From 757e78a90de04e59aaa2e4257e1eaf72eaf058c4 Mon Sep 17 00:00:00 2001
From: jbphet <john.blanco@colorado.edu>
Date: Tue, 30 Jun 2020 17:16:30 -0600
Subject: [PATCH] removed redundant option settings, see
 https://github.com/phetsims/states-of-matter/issues/299

---
 js/common/model/MultipleParticleModel.js | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/js/common/model/MultipleParticleModel.js b/js/common/model/MultipleParticleModel.js
index 439e35ee..8d9483d3 100644
--- a/js/common/model/MultipleParticleModel.js
+++ b/js/common/model/MultipleParticleModel.js
@@ -126,11 +126,7 @@ class MultipleParticleModel extends PhetioObject {
   constructor( tandem, options ) {
 
     options = merge( {
-      validSubstances: SubstanceType.VALUES,
-      tandem: tandem,
-
-      // REVIEW: This seems duplicated with a line below, can one of them be eliminated?
-      phetioType: MultipleParticleModelIO
+      validSubstances: SubstanceType.VALUES
     }, options );
 
     super( {