diff --git a/core/renderers/common/path_object.js b/core/renderers/common/path_object.js
index e81b8e0e2..7b1f6af9d 100644
--- a/core/renderers/common/path_object.js
+++ b/core/renderers/common/path_object.js
@@ -11,34 +11,39 @@
 
 'use strict';
 
-goog.provide('Blockly.blockRendering.PathObject');
+goog.module('Blockly.blockRendering.PathObject');
+goog.module.declareLegacyNamespace();
 
-goog.require('Blockly.blockRendering.ConstantProvider');
-goog.require('Blockly.blockRendering.IPathObject');
-goog.require('Blockly.Theme');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.Svg');
-
-goog.requireType('Blockly.Block');
-goog.requireType('Blockly.Connection');
+/* eslint-disable-next-line no-unused-vars */
+const Block = goog.requireType('Blockly.Block');
+/* eslint-disable-next-line no-unused-vars */
+const Connection = goog.requireType('Blockly.Connection');
+/* eslint-disable-next-line no-unused-vars */
+const ConstantProvider = goog.requireType('Blockly.blockRendering.ConstantProvider');
+/* eslint-disable-next-line no-unused-vars */
+const IPathObject = goog.require('Blockly.blockRendering.IPathObject');
+const Svg = goog.require('Blockly.utils.Svg');
+/* eslint-disable-next-line no-unused-vars */
+const Theme = goog.requireType('Blockly.Theme');
+const dom = goog.require('Blockly.utils.dom');
 
 
 /**
  * An object that handles creating and setting each of the SVG elements
  * used by the renderer.
  * @param {!SVGElement} root The root SVG element.
- * @param {!Blockly.Theme.BlockStyle} style The style object to use for
+ * @param {!Theme.BlockStyle} style The style object to use for
  *     colouring.
- * @param {!Blockly.blockRendering.ConstantProvider} constants The renderer's
+ * @param {!ConstantProvider} constants The renderer's
  *     constants.
  * @constructor
- * @implements {Blockly.blockRendering.IPathObject}
+ * @implements {IPathObject}
  * @package
  */
-Blockly.blockRendering.PathObject = function(root, style, constants) {
+const PathObject = function(root, style, constants) {
   /**
    * The renderer's constant provider.
-   * @type {!Blockly.blockRendering.ConstantProvider}
+   * @type {!ConstantProvider}
    * @package
    */
   this.constants = constants;
@@ -50,13 +55,12 @@ Blockly.blockRendering.PathObject = function(root, style, constants) {
    * @type {!SVGElement}
    * @package
    */
-  this.svgPath = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.PATH,
-      {'class': 'blocklyPath'}, this.svgRoot);
+  this.svgPath =
+      dom.createSvgElement(Svg.PATH, {'class': 'blocklyPath'}, this.svgRoot);
 
   /**
    * The style object to use when colouring block paths.
-   * @type {!Blockly.Theme.BlockStyle}
+   * @type {!Theme.BlockStyle}
    * @package
    */
   this.style = style;
@@ -83,7 +87,7 @@ Blockly.blockRendering.PathObject = function(root, style, constants) {
  * @param {string} pathString The path.
  * @package
  */
-Blockly.blockRendering.PathObject.prototype.setPath = function(pathString) {
+PathObject.prototype.setPath = function(pathString) {
   this.svgPath.setAttribute('d', pathString);
 };
 
@@ -91,7 +95,7 @@ Blockly.blockRendering.PathObject.prototype.setPath = function(pathString) {
  * Flip the SVG paths in RTL.
  * @package
  */
-Blockly.blockRendering.PathObject.prototype.flipRTL = function() {
+PathObject.prototype.flipRTL = function() {
   // Mirror the block's path.
   this.svgPath.setAttribute('transform', 'scale(-1 1)');
 };
@@ -102,7 +106,7 @@ Blockly.blockRendering.PathObject.prototype.flipRTL = function() {
  *     block SVG group.
  * @package
  */
-Blockly.blockRendering.PathObject.prototype.setCursorSvg = function(cursorSvg) {
+PathObject.prototype.setCursorSvg = function(cursorSvg) {
   if (!cursorSvg) {
     this.cursorSvg = null;
     return;
@@ -118,7 +122,7 @@ Blockly.blockRendering.PathObject.prototype.setCursorSvg = function(cursorSvg) {
  *     block SVG group.
  * @package
  */
-Blockly.blockRendering.PathObject.prototype.setMarkerSvg = function(markerSvg) {
+PathObject.prototype.setMarkerSvg = function(markerSvg) {
   if (!markerSvg) {
     this.markerSvg = null;
     return;
@@ -135,10 +139,10 @@ Blockly.blockRendering.PathObject.prototype.setMarkerSvg = function(markerSvg) {
 /**
  * Apply the stored colours to the block's path, taking into account whether
  * the paths belong to a shadow block.
- * @param {!Blockly.Block} block The source block.
+ * @param {!Block} block The source block.
  * @package
  */
-Blockly.blockRendering.PathObject.prototype.applyColour = function(block) {
+PathObject.prototype.applyColour = function(block) {
   this.svgPath.setAttribute('stroke', this.style.colourTertiary);
   this.svgPath.setAttribute('fill', this.style.colourPrimary);
 
@@ -148,10 +152,10 @@ Blockly.blockRendering.PathObject.prototype.applyColour = function(block) {
 
 /**
  * Set the style.
- * @param {!Blockly.Theme.BlockStyle} blockStyle The block style to use.
+ * @param {!Theme.BlockStyle} blockStyle The block style to use.
  * @package
  */
-Blockly.blockRendering.PathObject.prototype.setStyle = function(blockStyle) {
+PathObject.prototype.setStyle = function(blockStyle) {
   this.style = blockStyle;
 };
 
@@ -162,14 +166,11 @@ Blockly.blockRendering.PathObject.prototype.setStyle = function(blockStyle) {
  *     be removed.
  * @protected
  */
-Blockly.blockRendering.PathObject.prototype.setClass_ = function(
-    className, add) {
+PathObject.prototype.setClass_ = function(className, add) {
   if (add) {
-    Blockly.utils.dom.addClass(/** @type {!Element} */ (this.svgRoot),
-        className);
+    dom.addClass(/** @type {!Element} */ (this.svgRoot), className);
   } else {
-    Blockly.utils.dom.removeClass(/** @type {!Element} */ (this.svgRoot),
-        className);
+    dom.removeClass(/** @type {!Element} */ (this.svgRoot), className);
   }
 };
 
@@ -179,11 +180,10 @@ Blockly.blockRendering.PathObject.prototype.setClass_ = function(
  * @param {boolean} enable True if highlighted.
  * @package
  */
-Blockly.blockRendering.PathObject.prototype.updateHighlighted = function(
-    enable) {
+PathObject.prototype.updateHighlighted = function(enable) {
   if (enable) {
-    this.svgPath.setAttribute('filter',
-        'url(#' + this.constants.embossFilterId + ')');
+    this.svgPath.setAttribute(
+        'filter', 'url(#' + this.constants.embossFilterId + ')');
   } else {
     this.svgPath.setAttribute('filter', 'none');
   }
@@ -194,7 +194,7 @@ Blockly.blockRendering.PathObject.prototype.updateHighlighted = function(
  * @param {boolean} shadow True if the block is a shadow block.
  * @protected
  */
-Blockly.blockRendering.PathObject.prototype.updateShadow_ = function(shadow) {
+PathObject.prototype.updateShadow_ = function(shadow) {
   if (shadow) {
     this.svgPath.setAttribute('stroke', 'none');
     this.svgPath.setAttribute('fill', this.style.colourSecondary);
@@ -206,12 +206,11 @@ Blockly.blockRendering.PathObject.prototype.updateShadow_ = function(shadow) {
  * @param {boolean} disabled True if disabled.
  * @protected
  */
-Blockly.blockRendering.PathObject.prototype.updateDisabled_ = function(
-    disabled) {
+PathObject.prototype.updateDisabled_ = function(disabled) {
   this.setClass_('blocklyDisabled', disabled);
   if (disabled) {
-    this.svgPath.setAttribute('fill',
-        'url(#' + this.constants.disabledPatternId + ')');
+    this.svgPath.setAttribute(
+        'fill', 'url(#' + this.constants.disabledPatternId + ')');
   }
 };
 
@@ -220,7 +219,7 @@ Blockly.blockRendering.PathObject.prototype.updateDisabled_ = function(
  * @param {boolean} enable True if selection is enabled, false otherwise.
  * @package
  */
-Blockly.blockRendering.PathObject.prototype.updateSelected = function(enable) {
+PathObject.prototype.updateSelected = function(enable) {
   this.setClass_('blocklySelected', enable);
 };
 
@@ -230,8 +229,7 @@ Blockly.blockRendering.PathObject.prototype.updateSelected = function(enable) {
  *     area, false otherwise.
  * @package
  */
-Blockly.blockRendering.PathObject.prototype.updateDraggingDelete = function(
-    enable) {
+PathObject.prototype.updateDraggingDelete = function(enable) {
   this.setClass_('blocklyDraggingDelete', enable);
 };
 
@@ -241,8 +239,7 @@ Blockly.blockRendering.PathObject.prototype.updateDraggingDelete = function(
  *     otherwise.
  * @package
  */
-Blockly.blockRendering.PathObject.prototype.updateInsertionMarker = function(
-    enable) {
+PathObject.prototype.updateInsertionMarker = function(enable) {
   this.setClass_('blocklyInsertionMarker', enable);
 };
 
@@ -251,7 +248,7 @@ Blockly.blockRendering.PathObject.prototype.updateInsertionMarker = function(
  * @param {boolean} enable True if the block is movable, false otherwise.
  * @package
  */
-Blockly.blockRendering.PathObject.prototype.updateMovable = function(enable) {
+PathObject.prototype.updateMovable = function(enable) {
   this.setClass_('blocklyDraggable', enable);
 };
 
@@ -262,21 +259,19 @@ Blockly.blockRendering.PathObject.prototype.updateMovable = function(enable) {
  * @param {boolean} enable True if styling should be added.
  * @package
  */
-Blockly.blockRendering.PathObject.prototype.updateReplacementFade =
-    function(enable) {
-    /* eslint-disable indent */
+PathObject.prototype.updateReplacementFade = function(enable) {
   this.setClass_('blocklyReplaceable', enable);
-}; /* eslint-enable indent */
+};
 
 /**
  * Add or remove styling that shows that if the dragging block is dropped, this
  * block will be connected to the input.
- * @param {Blockly.Connection} _conn The connection on the input to highlight.
+ * @param {Connection} _conn The connection on the input to highlight.
  * @param {boolean} _enable True if styling should be added.
  * @package
  */
-Blockly.blockRendering.PathObject.prototype.updateShapeForInputHighlight =
-    function(_conn, _enable) {
-    /* eslint-disable indent */
+PathObject.prototype.updateShapeForInputHighlight = function(_conn, _enable) {
   // NOP
-}; /* eslint-enable indent */
+};
+
+exports = PathObject;
diff --git a/tests/deps.js b/tests/deps.js
index 0018d3a1d..b28f86da2 100644
--- a/tests/deps.js
+++ b/tests/deps.js
@@ -126,7 +126,7 @@ goog.addDependency('../../core/renderers/common/drawer.js', ['Blockly.blockRende
 goog.addDependency('../../core/renderers/common/i_path_object.js', ['Blockly.blockRendering.IPathObject'], []);
 goog.addDependency('../../core/renderers/common/info.js', ['Blockly.blockRendering.RenderInfo'], ['Blockly.blockRendering.BottomRow', 'Blockly.blockRendering.ExternalValueInput', 'Blockly.blockRendering.Field', 'Blockly.blockRendering.Hat', 'Blockly.blockRendering.Icon', 'Blockly.blockRendering.InRowSpacer', 'Blockly.blockRendering.InlineInput', 'Blockly.blockRendering.InputRow', 'Blockly.blockRendering.JaggedEdge', 'Blockly.blockRendering.Measurable', 'Blockly.blockRendering.NextConnection', 'Blockly.blockRendering.OutputConnection', 'Blockly.blockRendering.PreviousConnection', 'Blockly.blockRendering.RoundCorner', 'Blockly.blockRendering.Row', 'Blockly.blockRendering.SpacerRow', 'Blockly.blockRendering.SquareCorner', 'Blockly.blockRendering.StatementInput', 'Blockly.blockRendering.TopRow', 'Blockly.blockRendering.Types', 'Blockly.constants', 'Blockly.inputTypes'], {'lang': 'es6', 'module': 'goog'});
 goog.addDependency('../../core/renderers/common/marker_svg.js', ['Blockly.blockRendering.MarkerSvg'], ['Blockly.ASTNode', 'Blockly.Events', 'Blockly.Events.MarkerMove', 'Blockly.connectionTypes', 'Blockly.utils.Svg', 'Blockly.utils.dom']);
-goog.addDependency('../../core/renderers/common/path_object.js', ['Blockly.blockRendering.PathObject'], ['Blockly.Theme', 'Blockly.blockRendering.ConstantProvider', 'Blockly.blockRendering.IPathObject', 'Blockly.utils.Svg', 'Blockly.utils.dom']);
+goog.addDependency('../../core/renderers/common/path_object.js', ['Blockly.blockRendering.PathObject'], ['Blockly.blockRendering.IPathObject', 'Blockly.utils.Svg', 'Blockly.utils.dom'], {'lang': 'es6', 'module': 'goog'});
 goog.addDependency('../../core/renderers/common/renderer.js', ['Blockly.blockRendering.Renderer'], ['Blockly.IRegistrable', 'Blockly.InsertionMarkerManager', 'Blockly.blockRendering.ConstantProvider', 'Blockly.blockRendering.Debug', 'Blockly.blockRendering.Drawer', 'Blockly.blockRendering.IPathObject', 'Blockly.blockRendering.MarkerSvg', 'Blockly.blockRendering.PathObject', 'Blockly.blockRendering.RenderInfo', 'Blockly.connectionTypes']);
 goog.addDependency('../../core/renderers/geras/constants.js', ['Blockly.geras.ConstantProvider'], ['Blockly.blockRendering.ConstantProvider', 'Blockly.utils.object'], {'lang': 'es5'});
 goog.addDependency('../../core/renderers/geras/drawer.js', ['Blockly.geras.Drawer'], ['Blockly.blockRendering.Drawer', 'Blockly.geras.Highlighter', 'Blockly.geras.RenderInfo', 'Blockly.utils.object', 'Blockly.utils.svgPaths']);