diff --git a/apex/androidmk.go b/apex/androidmk.go
index f001fa2..8cca137 100644
--- a/apex/androidmk.go
+++ b/apex/androidmk.go
@@ -149,7 +149,7 @@
 		var modulePath string
 		if apexType == flattenedApex {
 			// /system/apex/<name>/{lib|framework|...}
-			modulePath = filepath.Join(a.installDir.ToMakePath().String(), apexBundleName, fi.installDir)
+			modulePath = filepath.Join(a.installDir.String(), apexBundleName, fi.installDir)
 			fmt.Fprintln(w, "LOCAL_MODULE_PATH :=", modulePath)
 			if a.primaryApexType && !symbolFilesNotNeeded {
 				fmt.Fprintln(w, "LOCAL_SOONG_SYMBOL_PATH :=", pathWhenActivated)
@@ -362,7 +362,7 @@
 				data.Entries.WriteLicenseVariables(w)
 				fmt.Fprintln(w, "LOCAL_MODULE_CLASS := ETC") // do we need a new class?
 				fmt.Fprintln(w, "LOCAL_PREBUILT_MODULE_FILE :=", a.outputFile.String())
-				fmt.Fprintln(w, "LOCAL_MODULE_PATH :=", a.installDir.ToMakePath().String())
+				fmt.Fprintln(w, "LOCAL_MODULE_PATH :=", a.installDir.String())
 				stemSuffix := apexType.suffix()
 				if a.isCompressed {
 					stemSuffix = imageCapexSuffix
diff --git a/apex/apex.go b/apex/apex.go
index b7faa5b..09b6daa 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -458,10 +458,6 @@
 	modulePaths []string
 }
 
-func (*apexBundle) InstallBypassMake() bool {
-	return true
-}
-
 // apexFileClass represents a type of file that can be included in APEX.
 type apexFileClass int
 
diff --git a/apex/apex_test.go b/apex/apex_test.go
index a749ea1..d580d7f 100644
--- a/apex/apex_test.go
+++ b/apex/apex_test.go
@@ -2657,7 +2657,10 @@
 }
 
 func TestVendorApex(t *testing.T) {
-	ctx := testApex(t, `
+	result := android.GroupFixturePreparers(
+		prepareForApexTest,
+		android.FixtureModifyConfig(android.SetKatiEnabledForTests),
+	).RunTestWithBp(t, `
 		apex {
 			name: "myapex",
 			key: "myapex.key",
@@ -2681,24 +2684,24 @@
 		}
 	`)
 
-	ensureExactContents(t, ctx, "myapex", "android_common_myapex_image", []string{
+	ensureExactContents(t, result.TestContext, "myapex", "android_common_myapex_image", []string{
 		"bin/mybin",
 		"lib64/libfoo.so",
 		// TODO(b/159195575): Add an option to use VNDK libs from VNDK APEX
 		"lib64/libc++.so",
 	})
 
-	apexBundle := ctx.ModuleForTests("myapex", "android_common_myapex_image").Module().(*apexBundle)
-	data := android.AndroidMkDataForTest(t, ctx, apexBundle)
+	apexBundle := result.ModuleForTests("myapex", "android_common_myapex_image").Module().(*apexBundle)
+	data := android.AndroidMkDataForTest(t, result.TestContext, apexBundle)
 	name := apexBundle.BaseModuleName()
 	prefix := "TARGET_"
 	var builder strings.Builder
 	data.Custom(&builder, name, prefix, "", data)
-	androidMk := android.StringRelativeToTop(ctx.Config(), builder.String())
+	androidMk := android.StringRelativeToTop(result.Config, builder.String())
 	installPath := "out/target/product/test_device/vendor/apex"
 	ensureContains(t, androidMk, "LOCAL_MODULE_PATH := "+installPath)
 
-	apexManifestRule := ctx.ModuleForTests("myapex", "android_common_myapex_image").Rule("apexManifestRule")
+	apexManifestRule := result.ModuleForTests("myapex", "android_common_myapex_image").Rule("apexManifestRule")
 	requireNativeLibs := names(apexManifestRule.Args["requireNativeLibs"])
 	ensureListNotContains(t, requireNativeLibs, ":vndk")
 }
diff --git a/apex/prebuilt.go b/apex/prebuilt.go
index 254c90e..02d8075 100644
--- a/apex/prebuilt.go
+++ b/apex/prebuilt.go
@@ -222,7 +222,7 @@
 			Host_required: p.hostRequired,
 			ExtraEntries: []android.AndroidMkExtraEntriesFunc{
 				func(ctx android.AndroidMkExtraEntriesContext, entries *android.AndroidMkEntries) {
-					entries.SetString("LOCAL_MODULE_PATH", p.installDir.ToMakePath().String())
+					entries.SetString("LOCAL_MODULE_PATH", p.installDir.String())
 					entries.SetString("LOCAL_MODULE_STEM", p.installFilename)
 					entries.SetPath("LOCAL_SOONG_INSTALLED_MODULE", p.installedFile)
 					entries.SetString("LOCAL_SOONG_INSTALL_PAIRS", p.outputApex.String()+":"+p.installedFile.String())
@@ -256,7 +256,7 @@
 		Include:      "$(BUILD_SYSTEM)/soong_java_prebuilt.mk",
 		ExtraEntries: []android.AndroidMkExtraEntriesFunc{
 			func(ctx android.AndroidMkExtraEntriesContext, entries *android.AndroidMkEntries) {
-				entries.SetString("LOCAL_MODULE_PATH", p.installDir.ToMakePath().String())
+				entries.SetString("LOCAL_MODULE_PATH", p.installDir.String())
 				entries.SetString("LOCAL_SOONG_INSTALLED_MODULE", filepath.Join(p.installDir.String(), fi.stem()))
 				entries.SetString("LOCAL_SOONG_INSTALL_PAIRS",
 					fi.builtFile.String()+":"+filepath.Join(p.installDir.String(), fi.stem()))
@@ -472,10 +472,6 @@
 	inputApex android.Path
 }
 
-func (p *Prebuilt) InstallBypassMake() bool {
-	return true
-}
-
 type ApexFileProperties struct {
 	// the path to the prebuilt .apex file to import.
 	//