diff --git a/src/pixi/renderers/webgl/utils/WebGLMaskManager.js b/src/pixi/renderers/webgl/utils/WebGLMaskManager.js
index dee407e..f7a99d8 100644
--- a/src/pixi/renderers/webgl/utils/WebGLMaskManager.js
+++ b/src/pixi/renderers/webgl/utils/WebGLMaskManager.js
@@ -14,9 +14,6 @@
     this.maskPosition = 0;
 
     this.setContext(gl);
-
-    this.reverse = false;
-    this.count = 0;
 };
 
 /**
@@ -70,4 +67,4 @@
 {
     this.maskStack = null;
     this.gl = null;
-};
\ No newline at end of file
+};