diff --git a/lib/vagrant-zones/command/console.rb b/lib/vagrant-zones/command/console.rb
index 1cf475d..4572d8e 100644
--- a/lib/vagrant-zones/command/console.rb
+++ b/lib/vagrant-zones/command/console.rb
@@ -49,7 +49,7 @@ def help
             # Add the available subcommands as separators in order to print them
             # out as well.
             keys = []
-            @subcommands.each { |key, _value| keys << key.to_s }
+            @subcommands.each_key { |key| keys << key.to_s }
             keys.sort.each do |key|
               subopts.separator "     #{key}"
             end
diff --git a/lib/vagrant-zones/command/guest_power_controls.rb b/lib/vagrant-zones/command/guest_power_controls.rb
index b08f91d..701caa7 100644
--- a/lib/vagrant-zones/command/guest_power_controls.rb
+++ b/lib/vagrant-zones/command/guest_power_controls.rb
@@ -43,7 +43,7 @@ def help
             # Add the available subcommands as separators in order to print them
             # out as well.
             keys = []
-            @subcommands.each { |key, _value| keys << key.to_s }
+            @subcommands.each_key { |key| keys << key.to_s }
             keys.sort.each do |key|
               subopts.separator "     #{key}"
             end
diff --git a/lib/vagrant-zones/command/zfssnapshot.rb b/lib/vagrant-zones/command/zfssnapshot.rb
index 6d19688..e2f3ffb 100644
--- a/lib/vagrant-zones/command/zfssnapshot.rb
+++ b/lib/vagrant-zones/command/zfssnapshot.rb
@@ -52,7 +52,7 @@ def help
             # Add the available subcommands as separators in order to print them
             # out as well.
             keys = []
-            @subcommands.each { |key, _value| keys << key.to_s }
+            @subcommands.each_key { |key| keys << key.to_s }
             keys.sort.each do |key|
               subopts.separator "     #{key}"
             end
diff --git a/lib/vagrant-zones/command/zone.rb b/lib/vagrant-zones/command/zone.rb
index b49457f..5bc2062 100644
--- a/lib/vagrant-zones/command/zone.rb
+++ b/lib/vagrant-zones/command/zone.rb
@@ -55,7 +55,7 @@ def help
             # Add the available subcommands as separators in order to print them
             # out as well.
             keys = []
-            @subcommands.each { |key, _value| keys << key.to_s }
+            @subcommands.each_key { |key| keys << key.to_s }
 
             keys.sort.each do |key|
               subopts.separator "     #{key}"
diff --git a/lib/vagrant-zones/driver.rb b/lib/vagrant-zones/driver.rb
index d169986..d837d22 100644
--- a/lib/vagrant-zones/driver.rb
+++ b/lib/vagrant-zones/driver.rb
@@ -266,7 +266,7 @@ def get_ip_address(_uii)
         alcheck = 'login:' if config.alcheck.nil?
         pcheck = 'Password:'
 
-        @machine.config.vm.networks.each do |_adaptertype, opts|
+        @machine.config.vm.networks.each_value do |opts|
           ip = nil
           if opts[:dhcp4] && opts[:managed]
             vnic_name = "vnic#{nictype(opts)}#{vtype(config)}_#{config.partition_id}_#{opts[:nic_number]}"
@@ -526,7 +526,6 @@ def zonenicnatsetup_netplan(uii, opts, mac)
         uii.info("  #{vnic_name}")
         netplan1 = %(network:\n  version: 2\n  ethernets:\n    #{vnic_name}:\n      match:\n        macaddress: #{mac}\n)
         netplan2 = %(      dhcp-identifier: mac\n      dhcp4: #{opts[:dhcp4]}\n      dhcp6: #{opts[:dhcp6]}\n)
-        #netplan3 = %(      set-name: #{vnic_name}\n      addresses: [#{ip}/#{shrtsubnet}]\n      gateway4: #{defrouter}\n)
         netplan3 = %(      set-name: #{vnic_name}\n      addresses: [#{ip}/#{shrtsubnet}]\n      routes:\n        - to: default\n          via: #{defrouter}\n)
         netplan4 = %(      nameservers:\n        addresses: [#{servers}] )  unless opts[:dns].nil?
         netplan = netplan1 + netplan2 + netplan3 + netplan4
@@ -1629,7 +1628,7 @@ def zfssnapcronlist(uii, disk, opts, cronjobs)
         # name = @machine.name
         uii.info(I18n.t('vagrant_zones.cron_entries'))
         h = { h: 'hourly', d: 'daily', w: 'weekly', m: 'monthly' }
-        h.each do |_k, d|
+        h.each_value do |d|
           next unless opts[:list] == d || opts[:list] == 'all'
 
           uii.info(cronjobs[d.to_sym]) unless cronjobs[d.to_sym].nil?
@@ -1644,7 +1643,7 @@ def zfssnapcrondelete(uii, disk, opts, cronjobs)
         rmcr = "#{sc} -l | grep -v "
         h = { h: 'hourly', d: 'daily', w: 'weekly', m: 'monthly' }
         uii.info(I18n.t('vagrant_zones.cron_delete'))
-        h.each do |_k, d|
+        h.each_value do |d|
           next unless opts[:delete] == d || opts[:delete] == 'all'
 
           cj = cronjobs[d.to_sym].to_s.gsub('*', '\*')