diff --git a/src/Symbols/PointSymbol.js b/src/Symbols/PointSymbol.js
index 4aec3e6..e2764c5 100644
--- a/src/Symbols/PointSymbol.js
+++ b/src/Symbols/PointSymbol.js
@@ -58,7 +58,7 @@ export var PointSymbol = Symbol.extend({
   },
 
   _fillStyles: function () {
-    if (this._symbolJson.outline && this._symbolJson.size > 0) {
+    if (this._symbolJson.outline && this._symbolJson.size > 0 && this._symbolJson.outline.style !== 'esriSLSNull') {
       this._styles.stroke = true;
       this._styles.weight = this.pixelValue(this._symbolJson.outline.width);
       this._styles.color = this.colorValue(this._symbolJson.outline.color);
diff --git a/src/Symbols/PolygonSymbol.js b/src/Symbols/PolygonSymbol.js
index 07b2b4e..82b6603 100644
--- a/src/Symbols/PolygonSymbol.js
+++ b/src/Symbols/PolygonSymbol.js
@@ -9,7 +9,11 @@ export var PolygonSymbol = Symbol.extend({
   initialize: function (symbolJson, options) {
     Symbol.prototype.initialize.call(this, symbolJson, options);
     if (symbolJson) {
-      this._lineStyles = lineSymbol(symbolJson.outline, options).style();
+      if (symbolJson.outline && symbolJson.outline.style === 'esriSLSNull') {
+        this._lineStyles = { weight: 0 };
+      } else {
+        this._lineStyles = lineSymbol(symbolJson.outline, options).style();
+      }
       this._fillStyles();
     }
   },