diff --git a/dexpreopt/config.go b/dexpreopt/config.go
index d4ab4bc..7a74506 100644
--- a/dexpreopt/config.go
+++ b/dexpreopt/config.go
@@ -49,10 +49,10 @@
 
 	ArtApexJars android.ConfiguredJarList // modules for jars that are in the ART APEX
 
-	SystemServerJars          android.ConfiguredJarList // jars that form the system server
-	SystemServerApps          []string                  // apps that are loaded into system server
-	UpdatableSystemServerJars android.ConfiguredJarList // jars within apex that are loaded into system server
-	SpeedApps                 []string                  // apps that should be speed optimized
+	SystemServerJars     android.ConfiguredJarList // jars that form the system server
+	SystemServerApps     []string                  // apps that are loaded into system server
+	ApexSystemServerJars android.ConfiguredJarList // jars within apex that are loaded into system server
+	SpeedApps            []string                  // apps that should be speed optimized
 
 	BrokenSuboptimalOrderOfSystemServerJars bool // if true, sub-optimal order does not cause a build error
 
@@ -618,7 +618,7 @@
 		ArtApexJars:                        android.EmptyConfiguredJarList(),
 		SystemServerJars:                   android.EmptyConfiguredJarList(),
 		SystemServerApps:                   nil,
-		UpdatableSystemServerJars:          android.EmptyConfiguredJarList(),
+		ApexSystemServerJars:               android.EmptyConfiguredJarList(),
 		SpeedApps:                          nil,
 		PreoptFlags:                        nil,
 		DefaultCompilerFilter:              "",
diff --git a/dexpreopt/dexpreopt.go b/dexpreopt/dexpreopt.go
index da015a3..4c6ae82 100644
--- a/dexpreopt/dexpreopt.go
+++ b/dexpreopt/dexpreopt.go
@@ -111,7 +111,7 @@
 	}
 
 	// Don't preopt system server jars that are updatable.
-	if global.UpdatableSystemServerJars.ContainsJar(module.Name) {
+	if global.ApexSystemServerJars.ContainsJar(module.Name) {
 		return true
 	}
 
@@ -234,7 +234,7 @@
 
 	invocationPath := odexPath.ReplaceExtension(ctx, "invocation")
 
-	systemServerJars := NonUpdatableSystemServerJars(ctx, global)
+	systemServerJars := NonApexSystemServerJars(ctx, global)
 
 	rule.Command().FlagWithArg("mkdir -p ", filepath.Dir(odexPath.String()))
 	rule.Command().FlagWithOutput("rm -f ", odexPath)
@@ -523,13 +523,13 @@
 	}
 }
 
-var nonUpdatableSystemServerJarsKey = android.NewOnceKey("nonUpdatableSystemServerJars")
+var nonApexSystemServerJarsKey = android.NewOnceKey("nonApexSystemServerJars")
 
 // TODO: eliminate the superficial global config parameter by moving global config definition
 // from java subpackage to dexpreopt.
-func NonUpdatableSystemServerJars(ctx android.PathContext, global *GlobalConfig) []string {
-	return ctx.Config().Once(nonUpdatableSystemServerJarsKey, func() interface{} {
-		return android.RemoveListFromList(global.SystemServerJars.CopyOfJars(), global.UpdatableSystemServerJars.CopyOfJars())
+func NonApexSystemServerJars(ctx android.PathContext, global *GlobalConfig) []string {
+	return ctx.Config().Once(nonApexSystemServerJarsKey, func() interface{} {
+		return android.RemoveListFromList(global.SystemServerJars.CopyOfJars(), global.ApexSystemServerJars.CopyOfJars())
 	}).([]string)
 }
 
@@ -556,7 +556,7 @@
 	mctx, isModule := ctx.(android.ModuleContext)
 	if isModule {
 		config := GetGlobalConfig(ctx)
-		jars := NonUpdatableSystemServerJars(ctx, config)
+		jars := NonApexSystemServerJars(ctx, config)
 		mctx.WalkDeps(func(dep android.Module, parent android.Module) bool {
 			depIndex := android.IndexList(dep.Name(), jars)
 			if jarIndex < depIndex && !config.BrokenSuboptimalOrderOfSystemServerJars {
diff --git a/java/systemserver_classpath_fragment.go b/java/systemserver_classpath_fragment.go
index dfe90ba..6c2a5b5 100644
--- a/java/systemserver_classpath_fragment.go
+++ b/java/systemserver_classpath_fragment.go
@@ -107,7 +107,7 @@
 	global := dexpreopt.GetGlobalConfig(ctx)
 
 	possibleUpdatableModules := gatherPossibleApexModuleNamesAndStems(ctx, s.properties.Contents, systemServerClasspathFragmentContentDepTag)
-	return global.UpdatableSystemServerJars.Filter(possibleUpdatableModules)
+	return global.ApexSystemServerJars.Filter(possibleUpdatableModules)
 }
 
 type systemServerClasspathFragmentContentDependencyTag struct {