diff --git a/java/dexpreopt.go b/java/dexpreopt.go
index cdd42ed..b852615 100644
--- a/java/dexpreopt.go
+++ b/java/dexpreopt.go
@@ -160,6 +160,10 @@
 		}
 	}
 
+	if !android.IsModulePreferred(ctx.Module()) {
+		return true
+	}
+
 	// TODO: contains no java code
 
 	return false
diff --git a/java/sdk_library.go b/java/sdk_library.go
index ce8f179..1d39071 100644
--- a/java/sdk_library.go
+++ b/java/sdk_library.go
@@ -1907,6 +1907,7 @@
 	android.SdkBase
 
 	hiddenAPI
+	dexpreopter
 
 	properties sdkLibraryImportProperties
 
@@ -2111,6 +2112,14 @@
 	}
 }
 
+func (module *SdkLibraryImport) AndroidMkEntries() []android.AndroidMkEntries {
+	// For an SDK library imported from a prebuilt APEX, we don't need a Make module for itself, as we
+	// don't need to install it. However, we need to add its dexpreopt outputs as sub-modules, if it
+	// is preopted.
+	dexpreoptEntries := module.dexpreopter.AndroidMkEntriesForApex()
+	return append(dexpreoptEntries, android.AndroidMkEntries{Disabled: true})
+}
+
 var _ android.ApexModule = (*SdkLibraryImport)(nil)
 
 // Implements android.ApexModule
@@ -2208,8 +2217,16 @@
 			di := ctx.OtherModuleProvider(deapexerModule, android.DeapexerProvider).(android.DeapexerInfo)
 			if dexOutputPath := di.PrebuiltExportPath(apexRootRelativePathToJavaLib(module.BaseModuleName())); dexOutputPath != nil {
 				module.dexJarFile = dexOutputPath
-				module.installFile = android.PathForModuleInPartitionInstall(ctx, "apex", ai.ApexVariationName, apexRootRelativePathToJavaLib(module.BaseModuleName()))
+				installPath := android.PathForModuleInPartitionInstall(
+					ctx, "apex", ai.ApexVariationName, apexRootRelativePathToJavaLib(module.BaseModuleName()))
+				module.installFile = installPath
 				module.initHiddenAPI(ctx, dexOutputPath, module.findScopePaths(apiScopePublic).stubsImplPath[0], nil)
+
+				// Dexpreopting.
+				module.dexpreopter.installPath = module.dexpreopter.getInstallPath(ctx, installPath)
+				module.dexpreopter.isSDKLibrary = true
+				module.dexpreopter.uncompressedDex = shouldUncompressDex(ctx, &module.dexpreopter)
+				module.dexpreopt(ctx, dexOutputPath)
 			} else {
 				// This should never happen as a variant for a prebuilt_apex is only created if the
 				// prebuilt_apex has been configured to export the java library dex file.
@@ -2328,6 +2345,11 @@
 	}
 }
 
+// to satisfy java.DexpreopterInterface interface
+func (module *SdkLibraryImport) IsInstallable() bool {
+	return true
+}
+
 var _ android.RequiredFilesFromPrebuiltApex = (*SdkLibraryImport)(nil)
 
 func (module *SdkLibraryImport) RequiredFilesFromPrebuiltApex(ctx android.BaseModuleContext) []string {
diff --git a/java/sdk_library_test.go b/java/sdk_library_test.go
index 938bb28..d6c0946 100644
--- a/java/sdk_library_test.go
+++ b/java/sdk_library_test.go
@@ -598,6 +598,7 @@
 	}
 
 	CheckModuleDependencies(t, result.TestContext, "sdklib", "android_common", []string{
+		`dex2oatd`,
 		`prebuilt_sdklib.stubs`,
 		`prebuilt_sdklib.stubs.source.test`,
 		`prebuilt_sdklib.stubs.system`,
@@ -674,7 +675,6 @@
 		`)
 
 	CheckModuleDependencies(t, result.TestContext, "sdklib", "android_common", []string{
-		`dex2oatd`,
 		`prebuilt_sdklib`,
 		`sdklib.impl`,
 		`sdklib.stubs`,
@@ -683,6 +683,7 @@
 	})
 
 	CheckModuleDependencies(t, result.TestContext, "prebuilt_sdklib", "android_common", []string{
+		`dex2oatd`,
 		`prebuilt_sdklib.stubs`,
 		`sdklib.impl`,
 		`sdklib.xml`,