Merge "Revert "Move sed(1) to toybox.""
diff --git a/ui/build/ninja.go b/ui/build/ninja.go
index e5d6da1..835f820 100644
--- a/ui/build/ninja.go
+++ b/ui/build/ninja.go
@@ -54,7 +54,9 @@
 
 	args = append(args, "-f", config.CombinedNinjaFile())
 
-	args = append(args, "-w", "dupbuild=err")
+	args = append(args,
+		"-w", "dupbuild=err",
+		"-w", "missingdepfile=err")
 
 	cmd := Command(ctx, config, "ninja", executable, args...)
 	if config.HasKatiSuffix() {