] : 'Facebook' # rubocop:disable Style/RedundantCondition
 
     {
       'NoMAD' => nomad_prefs,
@@ -172,7 +172,7 @@ def log_vars(action, status)
   end
 
   def log_if(msg)
-    CPE::Log.if(
+    CPE::Log.if( # rubocop:disable Style/ExplicitBlockArgument
       msg, :type => @type, :action => @action, :status => @status
     ) { yield }
   end
diff --git a/itchef/cookbooks/cpe_powermanagement/resources/cpe_powermanagement.rb b/itchef/cookbooks/cpe_powermanagement/resources/cpe_powermanagement.rb
index ed75a637..12a0e159 100644
--- a/itchef/cookbooks/cpe_powermanagement/resources/cpe_powermanagement.rb
+++ b/itchef/cookbooks/cpe_powermanagement/resources/cpe_powermanagement.rb
@@ -21,7 +21,7 @@
 default_action :config
 
 action :config do
-  pw_prefs = node['cpe_powermanagement'].reject { |_k, v| v.nil? }
+  pw_prefs = node['cpe_powermanagement'].compact
   if pw_prefs.empty?
     Chef::Log.debug("#{cookbook_name}: No prefs found.")
     return
@@ -34,17 +34,17 @@
   ident = "com.apple.EnergySaver.#{machine_type}"
 
   prefix = node['cpe_profiles']['prefix']
-  organization = node['organization'] ? node['organization'] : 'Facebook'
+  organization = node['organization'] ? node['organization'] : 'Facebook' # rubocop:disable Style/RedundantCondition
   energy_profile = {
-    'PayloadIdentifier'        => "#{prefix}.powermanagement",
+    'PayloadIdentifier' => "#{prefix}.powermanagement",
     'PayloadRemovalDisallowed' => true,
-    'PayloadScope'             => 'System',
-    'PayloadType'              => 'Configuration',
-    'PayloadUUID'              => 'd1207590-f93a-0133-92e4-4cc760f34b36',
-    'PayloadOrganization'      => organization,
-    'PayloadVersion'           => 1,
-    'PayloadDisplayName'       => 'Power Management',
-    'PayloadContent'           => [
+    'PayloadScope' => 'System',
+    'PayloadType' => 'Configuration',
+    'PayloadUUID' => 'd1207590-f93a-0133-92e4-4cc760f34b36',
+    'PayloadOrganization' => organization,
+    'PayloadVersion' => 1,
+    'PayloadDisplayName' => 'Power Management',
+    'PayloadContent' => [
       {
         'PayloadType' => 'com.apple.MCX',
         'PayloadVersion' => 1,
@@ -58,13 +58,13 @@
 
   pm_prefs = {
     'ACPower' =>
-      node['cpe_powermanagement']['ACPower'].reject { |_k, v| v.nil? },
+      node['cpe_powermanagement']['ACPower'].compact,
     'Battery' =>
-      node['cpe_powermanagement']['Battery'].reject { |_k, v| v.nil? },
+      node['cpe_powermanagement']['Battery'].compact,
   }
 
   # Apply all settings to the profile - AC and/or Battery
-  pm_prefs.keys.each do |type|
+  pm_prefs.each_key do |type|
     next if pm_prefs[type].empty?
     energy_profile['PayloadContent'][0]["#{ident}.#{type}-ProfileNumber"] = -1
     energy_profile['PayloadContent'][0]["#{ident}.#{type}"] = pm_prefs[type]
diff --git a/itchef/cookbooks/cpe_preferencepanes/resources/default.rb b/itchef/cookbooks/cpe_preferencepanes/resources/default.rb
index 881a46bb..d2ed65dd 100644
--- a/itchef/cookbooks/cpe_preferencepanes/resources/default.rb
+++ b/itchef/cookbooks/cpe_preferencepanes/resources/default.rb
@@ -21,10 +21,10 @@
 
 # rubocop:disable Metrics/BlockLength
 action :config do
-  prefs = node['cpe_preferencepanes'].reject { |_k, v| v.nil? }
+  prefs = node['cpe_preferencepanes'].compact
   return if prefs.empty?
   prefix = node['cpe_profiles']['prefix']
-  organization = node['organization'] ? node['organization'] : 'Facebook'
+  organization = node['organization'] ? node['organization'] : 'Facebook' # rubocop:disable Style/RedundantCondition
   pane_profile = {
     'PayloadIdentifier' => "#{prefix}.prefpanes",
     'PayloadRemovalDisallowed' => true,
diff --git a/itchef/cookbooks/cpe_profiles_local/README.md b/itchef/cookbooks/cpe_profiles_local/README.md
index e2308b98..f8cf039f 100644
--- a/itchef/cookbooks/cpe_profiles_local/README.md
+++ b/itchef/cookbooks/cpe_profiles_local/README.md
@@ -32,7 +32,7 @@ to `node.default['cpe_profiles_local']`
 For instance, add a hash to manage the loginwindow and use the default prefix:
 
 ```
-lw_prefs = node['cpe_loginwindow'].reject { |\_k, v| v.nil? }
+lw_prefs = node['cpe_loginwindow'].compact
 if lw_prefs.empty?
   Chef::Log.debug("#{cookbook_name}: No prefs found.")
   return
@@ -77,7 +77,7 @@ Or, if you want to customize the prefix and then add a profile, you would do:
 # Override the default prefix value of 'com.facebook.chef'
 node.default['cpe_profiles_local']['prefix'] = 'com.company.chef'
 # Use the specified prefix to name the configuration profile
-lw_prefs = node['cpe_loginwindow'].reject { |\_k, v| v.nil? }
+lw_prefs = node['cpe_loginwindow'].compact
 if lw_prefs.empty?
   Chef::Log.debug("#{cookbook_name}: No prefs found.")
   return