diff --git a/.idea/dictionaries/project.xml b/.idea/dictionaries/project.xml
deleted file mode 100644
index f77b8be28..000000000
--- a/.idea/dictionaries/project.xml
+++ /dev/null
@@ -1,20 +0,0 @@
-<component name="ProjectDictionaryState">
-  <dictionary name="project">
-    <words>
-      <w>abcdefghijklmnopqrstuvwxyz</w>
-      <w>cdrom</w>
-      <w>cdroms</w>
-      <w>datastore</w>
-      <w>datastores</w>
-      <w>esxi</w>
-      <w>hashicorp</w>
-      <w>mozilla</w>
-      <w>sata</w>
-      <w>scancode</w>
-      <w>vcenter</w>
-      <w>vmware</w>
-      <w>vmxnet</w>
-      <w>vsphere</w>
-    </words>
-  </dictionary>
-</component>
diff --git a/builder/vsphere/clone/builder.go b/builder/vsphere/clone/builder.go
index 48e1681c0..4c33f76aa 100644
--- a/builder/vsphere/clone/builder.go
+++ b/builder/vsphere/clone/builder.go
@@ -12,25 +12,23 @@ import (
 )
 
 type Builder struct {
-	config *Config
+	config Config
 	runner multistep.Runner
 }
 
 func (b *Builder) ConfigSpec() hcldec.ObjectSpec { return b.config.FlatMapstructure().HCL2Spec() }
 
 func (b *Builder) Prepare(raws ...interface{}) ([]string, []string, error) {
-	c, warnings, errs := NewConfig(raws...)
+	warnings, errs := b.config.Prepare()
 	if errs != nil {
 		return warnings, nil, errs
 	}
-	b.config = c
 
 	return warnings, nil, nil
 }
 
 func (b *Builder) Run(ctx context.Context, ui packer.Ui, hook packer.Hook) (packer.Artifact, error) {
 	state := new(multistep.BasicStateBag)
-	state.Put("comm", &b.config.Comm)
 	state.Put("hook", hook)
 	state.Put("ui", ui)
 
diff --git a/builder/vsphere/clone/config.go b/builder/vsphere/clone/config.go
index f03685a82..a473301be 100644
--- a/builder/vsphere/clone/config.go
+++ b/builder/vsphere/clone/config.go
@@ -35,14 +35,13 @@ type Config struct {
 	ctx interpolate.Context
 }
 
-func NewConfig(raws ...interface{}) (*Config, []string, error) {
-	c := new(Config)
+func (c *Config) Prepare(raws ...interface{}) ([]string, error) {
 	err := config.Decode(c, &config.DecodeOpts{
 		Interpolate:        true,
 		InterpolateContext: &c.ctx,
 	}, raws...)
 	if err != nil {
-		return nil, nil, err
+		return nil, err
 	}
 
 	errs := new(packer.MultiError)
@@ -56,8 +55,8 @@ func NewConfig(raws ...interface{}) (*Config, []string, error) {
 	errs = packer.MultiErrorAppend(errs, c.ShutdownConfig.Prepare()...)
 
 	if len(errs.Errors) > 0 {
-		return nil, nil, errs
+		return nil, errs
 	}
 
-	return c, nil, nil
+	return nil, nil
 }
diff --git a/builder/vsphere/iso/builder.go b/builder/vsphere/iso/builder.go
index 7c809a746..5c33d10f6 100644
--- a/builder/vsphere/iso/builder.go
+++ b/builder/vsphere/iso/builder.go
@@ -12,7 +12,7 @@ import (
 )
 
 type Builder struct {
-	config *Config
+	config Config
 	runner multistep.Runner
 }
 
@@ -29,7 +29,6 @@ func (b *Builder) Prepare(raws ...interface{}) ([]string, []string, error) {
 
 func (b *Builder) Run(ctx context.Context, ui packer.Ui, hook packer.Hook) (packer.Artifact, error) {
 	state := new(multistep.BasicStateBag)
-	state.Put("comm", &b.config.Comm)
 	state.Put("hook", hook)
 	state.Put("ui", ui)