diff --git a/java/Android.bp b/java/Android.bp
index 27a0a38..4af2a14 100644
--- a/java/Android.bp
+++ b/java/Android.bp
@@ -87,7 +87,6 @@
         "device_host_converter_test.go",
         "dex_test.go",
         "dexpreopt_test.go",
-        "dexpreopt_bootjars_test.go",
         "dexpreopt_config_test.go",
         "droiddoc_test.go",
         "droidstubs_test.go",
diff --git a/java/dexpreopt_bootjars_test.go b/java/dexpreopt_bootjars_test.go
deleted file mode 100644
index 9083808..0000000
--- a/java/dexpreopt_bootjars_test.go
+++ /dev/null
@@ -1,130 +0,0 @@
-// Copyright 2019 Google Inc. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package java
-
-import (
-	"path/filepath"
-	"sort"
-	"testing"
-
-	"android/soong/android"
-)
-
-func testDexpreoptBoot(t *testing.T, ruleFile string, expectedInputs, expectedOutputs []string) {
-	bp := `
-		java_sdk_library {
-			name: "foo",
-			srcs: ["a.java"],
-			api_packages: ["foo"],
-		}
-
-		java_library {
-			name: "bar",
-			srcs: ["b.java"],
-			installable: true,
-			system_ext_specific: true,
-		}
-
-		dex_import {
-			name: "baz",
-			jars: ["a.jar"],
-		}
-
-		platform_bootclasspath {
-			name: "platform-bootclasspath",
-		}
-	`
-
-	result := android.GroupFixturePreparers(
-		prepareForJavaTest,
-		PrepareForTestWithJavaSdkLibraryFiles,
-		FixtureWithLastReleaseApis("foo"),
-		FixtureConfigureBootJars("platform:foo", "system_ext:bar", "platform:baz"),
-	).RunTestWithBp(t, bp)
-
-	platformBootclasspath := result.ModuleForTests("platform-bootclasspath", "android_common")
-	rule := platformBootclasspath.Output(ruleFile)
-
-	for i := range expectedInputs {
-		expectedInputs[i] = filepath.Join("out/soong/dexpreopt_arm64", expectedInputs[i])
-	}
-
-	for i := range expectedOutputs {
-		expectedOutputs[i] = filepath.Join("out/soong/dexpreopt_arm64", expectedOutputs[i])
-	}
-
-	inputs := rule.Implicits.Strings()
-	sort.Strings(inputs)
-	sort.Strings(expectedInputs)
-
-	outputs := append(android.WritablePaths{rule.Output}, rule.ImplicitOutputs...).Strings()
-	sort.Strings(outputs)
-	sort.Strings(expectedOutputs)
-
-	android.AssertStringPathsRelativeToTopEquals(t, "inputs", result.Config, expectedInputs, inputs)
-
-	android.AssertStringPathsRelativeToTopEquals(t, "outputs", result.Config, expectedOutputs, outputs)
-}
-
-func TestDexpreoptBootJars(t *testing.T) {
-	ruleFile := "boot-foo.art"
-
-	expectedInputs := []string{
-		"dex_artjars/android/apex/art_boot_images/javalib/arm64/boot.art",
-		"dex_bootjars_input/foo.jar",
-		"dex_bootjars_input/bar.jar",
-		"dex_bootjars_input/baz.jar",
-	}
-
-	expectedOutputs := []string{
-		"dex_bootjars/android/system/framework/arm64/boot.invocation",
-		"dex_bootjars/android/system/framework/arm64/boot-foo.art",
-		"dex_bootjars/android/system/framework/arm64/boot-bar.art",
-		"dex_bootjars/android/system/framework/arm64/boot-baz.art",
-		"dex_bootjars/android/system/framework/arm64/boot-foo.oat",
-		"dex_bootjars/android/system/framework/arm64/boot-bar.oat",
-		"dex_bootjars/android/system/framework/arm64/boot-baz.oat",
-		"dex_bootjars/android/system/framework/arm64/boot-foo.vdex",
-		"dex_bootjars/android/system/framework/arm64/boot-bar.vdex",
-		"dex_bootjars/android/system/framework/arm64/boot-baz.vdex",
-		"dex_bootjars_unstripped/android/system/framework/arm64/boot-foo.oat",
-		"dex_bootjars_unstripped/android/system/framework/arm64/boot-bar.oat",
-		"dex_bootjars_unstripped/android/system/framework/arm64/boot-baz.oat",
-	}
-
-	testDexpreoptBoot(t, ruleFile, expectedInputs, expectedOutputs)
-}
-
-// Changes to the boot.zip structure may break the ART APK scanner.
-func TestDexpreoptBootZip(t *testing.T) {
-	ruleFile := "boot.zip"
-
-	ctx := android.PathContextForTesting(android.TestArchConfig("", nil, "", nil))
-	expectedInputs := []string{}
-	for _, target := range ctx.Config().Targets[android.Android] {
-		for _, ext := range []string{".art", ".oat", ".vdex"} {
-			for _, jar := range []string{"foo", "bar", "baz"} {
-				expectedInputs = append(expectedInputs,
-					filepath.Join("dex_bootjars", target.Os.String(), "system/framework", target.Arch.ArchType.String(), "boot-"+jar+ext))
-			}
-		}
-	}
-
-	expectedOutputs := []string{
-		"dex_bootjars/boot.zip",
-	}
-
-	testDexpreoptBoot(t, ruleFile, expectedInputs, expectedOutputs)
-}
diff --git a/java/dexpreopt_test.go b/java/dexpreopt_test.go
index f91ac5c..fedd564 100644
--- a/java/dexpreopt_test.go
+++ b/java/dexpreopt_test.go
@@ -212,7 +212,7 @@
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
 			preparers := android.GroupFixturePreparers(
-				PrepareForTestWithJavaDefaultModules,
+				PrepareForTestWithDexpreopt,
 				PrepareForTestWithFakeApexMutator,
 				dexpreopt.FixtureSetApexSystemServerJars("com.android.apex1:service-foo"),
 			)
@@ -257,7 +257,7 @@
 
 	preparers := android.GroupFixturePreparers(
 		cc.PrepareForTestWithCcDefaultModules,
-		PrepareForTestWithJavaDefaultModulesWithoutFakeDex2oatd,
+		PrepareForTestWithDexpreoptWithoutFakeDex2oatd,
 		dexpreopt.PrepareForTestByEnablingDexpreopt)
 
 	testDex2oatToolDep := func(sourceEnabled, prebuiltEnabled, prebuiltPreferred bool,
@@ -299,7 +299,7 @@
 
 func TestDexpreoptBuiltInstalledForApex(t *testing.T) {
 	preparers := android.GroupFixturePreparers(
-		PrepareForTestWithJavaDefaultModules,
+		PrepareForTestWithDexpreopt,
 		PrepareForTestWithFakeApexMutator,
 		dexpreopt.FixtureSetApexSystemServerJars("com.android.apex1:service-foo"),
 	)
@@ -386,7 +386,7 @@
 
 func TestAndroidMkEntriesForApex(t *testing.T) {
 	preparers := android.GroupFixturePreparers(
-		PrepareForTestWithJavaDefaultModules,
+		PrepareForTestWithDexpreopt,
 		PrepareForTestWithFakeApexMutator,
 		dexpreopt.FixtureSetApexSystemServerJars("com.android.apex1:service-foo"),
 	)
diff --git a/java/hiddenapi_singleton_test.go b/java/hiddenapi_singleton_test.go
index 75b7bb7..ef792f9 100644
--- a/java/hiddenapi_singleton_test.go
+++ b/java/hiddenapi_singleton_test.go
@@ -39,7 +39,9 @@
 `)
 
 var hiddenApiFixtureFactory = android.GroupFixturePreparers(
-	prepareForJavaTest, PrepareForTestWithHiddenApiBuildComponents)
+	PrepareForTestWithJavaDefaultModules,
+	PrepareForTestWithHiddenApiBuildComponents,
+)
 
 func TestHiddenAPISingleton(t *testing.T) {
 	result := android.GroupFixturePreparers(
diff --git a/java/java_test.go b/java/java_test.go
index 553b762..2a4913e 100644
--- a/java/java_test.go
+++ b/java/java_test.go
@@ -46,12 +46,11 @@
 	// Get the CC build components but not default modules.
 	cc.PrepareForTestWithCcBuildComponents,
 	// Include all the default java modules.
-	PrepareForTestWithJavaDefaultModules,
+	PrepareForTestWithDexpreopt,
 	PrepareForTestWithOverlayBuildComponents,
 	android.FixtureRegisterWithContext(func(ctx android.RegistrationContext) {
 		ctx.RegisterPreSingletonType("sdk_versions", sdkPreSingletonFactory)
 	}),
-	PrepareForTestWithDexpreopt,
 )
 
 func TestMain(m *testing.M) {
diff --git a/java/platform_bootclasspath_test.go b/java/platform_bootclasspath_test.go
index 10c9187..ff2da4b 100644
--- a/java/platform_bootclasspath_test.go
+++ b/java/platform_bootclasspath_test.go
@@ -18,14 +18,12 @@
 	"testing"
 
 	"android/soong/android"
-	"android/soong/dexpreopt"
 )
 
 // Contains some simple tests for platform_bootclasspath.
 
 var prepareForTestWithPlatformBootclasspath = android.GroupFixturePreparers(
 	PrepareForTestWithJavaDefaultModules,
-	dexpreopt.PrepareForTestByEnablingDexpreopt,
 )
 
 func TestPlatformBootclasspath(t *testing.T) {
diff --git a/java/testing.go b/java/testing.go
index f68e12f..4ff2aa4 100644
--- a/java/testing.go
+++ b/java/testing.go
@@ -80,9 +80,7 @@
 	}.AddToFixture(),
 )
 
-// Test fixture preparer that will define all default java modules except the
-// fake_tool_binary for dex2oatd.
-var PrepareForTestWithJavaDefaultModulesWithoutFakeDex2oatd = android.GroupFixturePreparers(
+var prepareForTestWithJavaDefaultModulesBase = android.GroupFixturePreparers(
 	// Make sure that all the module types used in the defaults are registered.
 	PrepareForTestWithJavaBuildComponents,
 	prepareForTestWithFrameworkDeps,
@@ -92,13 +90,21 @@
 
 // Test fixture preparer that will define default java modules, e.g. standard prebuilt modules.
 var PrepareForTestWithJavaDefaultModules = android.GroupFixturePreparers(
-	PrepareForTestWithJavaDefaultModulesWithoutFakeDex2oatd,
-	dexpreopt.PrepareForTestWithFakeDex2oatd,
+	prepareForTestWithJavaDefaultModulesBase,
+	dexpreopt.FixtureDisableDexpreoptBootImages(true),
+	dexpreopt.FixtureDisableDexpreopt(true),
 )
 
 // Provides everything needed by dexpreopt.
 var PrepareForTestWithDexpreopt = android.GroupFixturePreparers(
-	PrepareForTestWithJavaDefaultModules,
+	prepareForTestWithJavaDefaultModulesBase,
+	dexpreopt.PrepareForTestWithFakeDex2oatd,
+	dexpreopt.PrepareForTestByEnablingDexpreopt,
+)
+
+// Provides everything needed by dexpreopt except the fake_tool_binary for dex2oatd.
+var PrepareForTestWithDexpreoptWithoutFakeDex2oatd = android.GroupFixturePreparers(
+	prepareForTestWithJavaDefaultModulesBase,
 	dexpreopt.PrepareForTestByEnablingDexpreopt,
 )