diff --git a/java/aar.go b/java/aar.go
index a4069bb..91e2f7f 100644
--- a/java/aar.go
+++ b/java/aar.go
@@ -323,7 +323,6 @@
 		&module.androidLibraryProperties)
 
 	module.androidLibraryProperties.BuildAAR = true
-	module.properties.Installable = proptools.BoolPtr(false)
 
 	android.InitAndroidArchModule(module, android.DeviceSupported, android.MultilibCommon)
 	return module
diff --git a/java/androidmk.go b/java/androidmk.go
index 79cf317..5740eca 100644
--- a/java/androidmk.go
+++ b/java/androidmk.go
@@ -37,7 +37,7 @@
 					fmt.Fprintln(w, "LOCAL_LOGTAGS_FILES :=", strings.Join(logtags, " "))
 				}
 
-				if library.properties.Installable != nil && *library.properties.Installable == false {
+				if library.installFile == nil {
 					fmt.Fprintln(w, "LOCAL_UNINSTALLABLE_MODULE := true")
 				}
 				if library.dexJarFile != nil {
@@ -85,7 +85,7 @@
 				fmt.Fprintln(w, "LOCAL_IS_HOST_MODULE := true")
 				fmt.Fprintln(w, "LOCAL_MODULE_CLASS := JAVA_LIBRARIES")
 				fmt.Fprintln(w, "LOCAL_PREBUILT_MODULE_FILE :=", library.implementationJarFile.String())
-				if library.properties.Installable != nil && *library.properties.Installable == false {
+				if library.installFile == nil {
 					fmt.Fprintln(w, "LOCAL_UNINSTALLABLE_MODULE := true")
 				}
 				if library.dexJarFile != nil {
diff --git a/java/app.go b/java/app.go
index f4de419..a6a06fd 100644
--- a/java/app.go
+++ b/java/app.go
@@ -187,6 +187,7 @@
 	module.Module.deviceProperties.Optimize.Shrink = proptools.BoolPtr(true)
 
 	module.Module.properties.Instrument = true
+	module.Module.properties.Installable = proptools.BoolPtr(true)
 
 	module.AddProperties(
 		&module.Module.properties,
@@ -225,6 +226,7 @@
 	module := &AndroidTest{}
 
 	module.Module.deviceProperties.Optimize.Enabled = proptools.BoolPtr(true)
+	module.Module.properties.Installable = proptools.BoolPtr(true)
 
 	module.AddProperties(
 		&module.Module.properties,
diff --git a/java/java.go b/java/java.go
index 5d75b1f..9ae05f3 100644
--- a/java/java.go
+++ b/java/java.go
@@ -34,8 +34,8 @@
 func init() {
 	android.RegisterModuleType("java_defaults", defaultsFactory)
 
-	android.RegisterModuleType("java_library", LibraryFactory(true))
-	android.RegisterModuleType("java_library_static", LibraryFactory(false))
+	android.RegisterModuleType("java_library", LibraryFactory)
+	android.RegisterModuleType("java_library_static", LibraryFactory)
 	android.RegisterModuleType("java_library_host", LibraryHostFactory)
 	android.RegisterModuleType("java_binary", BinaryFactory)
 	android.RegisterModuleType("java_binary_host", BinaryHostFactory)
@@ -107,7 +107,8 @@
 	// If not blank, set the java version passed to javac as -source and -target
 	Java_version *string
 
-	// If set to false, don't allow this module to be installed.  Defaults to true.
+	// If set to true, allow this module to be dexed and installed on devices.  Has no
+	// effect on host modules, which are always considered installable.
 	Installable *bool
 
 	// If set to true, include sources used to compile the module in to the final jar
@@ -1182,13 +1183,13 @@
 		outputFile = j.instrument(ctx, flags, outputFile, jarName)
 	}
 
-	if ctx.Device() && j.createDexRule() {
+	if ctx.Device() && (Bool(j.properties.Installable) || Bool(j.deviceProperties.Compile_dex)) {
 		var dexOutputFile android.Path
 		dexOutputFile = j.compileDex(ctx, flags, outputFile, jarName)
 		if ctx.Failed() {
 			return
 		}
-		if j.installable() {
+		if Bool(j.properties.Installable) {
 			outputFile = dexOutputFile
 		}
 	}
@@ -1250,14 +1251,6 @@
 	return instrumentedJar
 }
 
-func (j *Module) installable() bool {
-	return BoolDefault(j.properties.Installable, true)
-}
-
-func (j *Module) createDexRule() bool {
-	return Bool(j.deviceProperties.Compile_dex) || j.installable()
-}
-
 var _ Dependency = (*Library)(nil)
 
 func (j *Module) HeaderJars() android.Paths {
@@ -1293,7 +1286,7 @@
 func (j *Library) GenerateAndroidBuildActions(ctx android.ModuleContext) {
 	j.compile(ctx)
 
-	if j.installable() {
+	if Bool(j.properties.Installable) || ctx.Host() {
 		j.installFile = ctx.InstallFile(android.PathForModuleInstall(ctx, "framework"),
 			ctx.ModuleName()+".jar", j.outputFile)
 	}
@@ -1303,22 +1296,16 @@
 	j.deps(ctx)
 }
 
-func LibraryFactory(installable bool) func() android.Module {
-	return func() android.Module {
-		module := &Library{}
+func LibraryFactory() android.Module {
+	module := &Library{}
 
-		if !installable {
-			module.properties.Installable = proptools.BoolPtr(false)
-		}
+	module.AddProperties(
+		&module.Module.properties,
+		&module.Module.deviceProperties,
+		&module.Module.protoProperties)
 
-		module.AddProperties(
-			&module.Module.properties,
-			&module.Module.deviceProperties,
-			&module.Module.protoProperties)
-
-		InitJavaModule(module, android.HostAndDeviceSupported)
-		return module
-	}
+	InitJavaModule(module, android.HostAndDeviceSupported)
+	return module
 }
 
 func LibraryHostFactory() android.Module {
@@ -1328,6 +1315,8 @@
 		&module.Module.properties,
 		&module.Module.protoProperties)
 
+	module.Module.properties.Installable = proptools.BoolPtr(true)
+
 	InitJavaModule(module, android.HostSupported)
 	return module
 }
@@ -1367,6 +1356,8 @@
 		&module.Module.protoProperties,
 		&module.testProperties)
 
+	module.Module.properties.Installable = proptools.BoolPtr(true)
+
 	InitJavaModule(module, android.HostAndDeviceSupported)
 	android.InitDefaultableModule(module)
 	return module
@@ -1380,6 +1371,8 @@
 		&module.Module.protoProperties,
 		&module.testProperties)
 
+	module.Module.properties.Installable = proptools.BoolPtr(true)
+
 	InitJavaModule(module, android.HostSupported)
 	android.InitDefaultableModule(module)
 	return module
@@ -1449,6 +1442,8 @@
 		&module.Module.protoProperties,
 		&module.binaryProperties)
 
+	module.Module.properties.Installable = proptools.BoolPtr(true)
+
 	android.InitAndroidArchModule(module, android.HostAndDeviceSupported, android.MultilibCommonFirst)
 	android.InitDefaultableModule(module)
 	return module
@@ -1462,6 +1457,8 @@
 		&module.Module.protoProperties,
 		&module.binaryProperties)
 
+	module.Module.properties.Installable = proptools.BoolPtr(true)
+
 	android.InitAndroidArchModule(module, android.HostSupported, android.MultilibCommonFirst)
 	android.InitDefaultableModule(module)
 	return module
diff --git a/java/java_test.go b/java/java_test.go
index 572db2f..537bdb9 100644
--- a/java/java_test.go
+++ b/java/java_test.go
@@ -74,7 +74,7 @@
 	ctx.RegisterModuleType("android_app", android.ModuleFactoryAdaptor(AndroidAppFactory))
 	ctx.RegisterModuleType("android_library", android.ModuleFactoryAdaptor(AndroidLibraryFactory))
 	ctx.RegisterModuleType("java_binary_host", android.ModuleFactoryAdaptor(BinaryHostFactory))
-	ctx.RegisterModuleType("java_library", android.ModuleFactoryAdaptor(LibraryFactory(true)))
+	ctx.RegisterModuleType("java_library", android.ModuleFactoryAdaptor(LibraryFactory))
 	ctx.RegisterModuleType("java_library_host", android.ModuleFactoryAdaptor(LibraryHostFactory))
 	ctx.RegisterModuleType("java_import", android.ModuleFactoryAdaptor(ImportFactory))
 	ctx.RegisterModuleType("java_defaults", android.ModuleFactoryAdaptor(defaultsFactory))
diff --git a/java/sdk_library.go b/java/sdk_library.go
index 5dfc32f..e4cfd41 100644
--- a/java/sdk_library.go
+++ b/java/sdk_library.go
@@ -331,7 +331,7 @@
 		props.Product_specific = proptools.BoolPtr(true)
 	}
 
-	mctx.CreateModule(android.ModuleFactoryAdaptor(LibraryFactory(false)), &props)
+	mctx.CreateModule(android.ModuleFactoryAdaptor(LibraryFactory), &props)
 }
 
 // Creates a droiddoc module that creates stubs source files from the given full source
@@ -453,6 +453,7 @@
 		Soc_specific     *bool
 		Device_specific  *bool
 		Product_specific *bool
+		Installable      *bool
 		Required         []string
 		Errorprone       struct {
 			Javacflags []string
@@ -463,6 +464,7 @@
 	props.Srcs = module.properties.Srcs
 	props.Libs = module.properties.Libs
 	props.Static_libs = module.properties.Static_libs
+	props.Installable = proptools.BoolPtr(true)
 	// XML file is installed along with the impl lib
 	props.Required = []string{module.xmlFileName()}
 	props.Errorprone.Javacflags = module.properties.Errorprone.Javacflags
@@ -475,7 +477,7 @@
 		props.Product_specific = proptools.BoolPtr(true)
 	}
 
-	mctx.CreateModule(android.ModuleFactoryAdaptor(LibraryFactory(true)), &props, &module.deviceProperties)
+	mctx.CreateModule(android.ModuleFactoryAdaptor(LibraryFactory), &props, &module.deviceProperties)
 }
 
 // Creates the xml file that publicizes the runtime library