diff --git a/cc/gen.go b/cc/gen.go
index 5895b31..134d6d9 100644
--- a/cc/gen.go
+++ b/cc/gen.go
@@ -232,8 +232,7 @@
 	var yaccRule_ *android.RuleBuilder
 	yaccRule := func() *android.RuleBuilder {
 		if yaccRule_ == nil {
-			yaccRule_ = android.NewRuleBuilder().Sbox(android.PathForModuleGen(ctx, "yacc"),
-				android.PathForModuleGen(ctx, "yacc.sbox.textproto"))
+			yaccRule_ = android.NewRuleBuilder().Sbox(android.PathForModuleGen(ctx, "yacc"))
 		}
 		return yaccRule_
 	}
@@ -262,8 +261,7 @@
 			deps = append(deps, headerFile)
 		case ".aidl":
 			if aidlRule == nil {
-				aidlRule = android.NewRuleBuilder().Sbox(android.PathForModuleGen(ctx, "aidl"),
-					android.PathForModuleGen(ctx, "aidl.sbox.textproto"))
+				aidlRule = android.NewRuleBuilder().Sbox(android.PathForModuleGen(ctx, "aidl"))
 			}
 			cppFile := android.GenPathWithExt(ctx, "aidl", srcFile, "cpp")
 			depFile := android.GenPathWithExt(ctx, "aidl", srcFile, "cpp.d")