diff --git a/sdk/bootclasspath_fragment_sdk_test.go b/sdk/bootclasspath_fragment_sdk_test.go
index 58c1647..1b64130 100644
--- a/sdk/bootclasspath_fragment_sdk_test.go
+++ b/sdk/bootclasspath_fragment_sdk_test.go
@@ -169,15 +169,7 @@
     prefer: false,
     visibility: ["//visibility:public"],
     apex_available: ["com.android.art"],
-    jars: [":mysdk_core1-error"],
-}
-
-genrule {
-    name: "mysdk_core1-error",
-    visibility: ["//visibility:private"],
-    out: ["this-file-will-never-be-created.jar"],
-    tool_files: ["scripts/invalid_implementation_jar.sh"],
-    cmd: "$(location scripts/invalid_implementation_jar.sh) core1",
+    jars: ["java_boot_libs/snapshot/jars/are/invalid/core1.jar"],
 }
 
 java_import {
@@ -185,15 +177,7 @@
     prefer: false,
     visibility: ["//visibility:public"],
     apex_available: ["com.android.art"],
-    jars: [":mysdk_core2-error"],
-}
-
-genrule {
-    name: "mysdk_core2-error",
-    visibility: ["//visibility:private"],
-    out: ["this-file-will-never-be-created.jar"],
-    tool_files: ["scripts/invalid_implementation_jar.sh"],
-    cmd: "$(location scripts/invalid_implementation_jar.sh) core2",
+    jars: ["java_boot_libs/snapshot/jars/are/invalid/core2.jar"],
 }
 `),
 		checkAllCopyRules(`
@@ -203,7 +187,8 @@
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/signature-patterns.csv -> hiddenapi/signature-patterns.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/filtered-stub-flags.csv -> hiddenapi/filtered-stub-flags.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/filtered-flags.csv -> hiddenapi/filtered-flags.csv
-build/soong/java/invalid_implementation_jar.sh -> scripts/invalid_implementation_jar.sh
+.intermediates/mysdk/common_os/empty -> java_boot_libs/snapshot/jars/are/invalid/core1.jar
+.intermediates/mysdk/common_os/empty -> java_boot_libs/snapshot/jars/are/invalid/core2.jar
 		`),
 		snapshotTestPreparer(checkSnapshotWithoutSource, preparerForSnapshot),
 
@@ -372,18 +357,10 @@
     prefer: false,
     visibility: ["//visibility:public"],
     apex_available: ["myapex"],
-    jars: [":mysdk_mybootlib-error"],
+    jars: ["java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar"],
     permitted_packages: ["mybootlib"],
 }
 
-genrule {
-    name: "mysdk_mybootlib-error",
-    visibility: ["//visibility:private"],
-    out: ["this-file-will-never-be-created.jar"],
-    tool_files: ["scripts/invalid_implementation_jar.sh"],
-    cmd: "$(location scripts/invalid_implementation_jar.sh) mybootlib",
-}
-
 java_sdk_library_import {
     name: "myothersdklibrary",
     prefer: false,
@@ -490,7 +467,7 @@
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/signature-patterns.csv -> hiddenapi/signature-patterns.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/filtered-stub-flags.csv -> hiddenapi/filtered-stub-flags.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/filtered-flags.csv -> hiddenapi/filtered-flags.csv
-build/soong/java/invalid_implementation_jar.sh -> scripts/invalid_implementation_jar.sh
+.intermediates/mysdk/common_os/empty -> java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar
 .intermediates/myothersdklibrary.stubs/android_common/javac/myothersdklibrary.stubs.jar -> sdk_library/public/myothersdklibrary-stubs.jar
 .intermediates/myothersdklibrary.stubs.source/android_common/metalava/myothersdklibrary.stubs.source_api.txt -> sdk_library/public/myothersdklibrary.txt
 .intermediates/myothersdklibrary.stubs.source/android_common/metalava/myothersdklibrary.stubs.source_removed.txt -> sdk_library/public/myothersdklibrary-removed.txt
@@ -510,7 +487,7 @@
 .intermediates/mybootclasspathfragment/android_common_myapex/modular-hiddenapi/signature-patterns.csv -> hiddenapi/signature-patterns.csv
 .intermediates/mybootclasspathfragment/android_common_myapex/modular-hiddenapi/filtered-stub-flags.csv -> hiddenapi/filtered-stub-flags.csv
 .intermediates/mybootclasspathfragment/android_common_myapex/modular-hiddenapi/filtered-flags.csv -> hiddenapi/filtered-flags.csv
-build/soong/java/invalid_implementation_jar.sh -> scripts/invalid_implementation_jar.sh
+.intermediates/mysdk/common_os/empty -> java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar
 .intermediates/myothersdklibrary.stubs/android_common/javac/myothersdklibrary.stubs.jar -> sdk_library/public/myothersdklibrary-stubs.jar
 .intermediates/myothersdklibrary.stubs.source/android_common/metalava/myothersdklibrary.stubs.source_api.txt -> sdk_library/public/myothersdklibrary.txt
 .intermediates/myothersdklibrary.stubs.source/android_common/metalava/myothersdklibrary.stubs.source_removed.txt -> sdk_library/public/myothersdklibrary-removed.txt
@@ -899,18 +876,10 @@
     prefer: false,
     visibility: ["//visibility:public"],
     apex_available: ["myapex"],
-    jars: [":mysdk_mybootlib-error"],
+    jars: ["java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar"],
     permitted_packages: ["mybootlib"],
 }
 
-genrule {
-    name: "mysdk_mybootlib-error",
-    visibility: ["//visibility:private"],
-    out: ["this-file-will-never-be-created.jar"],
-    tool_files: ["scripts/invalid_implementation_jar.sh"],
-    cmd: "$(location scripts/invalid_implementation_jar.sh) mybootlib",
-}
-
 java_sdk_library_import {
     name: "mynewlibrary",
     prefer: false,
@@ -961,7 +930,7 @@
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/signature-patterns.csv -> hiddenapi/signature-patterns.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/filtered-stub-flags.csv -> hiddenapi/filtered-stub-flags.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/filtered-flags.csv -> hiddenapi/filtered-flags.csv
-build/soong/java/invalid_implementation_jar.sh -> scripts/invalid_implementation_jar.sh
+.intermediates/mysdk/common_os/empty -> java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar
 .intermediates/mynewlibrary.stubs/android_common/javac/mynewlibrary.stubs.jar -> sdk_library/public/mynewlibrary-stubs.jar
 .intermediates/mynewlibrary.stubs.source/android_common/metalava/mynewlibrary.stubs.source_api.txt -> sdk_library/public/mynewlibrary.txt
 .intermediates/mynewlibrary.stubs.source/android_common/metalava/mynewlibrary.stubs.source_removed.txt -> sdk_library/public/mynewlibrary-removed.txt
diff --git a/sdk/java_sdk_test.go b/sdk/java_sdk_test.go
index c6cb6c2..51903ce3 100644
--- a/sdk/java_sdk_test.go
+++ b/sdk/java_sdk_test.go
@@ -19,13 +19,11 @@
 	"testing"
 
 	"android/soong/android"
-	"android/soong/genrule"
 	"android/soong/java"
 )
 
 var prepareForSdkTestWithJava = android.GroupFixturePreparers(
 	java.PrepareForTestWithJavaBuildComponents,
-	genrule.PrepareForTestWithGenRuleBuildComponents,
 	PrepareForTestWithSdkBuildComponents,
 
 	// Ensure that all source paths are provided. This helps ensure that the snapshot generation is
@@ -36,7 +34,6 @@
 	// Files needs by most of the tests.
 	android.MockFS{
 		"Test.java": nil,
-		"build/soong/java/invalid_implementation_jar.sh": nil,
 	}.AddToFixture(),
 )
 
@@ -291,26 +288,18 @@
     prefer: false,
     visibility: ["//visibility:public"],
     apex_available: ["//apex_available:platform"],
-    jars: [":mysdk_myjavalib-error"],
+    jars: ["java_boot_libs/snapshot/jars/are/invalid/myjavalib.jar"],
     permitted_packages: ["pkg.myjavalib"],
 }
-
-genrule {
-    name: "mysdk_myjavalib-error",
-    visibility: ["//visibility:private"],
-    out: ["this-file-will-never-be-created.jar"],
-    tool_files: ["scripts/invalid_implementation_jar.sh"],
-    cmd: "$(location scripts/invalid_implementation_jar.sh) myjavalib",
-}
 `),
 		checkAllCopyRules(`
-build/soong/java/invalid_implementation_jar.sh -> scripts/invalid_implementation_jar.sh
+.intermediates/mysdk/common_os/empty -> java_boot_libs/snapshot/jars/are/invalid/myjavalib.jar
 `),
 	)
 }
 
 func TestSnapshotWithJavaBootLibrary_UpdatableMedia(t *testing.T) {
-	runTest := func(t *testing.T, targetBuildRelease, expectedJarPath, expectedGenRule, expectedCopyRule string) {
+	runTest := func(t *testing.T, targetBuildRelease, expectedJarPath, expectedCopyRule string) {
 		result := android.GroupFixturePreparers(
 			prepareForSdkTestWithJava,
 			android.FixtureMergeEnv(map[string]string{
@@ -345,27 +334,20 @@
     jars: ["%s"],
     permitted_packages: ["pkg.media"],
 }
-%s`, expectedJarPath, expectedGenRule)),
+`, expectedJarPath)),
 			checkAllCopyRules(expectedCopyRule),
 		)
 	}
 
 	t.Run("updatable-media in S", func(t *testing.T) {
-		runTest(t, "S", "java/updatable-media.jar", "", `
+		runTest(t, "S", "java/updatable-media.jar", `
 .intermediates/updatable-media/android_common/package-check/updatable-media.jar -> java/updatable-media.jar
 `)
 	})
 
 	t.Run("updatable-media in T", func(t *testing.T) {
-		runTest(t, "Tiramisu", ":mysdk_updatable-media-error", `
-genrule {
-    name: "mysdk_updatable-media-error",
-    visibility: ["//visibility:private"],
-    out: ["this-file-will-never-be-created.jar"],
-    tool_files: ["scripts/invalid_implementation_jar.sh"],
-    cmd: "$(location scripts/invalid_implementation_jar.sh) updatable-media",
-}`, `
-build/soong/java/invalid_implementation_jar.sh -> scripts/invalid_implementation_jar.sh
+		runTest(t, "Tiramisu", "java_boot_libs/snapshot/jars/are/invalid/updatable-media.jar", `
+.intermediates/mysdk/common_os/empty -> java_boot_libs/snapshot/jars/are/invalid/updatable-media.jar
 `)
 	})
 }
@@ -407,20 +389,12 @@
     prefer: false,
     visibility: ["//visibility:public"],
     apex_available: ["//apex_available:platform"],
-    jars: [":myexports_myjavalib-error"],
+    jars: ["java_systemserver_libs/snapshot/jars/are/invalid/myjavalib.jar"],
     permitted_packages: ["pkg.myjavalib"],
 }
-
-genrule {
-    name: "myexports_myjavalib-error",
-    visibility: ["//visibility:private"],
-    out: ["this-file-will-never-be-created.jar"],
-    tool_files: ["scripts/invalid_implementation_jar.sh"],
-    cmd: "$(location scripts/invalid_implementation_jar.sh) myjavalib",
-}
 `),
 		checkAllCopyRules(`
-build/soong/java/invalid_implementation_jar.sh -> scripts/invalid_implementation_jar.sh
+.intermediates/myexports/common_os/empty -> java_systemserver_libs/snapshot/jars/are/invalid/myjavalib.jar
 `),
 	)
 }
diff --git a/sdk/systemserverclasspath_fragment_sdk_test.go b/sdk/systemserverclasspath_fragment_sdk_test.go
index 9540a6b..1ac405d 100644
--- a/sdk/systemserverclasspath_fragment_sdk_test.go
+++ b/sdk/systemserverclasspath_fragment_sdk_test.go
@@ -119,18 +119,10 @@
     prefer: false,
     visibility: ["//visibility:public"],
     apex_available: ["myapex"],
-    jars: [":mysdk_mylib-error"],
+    jars: ["java_systemserver_libs/snapshot/jars/are/invalid/mylib.jar"],
     permitted_packages: ["mylib"],
 }
 
-genrule {
-    name: "mysdk_mylib-error",
-    visibility: ["//visibility:private"],
-    out: ["this-file-will-never-be-created.jar"],
-    tool_files: ["scripts/invalid_implementation_jar.sh"],
-    cmd: "$(location scripts/invalid_implementation_jar.sh) mylib",
-}
-
 prebuilt_systemserverclasspath_fragment {
     name: "mysystemserverclasspathfragment",
     prefer: false,
@@ -188,18 +180,10 @@
     prefer: false,
     visibility: ["//visibility:public"],
     apex_available: ["myapex"],
-    jars: [":mysdk_mylib-error"],
+    jars: ["java_systemserver_libs/snapshot/jars/are/invalid/mylib.jar"],
     permitted_packages: ["mylib"],
 }
 
-genrule {
-    name: "mysdk_mylib-error",
-    visibility: ["//visibility:private"],
-    out: ["this-file-will-never-be-created.jar"],
-    tool_files: ["scripts/invalid_implementation_jar.sh"],
-    cmd: "$(location scripts/invalid_implementation_jar.sh) mylib",
-}
-
 prebuilt_systemserverclasspath_fragment {
     name: "mysystemserverclasspathfragment",
     prefer: false,
diff --git a/sdk/update.go b/sdk/update.go
index 6ebbf09..92a13fa 100644
--- a/sdk/update.go
+++ b/sdk/update.go
@@ -1049,6 +1049,9 @@
 	filesToZip  android.Paths
 	zipsToMerge android.Paths
 
+	// The path to an empty file.
+	emptyFile android.WritablePath
+
 	prebuiltModules map[string]*bpModule
 	prebuiltOrder   []*bpModule
 
@@ -1108,6 +1111,19 @@
 	s.zipsToMerge = append(s.zipsToMerge, tmpZipPath)
 }
 
+func (s *snapshotBuilder) EmptyFile() android.Path {
+	if s.emptyFile == nil {
+		ctx := s.ctx
+		s.emptyFile = android.PathForModuleOut(ctx, "empty")
+		s.ctx.Build(pctx, android.BuildParams{
+			Rule:   android.Touch,
+			Output: s.emptyFile,
+		})
+	}
+
+	return s.emptyFile
+}
+
 func (s *snapshotBuilder) AddPrebuiltModule(member android.SdkMember, moduleType string) android.BpModule {
 	name := member.Name()
 	if s.prebuiltModules[name] != nil {
@@ -1184,24 +1200,6 @@
 	return m
 }
 
-func (s *snapshotBuilder) AddInternalModule(properties android.SdkMemberProperties, moduleType string, nameSuffix string) android.BpModule {
-	name := properties.Name() + "-" + nameSuffix
-
-	if s.prebuiltModules[name] != nil {
-		panic(fmt.Sprintf("Duplicate module detected, module %s has already been added", name))
-	}
-
-	m := s.bpFile.newModule(moduleType)
-	m.AddProperty("name", name)
-	m.AddProperty("visibility", []string{"//visibility:private"})
-
-	s.prebuiltModules[name] = m
-	s.prebuiltOrder = append(s.prebuiltOrder, m)
-
-	s.allMembersByName[name] = struct{}{}
-	return m
-}
-
 func addHostDeviceSupportedProperties(deviceSupported bool, hostSupported bool, bpModule *bpModule) {
 	// If neither device or host is supported then this module does not support either so will not
 	// recognize the properties.
@@ -1232,23 +1230,18 @@
 // Get a name for sdk snapshot member. If the member is private then generate a snapshot specific
 // name. As part of the processing this checks to make sure that any required members are part of
 // the snapshot.
-func (s *snapshotBuilder) snapshotSdkMemberName(reference string, required bool) string {
-	prefix := ""
-	name := strings.TrimPrefix(reference, ":")
-	if name != reference {
-		prefix = ":"
-	}
+func (s *snapshotBuilder) snapshotSdkMemberName(name string, required bool) string {
 	if _, ok := s.allMembersByName[name]; !ok {
 		if required {
 			s.ctx.ModuleErrorf("Required member reference %s is not a member of the sdk", name)
 		}
-		return reference
+		return name
 	}
 
 	if s.isInternalMember(name) {
-		return prefix + s.ctx.ModuleName() + "_" + name
+		return s.ctx.ModuleName() + "_" + name
 	} else {
-		return reference
+		return name
 	}
 }
 
@@ -2064,7 +2057,6 @@
 	variantPropertiesFactory := func() android.SdkMemberProperties {
 		properties := memberType.CreateVariantPropertiesStruct()
 		base := properties.Base()
-		base.MemberName = member.Name()
 		base.Os_count = osCount
 		return properties
 	}