diff --git a/android/mutator.go b/android/mutator.go
index 5ce743a..45954d3 100644
--- a/android/mutator.go
+++ b/android/mutator.go
@@ -78,6 +78,7 @@
 	RegisterPrebuiltsPreArchMutators,
 	RegisterDefaultsPreArchMutators,
 	RegisterOverridePreArchMutators,
+	registerVisibilityRuleGatherer,
 }
 
 func registerArchMutator(ctx RegisterMutatorsContext) {
@@ -92,6 +93,7 @@
 var postDeps = []RegisterMutatorFunc{
 	registerPathDepsMutator,
 	RegisterPrebuiltsPostDepsMutators,
+	registerVisibilityRuleEnforcer,
 	registerNeverallowMutator,
 }
 
@@ -118,6 +120,7 @@
 	Module() Module
 
 	OtherModuleName(m blueprint.Module) string
+	OtherModuleDir(m blueprint.Module) string
 	OtherModuleErrorf(m blueprint.Module, fmt string, args ...interface{})
 	OtherModuleDependencyTag(m blueprint.Module) blueprint.DependencyTag