diff --git a/plugins/provisioners/salt/provisioner.rb b/plugins/provisioners/salt/provisioner.rb
index 33884f7f3..efa5500df 100644
--- a/plugins/provisioners/salt/provisioner.rb
+++ b/plugins/provisioners/salt/provisioner.rb
@@ -385,7 +385,7 @@ module VagrantPlugins
 
           @machine.env.ui.info "Calling state.highstate... (this may take a while)"
           if @config.install_master
-            unless @config.masterless?
+            unless @config.masterless
               @machine.communicate.sudo("salt '*' saltutil.sync_all")
             end
             options = "#{get_masterless}#{get_loglevel}#{get_colorize}#{get_pillar}#{get_salt_args}"
@@ -397,7 +397,7 @@ module VagrantPlugins
           else
             if @machine.config.vm.communicator == :winrm
               opts = { elevated: true }
-              unless @config.masterless?
+              unless @config.masterless
                 @machine.communicate.execute("C:\\salt\\salt-call.bat saltutil.sync_all", opts)
               end
               # TODO: something equivalent to { error_key: :ssh_bad_exit_status_muted }?
@@ -408,7 +408,7 @@ module VagrantPlugins
                 end
               end
             else
-              unless @config.masterless?
+              unless @config.masterless
                 @machine.communicate.sudo("salt-call saltutil.sync_all")
               end
               options = "#{get_masterless}#{get_loglevel}#{get_colorize}#{get_pillar}#{get_call_args}"
diff --git a/test/unit/plugins/provisioners/salt/provisioner_test.rb b/test/unit/plugins/provisioners/salt/provisioner_test.rb
index ad9d0753e..e6bfece89 100644
--- a/test/unit/plugins/provisioners/salt/provisioner_test.rb
+++ b/test/unit/plugins/provisioners/salt/provisioner_test.rb
@@ -55,7 +55,6 @@ describe VagrantPlugins::Salt::Provisioner do
       it "passes along extra cli flags" do
         allow(config).to receive(:run_highstate).and_return(true)
         allow(config).to receive(:verbose).and_return(true)
-        allow(config).to receive(:masterless?).and_return(false)
         allow(config).to receive(:masterless).and_return(false)
         allow(config).to receive(:minion_id).and_return(nil)
         allow(config).to receive(:log_level).and_return(nil)
@@ -74,7 +73,6 @@ describe VagrantPlugins::Salt::Provisioner do
       it "has no additional cli flags if not included" do
         allow(config).to receive(:run_highstate).and_return(true)
         allow(config).to receive(:verbose).and_return(true)
-        allow(config).to receive(:masterless?).and_return(false)
         allow(config).to receive(:masterless).and_return(false)
         allow(config).to receive(:minion_id).and_return(nil)
         allow(config).to receive(:log_level).and_return(nil)
@@ -95,7 +93,6 @@ describe VagrantPlugins::Salt::Provisioner do
       it "passes along extra cli flags" do
         allow(config).to receive(:run_highstate).and_return(true)
         allow(config).to receive(:verbose).and_return(true)
-        allow(config).to receive(:masterless?).and_return(true)
         allow(config).to receive(:masterless).and_return(true)
         allow(config).to receive(:minion_id).and_return(nil)
         allow(config).to receive(:log_level).and_return(nil)
@@ -115,7 +112,6 @@ describe VagrantPlugins::Salt::Provisioner do
       it "has no additional cli flags if not included" do
         allow(config).to receive(:run_highstate).and_return(true)
         allow(config).to receive(:verbose).and_return(true)
-        allow(config).to receive(:masterless?).and_return(true)
         allow(config).to receive(:masterless).and_return(true)
         allow(config).to receive(:minion_id).and_return(nil)
         allow(config).to receive(:log_level).and_return(nil)