diff --git a/test/test-cases/multiple-dependencies/d.css b/test/test-cases/multiple-dependencies/d.css
index 4e7ec24..403b965 100644
--- a/test/test-cases/multiple-dependencies/d.css
+++ b/test/test-cases/multiple-dependencies/d.css
@@ -4,3 +4,7 @@
 .d2 {
   color: #d2d2d2;
 }
+.unused {
+  color: #d2d2d2;
+}
+