diff --git a/android/sdk.go b/android/sdk.go
index fc0a84e..bd2f5d1 100644
--- a/android/sdk.go
+++ b/android/sdk.go
@@ -232,6 +232,12 @@
 	// relative path) and add the dest to the zip.
 	CopyToSnapshot(src Path, dest string)
 
+	// EmptyFile returns the path to an empty file.
+	//
+	// This can be used by sdk member types that need to create an empty file in the snapshot, simply
+	// pass the value returned from this to the CopyToSnapshot() method.
+	EmptyFile() Path
+
 	// UnzipToSnapshot generates a rule that will unzip the supplied zip into the snapshot relative
 	// directory destDir.
 	UnzipToSnapshot(zipPath Path, destDir string)
@@ -258,14 +264,6 @@
 	// See sdk/update.go for more information.
 	AddPrebuiltModule(member SdkMember, moduleType string) BpModule
 
-	// AddInternalModule creates a new module in the generated Android.bp file that can only be
-	// referenced by one of the other modules in the snapshot.
-	//
-	// The created module's name is constructed by concatenating the name of this member and the
-	// nameSuffix, separated by "-". It also has the visibility property set to "//visibility:private"
-	// to prevent it from being inadvertently accessed from outside the snapshot.
-	AddInternalModule(properties SdkMemberProperties, moduleType string, nameSuffix string) BpModule
-
 	// SdkMemberReferencePropertyTag returns a property tag to use when adding a property to a
 	// BpModule that contains references to other sdk members.
 	//
@@ -924,12 +922,6 @@
 //
 // Contains common properties that apply across many different member types.
 type SdkMemberPropertiesBase struct {
-	// The name of the member.
-	//
-	// Ignore this property during optimization. This is needed because this property is the same for
-	// all variants of a member and so would be optimized away if it was not ignored.
-	MemberName string `sdk:"ignore"`
-
 	// The number of unique os types supported by the member variants.
 	//
 	// If a member has a variant with more than one os type then it will need to differentiate
@@ -953,10 +945,6 @@
 	Compile_multilib string `android:"arch_variant"`
 }
 
-func (b *SdkMemberPropertiesBase) Name() string {
-	return b.MemberName
-}
-
 // OsPrefix returns the os prefix to use for any file paths in the sdk.
 //
 // Is an empty string if the member only provides variants for a single os type, otherwise
@@ -982,8 +970,6 @@
 	// Base returns the base structure.
 	Base() *SdkMemberPropertiesBase
 
-	Name() string
-
 	// PopulateFromVariant populates this structure with information from a module variant.
 	//
 	// It will typically be called once for each variant of a member module that the SDK depends upon.