diff --git a/core/src/main/scala/chisel3/package.scala b/core/src/main/scala/chisel3/package.scala
index 8702468344a..a675b616733 100644
--- a/core/src/main/scala/chisel3/package.scala
+++ b/core/src/main/scala/chisel3/package.scala
@@ -177,6 +177,7 @@ package object chisel3 {
     def W: Width = Width(int)
   }
 
+  @deprecate("use WireDefault instead", "Chisel 3.5") 
   val WireInit = WireDefault
 
   object Vec extends VecFactory