diff --git a/src/main/scala/com/sksamuel/scapegoat/inspections/collections/PredefSeqIsMutable.scala b/src/main/scala/com/sksamuel/scapegoat/inspections/collections/PredefSeqIsMutable.scala
index 7db867a6..0aed38bf 100644
--- a/src/main/scala/com/sksamuel/scapegoat/inspections/collections/PredefSeqIsMutable.scala
+++ b/src/main/scala/com/sksamuel/scapegoat/inspections/collections/PredefSeqIsMutable.scala
@@ -18,13 +18,11 @@ class PredefSeqIsMutable
       import context.global._
 
       override def inspect(tree: Tree): Unit = {
-        if (!isScala213) {
-          tree match {
-            case DefDef(_, _, _, _, _, _) if tree.symbol.isAccessor =>
-            case TypeTree() if tree.tpe.erasure.toString() == "Seq[Any]" =>
-              context.warn(tree.pos, self)
-            case _ => continue(tree)
-          }
+        tree match {
+          case DefDef(_, _, _, _, _, _) if tree.symbol.isAccessor =>
+          case TypeTree() if tree.tpe.erasure.toString() == "Seq[Any]" =>
+            context.warn(tree.pos, self)
+          case _ => continue(tree)
         }
       }
     }