diff --git a/js/realmolecules/view/RealMoleculesControlPanel.js b/js/realmolecules/view/RealMoleculesControlPanel.js
deleted file mode 100644
index 18f347df..00000000
--- a/js/realmolecules/view/RealMoleculesControlPanel.js
+++ /dev/null
@@ -1,122 +0,0 @@
-// Copyright 2014-2017, University of Colorado Boulder
-
-/**
- * Control panel for the 'Real Molecules' screen.
- *
- * @author Chris Malley (PixelZoom, Inc.)
- */
-define( function( require ) {
-  'use strict';
-
-  // modules
-  var AquaRadioButton = require( 'SUN/AquaRadioButton' );
-  var BondDipoleNode = require( 'MOLECULE_POLARITY/common/view/BondDipoleNode' );
-  var CheckBox = require( 'SUN/CheckBox' );
-  var HSeparator = require( 'SUN/HSeparator' );
-  var inherit = require( 'PHET_CORE/inherit' );
-  var LayoutBox = require( 'SCENERY/nodes/LayoutBox' );
-  var MolecularDipoleNode = require( 'MOLECULE_POLARITY/common/view/MolecularDipoleNode' );
-  var moleculePolarity = require( 'MOLECULE_POLARITY/moleculePolarity' );
-  var MPConstants = require( 'MOLECULE_POLARITY/common/MPConstants' );
-  var Panel = require( 'SUN/Panel' );
-  var SurfaceType = require( 'MOLECULE_POLARITY/common/view/SurfaceType' );
-  var Text = require( 'SCENERY/nodes/Text' );
-
-  // strings
-  var atomElectronegativitiesString = require( 'string!MOLECULE_POLARITY/atomElectronegativities' );
-  var atomLabelsString = require( 'string!MOLECULE_POLARITY/atomLabels' );
-  var bondDipolesString = require( 'string!MOLECULE_POLARITY/bondDipoles' );
-  var electronDensityString = require( 'string!MOLECULE_POLARITY/electronDensity' );
-  var electrostaticPotentialString = require( 'string!MOLECULE_POLARITY/electrostaticPotential' );
-  var molecularDipoleString = require( 'string!MOLECULE_POLARITY/molecularDipole' );
-  var noneString = require( 'string!MOLECULE_POLARITY/none' );
-  var partialChargesString = require( 'string!MOLECULE_POLARITY/partialCharges' );
-  var surfaceString = require( 'string!MOLECULE_POLARITY/surface' );
-  var viewString = require( 'string!MOLECULE_POLARITY/view' );
-
-  // constants
-  var TITLE_OPTIONS = {
-    font: MPConstants.TITLE_FONT,
-    maxWidth: 300
-  };
-  var CONTROL_TEXT_OPTIONS = {
-    font: MPConstants.CONTROL_FONT,
-    maxWidth: 225
-  };
-  var RADIO_BUTTON_OPTIONS = { radius: MPConstants.RADIO_BUTTON_RADIUS };
-
-  /**
-   * @param {RealMoleculesViewProperties} viewProperties
-   * @constructor
-   */
-  function RealMoleculesControlPanel( viewProperties ) {
-
-    var viewTitleNode = new Text( viewString, TITLE_OPTIONS );
-
-    // 'View' check boxes
-    var bondDipolesLabel = new LayoutBox( {
-      children: [ new Text( bondDipolesString, CONTROL_TEXT_OPTIONS ), BondDipoleNode.createIcon() ],
-      orientation: 'horizontal',
-      spacing: 10
-    } );
-    var bondDipolesCheckBox = new CheckBox( bondDipolesLabel, viewProperties.bondDipolesVisibleProperty );
-    var molecularDipoleLabel = new LayoutBox( {
-      children: [ new Text( molecularDipoleString, CONTROL_TEXT_OPTIONS ), MolecularDipoleNode.createIcon() ],
-      orientation: 'horizontal',
-      spacing: 10
-    } );
-    var molecularDipoleCheckBox = new CheckBox( molecularDipoleLabel, viewProperties.molecularDipoleVisibleProperty );
-    var partialChargesCheckBox = new CheckBox( new Text( partialChargesString, CONTROL_TEXT_OPTIONS ), viewProperties.partialChargesVisibleProperty );
-    var atomLabelsCheckBox = new CheckBox( new Text( atomLabelsString, CONTROL_TEXT_OPTIONS ), viewProperties.atomLabelsVisibleProperty );
-    var atomElectronegativitiesCheckBox = new CheckBox( new Text( atomElectronegativitiesString, CONTROL_TEXT_OPTIONS ), viewProperties.atomElectronegativitiesVisibleProperty );
-
-    // 'Surface' title
-    var surfaceTitleNode = new Text( surfaceString, TITLE_OPTIONS );
-
-    // 'Surface' radio buttons
-    var noneButton = new AquaRadioButton( viewProperties.surfaceTypeProperty, SurfaceType.NONE, new Text( noneString, CONTROL_TEXT_OPTIONS ), RADIO_BUTTON_OPTIONS );
-    var electrostaticPotentialButton = new AquaRadioButton( viewProperties.surfaceTypeProperty, SurfaceType.ELECTROSTATIC_POTENTIAL, new Text( electrostaticPotentialString, CONTROL_TEXT_OPTIONS ), RADIO_BUTTON_OPTIONS );
-    var electronDensityButton = new AquaRadioButton( viewProperties.surfaceTypeProperty, SurfaceType.ELECTRON_DENSITY, new Text( electronDensityString, CONTROL_TEXT_OPTIONS ), RADIO_BUTTON_OPTIONS );
-
-    // nodes in the control panel, in the order they will appear vertically
-    var children = [
-      viewTitleNode,
-      bondDipolesCheckBox,
-      molecularDipoleCheckBox,
-      partialChargesCheckBox,
-      atomLabelsCheckBox,
-      atomElectronegativitiesCheckBox,
-      //--------------------
-      surfaceTitleNode,
-      noneButton,
-      electrostaticPotentialButton,
-      electronDensityButton
-    ];
-
-    // compute the horizontal separator width, insert separators above (before) titles
-    var separatorWidth = 0;
-    for ( var i = 0; i < children.length; i++ ) {
-      separatorWidth = Math.max( separatorWidth, children[ i ].width );
-    }
-    children.splice( children.indexOf( surfaceTitleNode ), 0, new HSeparator( separatorWidth ) );
-
-    // vertical panel
-    Panel.call( this,
-      new LayoutBox( {
-        children: children,
-        orientation: 'vertical',
-        align: 'left',
-        spacing: 15
-      } ), {
-
-        // panel options
-        fill: 'rgb(238,238,238)',
-        xMargin: 20,
-        yMargin: 15
-      } );
-  }
-
-  moleculePolarity.register( 'RealMoleculesControlPanel', RealMoleculesControlPanel );
-
-  return inherit( Panel, RealMoleculesControlPanel );
-} );