diff --git a/src/core/renderers/webgl/managers/MaskManager.js b/src/core/renderers/webgl/managers/MaskManager.js
index fa8a296..2ff65b5 100644
--- a/src/core/renderers/webgl/managers/MaskManager.js
+++ b/src/core/renderers/webgl/managers/MaskManager.js
@@ -15,7 +15,6 @@
     this.enableScissor = true;
 
     this.alphaMaskPool = [];
-    this.alphaMaskPool = [];
     this.alphaMaskIndex = 0;
 }