diff --git a/genrule/genrule.go b/genrule/genrule.go
index b6a5861..f85146c 100644
--- a/genrule/genrule.go
+++ b/genrule/genrule.go
@@ -417,23 +417,18 @@
 		}
 		g.rawCommands = append(g.rawCommands, rawCommand)
 
-		// Pick a unique path outside the task.genDir for the sbox manifest textproto,
-		// a unique rule name, and the user-visible description.
-		manifestName := g.subDir + "genrule.sbox.textproto"
+		// Pick a unique rule name and the user-visible description.
 		desc := "generate"
 		name := "generator"
 		if task.shards > 0 {
-			manifestName = g.subDir + "genrule_" + strconv.Itoa(task.shard) + ".sbox.textproto"
 			desc += " " + strconv.Itoa(task.shard)
 			name += strconv.Itoa(task.shard)
 		} else if len(task.out) == 1 {
 			desc += " " + task.out[0].Base()
 		}
 
-		manifestPath := android.PathForModuleOut(ctx, manifestName)
-
 		// Use a RuleBuilder to create a rule that runs the command inside an sbox sandbox.
-		rule := android.NewRuleBuilder().Sbox(task.genDir, manifestPath)
+		rule := android.NewRuleBuilder().Sbox(task.genDir)
 		cmd := rule.Command()
 		cmd.Text(rawCommand)
 		cmd.ImplicitOutputs(task.out)