diff --git a/generators/utilities/src/main/scala/Simulator.scala b/generators/utilities/src/main/scala/Simulator.scala
index b2982db755..b95a85f5ff 100644
--- a/generators/utilities/src/main/scala/Simulator.scala
+++ b/generators/utilities/src/main/scala/Simulator.scala
@@ -82,7 +82,6 @@ object GenerateSimFiles extends App with HasGenerateSimConfig {
     out.close()
   }
   def resources(sim: Simulator): Seq[String] = Seq(
-    "/testchipip/csrc/SimSerial.cc",
     "/testchipip/csrc/SimDRAM.cc",
     "/testchipip/csrc/mm.h",
     "/testchipip/csrc/mm.cc",