diff --git a/dexpreopt/config.go b/dexpreopt/config.go
index 3e32958..a2f1af4 100644
--- a/dexpreopt/config.go
+++ b/dexpreopt/config.go
@@ -79,11 +79,13 @@
 	InstructionSetFeatures map[android.ArchType]string // instruction set for each architecture
 
 	// Only used for boot image
-	DirtyImageObjects android.OptionalPath // path to a dirty-image-objects file
-	BootImageProfiles android.Paths        // path to a boot-image-profile.txt file
-	BootFlags         string               // extra flags to pass to dex2oat for the boot image
-	Dex2oatImageXmx   string               // max heap size for dex2oat for the boot image
-	Dex2oatImageXms   string               // initial heap size for dex2oat for the boot image
+	DirtyImageObjects      android.OptionalPath // path to a dirty-image-objects file
+	PreloadedClasses       android.OptionalPath // path to a preloaded-classes file
+	BootImageProfiles      android.Paths        // path to a boot-image-profile.txt file
+	UseProfileForBootImage bool                 // whether a profile should be used to compile the boot image
+	BootFlags              string               // extra flags to pass to dex2oat for the boot image
+	Dex2oatImageXmx        string               // max heap size for dex2oat for the boot image
+	Dex2oatImageXms        string               // initial heap size for dex2oat for the boot image
 
 	Tools Tools // paths to tools possibly used by the generated commands
 }
@@ -181,6 +183,7 @@
 		// Copies of entries in GlobalConfig that are not constructable without extra parameters.  They will be
 		// used to construct the real value manually below.
 		DirtyImageObjects string
+		PreloadedClasses  string
 		BootImageProfiles []string
 
 		Tools struct {
@@ -203,6 +206,7 @@
 
 	// Construct paths that require a PathContext.
 	config.GlobalConfig.DirtyImageObjects = android.OptionalPathForPath(constructPath(ctx, config.DirtyImageObjects))
+	config.GlobalConfig.PreloadedClasses = android.OptionalPathForPath(constructPath(ctx, config.PreloadedClasses))
 	config.GlobalConfig.BootImageProfiles = constructPaths(ctx, config.BootImageProfiles)
 
 	config.GlobalConfig.Tools.Profman = constructPath(ctx, config.Tools.Profman)
@@ -317,7 +321,9 @@
 		CpuVariant:                         nil,
 		InstructionSetFeatures:             nil,
 		DirtyImageObjects:                  android.OptionalPath{},
+		PreloadedClasses:                   android.OptionalPath{},
 		BootImageProfiles:                  nil,
+		UseProfileForBootImage:             false,
 		BootFlags:                          "",
 		Dex2oatImageXmx:                    "",
 		Dex2oatImageXms:                    "",
diff --git a/java/dexpreopt_bootjars.go b/java/dexpreopt_bootjars.go
index 4758c7e..eb735c1 100644
--- a/java/dexpreopt_bootjars.go
+++ b/java/dexpreopt_bootjars.go
@@ -286,6 +286,8 @@
 	if profile != nil {
 		cmd.FlagWithArg("--compiler-filter=", "speed-profile")
 		cmd.FlagWithInput("--profile-file=", profile)
+	} else if global.PreloadedClasses.Valid() {
+		cmd.FlagWithInput("--image-classes=", global.PreloadedClasses.Path())
 	}
 
 	if global.DirtyImageObjects.Valid() {
@@ -372,7 +374,7 @@
 func bootImageProfileRule(ctx android.SingletonContext, image *bootImage, missingDeps []string) android.WritablePath {
 	global := dexpreoptGlobalConfig(ctx)
 
-	if ctx.Config().IsPdkBuild() || ctx.Config().UnbundledBuild() {
+	if !global.UseProfileForBootImage || ctx.Config().IsPdkBuild() || ctx.Config().UnbundledBuild() {
 		return nil
 	}
 	return ctx.Config().Once(bootImageProfileRuleKey, func() interface{} {
diff --git a/java/dexpreopt_bootjars_test.go b/java/dexpreopt_bootjars_test.go
index f91ff69..cbb52f1 100644
--- a/java/dexpreopt_bootjars_test.go
+++ b/java/dexpreopt_bootjars_test.go
@@ -62,7 +62,6 @@
 	bootArt := dexpreoptBootJars.Output("boot.art")
 
 	expectedInputs := []string{
-		"dex_bootjars/boot.prof",
 		"dex_bootjars_input/foo.jar",
 		"dex_bootjars_input/bar.jar",
 		"dex_bootjars_input/baz.jar",