diff --git a/android/prebuilt.go b/android/prebuilt.go
index 0ee1201..2c99f1f 100644
--- a/android/prebuilt.go
+++ b/android/prebuilt.go
@@ -25,6 +25,11 @@
 // This file implements common functionality for handling modules that may exist as prebuilts,
 // source, or both.
 
+func RegisterPrebuiltMutators(ctx RegistrationContext) {
+	ctx.PreArchMutators(RegisterPrebuiltsPreArchMutators)
+	ctx.PostDepsMutators(RegisterPrebuiltsPostDepsMutators)
+}
+
 type prebuiltDependencyTag struct {
 	blueprint.BaseDependencyTag
 }
diff --git a/android/prebuilt_test.go b/android/prebuilt_test.go
index 600f078..8648b93 100644
--- a/android/prebuilt_test.go
+++ b/android/prebuilt_test.go
@@ -141,8 +141,7 @@
 			config := TestConfig(buildDir, nil, bp, fs)
 
 			ctx := NewTestContext()
-			ctx.PreArchMutators(RegisterPrebuiltsPreArchMutators)
-			ctx.PostDepsMutators(RegisterPrebuiltsPostDepsMutators)
+			RegisterPrebuiltMutators(ctx)
 			ctx.RegisterModuleType("filegroup", FileGroupFactory)
 			ctx.RegisterModuleType("prebuilt", newPrebuiltModule)
 			ctx.RegisterModuleType("source", newSourceModule)
diff --git a/apex/apex_test.go b/apex/apex_test.go
index 969be63..de5fdf7 100644
--- a/apex/apex_test.go
+++ b/apex/apex_test.go
@@ -305,16 +305,10 @@
 	java.RegisterAppBuildComponents(ctx)
 
 	ctx.PreArchMutators(android.RegisterDefaultsPreArchMutators)
-	ctx.PreArchMutators(func(ctx android.RegisterMutatorsContext) {
-		ctx.BottomUp("prebuilts", android.PrebuiltMutator).Parallel()
-	})
+	android.RegisterPrebuiltMutators(ctx)
 	ctx.PreDepsMutators(RegisterPreDepsMutators)
 	ctx.PostDepsMutators(android.RegisterOverridePostDepsMutators)
 	ctx.PostDepsMutators(RegisterPostDepsMutators)
-	ctx.PostDepsMutators(func(ctx android.RegisterMutatorsContext) {
-		ctx.TopDown("prebuilt_select", android.PrebuiltSelectModuleMutator).Parallel()
-		ctx.BottomUp("prebuilt_postdeps", android.PrebuiltPostDepsMutator).Parallel()
-	})
 
 	ctx.Register(config)
 
diff --git a/cc/prebuilt_test.go b/cc/prebuilt_test.go
index 658cef0..2441696 100644
--- a/cc/prebuilt_test.go
+++ b/cc/prebuilt_test.go
@@ -74,8 +74,7 @@
 
 	RegisterPrebuiltBuildComponents(ctx)
 
-	ctx.PreArchMutators(android.RegisterPrebuiltsPreArchMutators)
-	ctx.PostDepsMutators(android.RegisterPrebuiltsPostDepsMutators)
+	android.RegisterPrebuiltMutators(ctx)
 
 	ctx.Register(config)
 
diff --git a/java/java_test.go b/java/java_test.go
index 157dea1..f93d69c 100644
--- a/java/java_test.go
+++ b/java/java_test.go
@@ -74,8 +74,7 @@
 	RegisterDocsBuildComponents(ctx)
 	RegisterStubsBuildComponents(ctx)
 	RegisterSdkLibraryBuildComponents(ctx)
-	ctx.PreArchMutators(android.RegisterPrebuiltsPreArchMutators)
-	ctx.PreArchMutators(android.RegisterPrebuiltsPostDepsMutators)
+	android.RegisterPrebuiltMutators(ctx)
 	ctx.PreArchMutators(android.RegisterDefaultsPreArchMutators)
 
 	RegisterPrebuiltApisBuildComponents(ctx)
diff --git a/sdk/testing.go b/sdk/testing.go
index 8aa9be0..e3b8519 100644
--- a/sdk/testing.go
+++ b/sdk/testing.go
@@ -68,13 +68,7 @@
 	ctx.PreArchMutators(android.RegisterVisibilityRuleGatherer)
 	ctx.PostDepsMutators(android.RegisterVisibilityRuleEnforcer)
 
-	ctx.PreArchMutators(func(ctx android.RegisterMutatorsContext) {
-		ctx.BottomUp("prebuilts", android.PrebuiltMutator).Parallel()
-	})
-	ctx.PostDepsMutators(func(ctx android.RegisterMutatorsContext) {
-		ctx.TopDown("prebuilt_select", android.PrebuiltSelectModuleMutator).Parallel()
-		ctx.BottomUp("prebuilt_postdeps", android.PrebuiltPostDepsMutator).Parallel()
-	})
+	android.RegisterPrebuiltMutators(ctx)
 	ctx.RegisterModuleType("package", android.PackageFactory)
 
 	// from java package
diff --git a/sysprop/sysprop_test.go b/sysprop/sysprop_test.go
index fe9e82a..bdb9915 100644
--- a/sysprop/sysprop_test.go
+++ b/sysprop/sysprop_test.go
@@ -60,8 +60,7 @@
 	java.RegisterAppBuildComponents(ctx)
 	java.RegisterSystemModulesBuildComponents(ctx)
 
-	ctx.PreArchMutators(android.RegisterPrebuiltsPreArchMutators)
-	ctx.PreArchMutators(android.RegisterPrebuiltsPostDepsMutators)
+	android.RegisterPrebuiltMutators(ctx)
 	ctx.PreArchMutators(android.RegisterDefaultsPreArchMutators)
 	ctx.PreArchMutators(func(ctx android.RegisterMutatorsContext) {
 		ctx.BottomUp("sysprop_deps", syspropDepsMutator).Parallel()