diff --git a/src/core/renderers/webgl/shaders/TextureShader.js b/src/core/renderers/webgl/shaders/TextureShader.js
index 9189434..dee908d 100644
--- a/src/core/renderers/webgl/shaders/TextureShader.js
+++ b/src/core/renderers/webgl/shaders/TextureShader.js
@@ -56,8 +56,6 @@
         'varying vec2 vTextureCoord;',
         'varying vec4 vColor;',
 
-        'const vec2 center = vec2(-1.0, 1.0);',
-
         'void main(void){',
         '   gl_Position = vec4((projectionMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);',
         '   vTextureCoord = aTextureCoord;',

diff --git a/src/core/renderers/webgl/shaders/TextureShader.js b/src/core/renderers/webgl/shaders/TextureShader.js
index 9189434..dee908d 100644
--- a/src/core/renderers/webgl/shaders/TextureShader.js
+++ b/src/core/renderers/webgl/shaders/TextureShader.js
@@ -56,8 +56,6 @@
         'varying vec2 vTextureCoord;',
         'varying vec4 vColor;',
 
-        'const vec2 center = vec2(-1.0, 1.0);',
-
         'void main(void){',
         '   gl_Position = vec4((projectionMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);',
         '   vTextureCoord = aTextureCoord;',
diff --git a/src/core/sprites/webgl/SpriteRenderer.js b/src/core/sprites/webgl/SpriteRenderer.js
index b64a236..0f76f78 100644
--- a/src/core/sprites/webgl/SpriteRenderer.js
+++ b/src/core/sprites/webgl/SpriteRenderer.js
@@ -234,11 +234,11 @@
     }
     else
     {
-        w0 = (texture.frame.width ) * (1-aX);
-        w1 = (texture.frame.width ) * -aX;
+        w0 = (texture._frame.width ) * (1-aX);
+        w1 = (texture._frame.width ) * -aX;
 
-        h0 = texture.frame.height * (1-aY);
-        h1 = texture.frame.height * -aY;
+        h0 = texture._frame.height * (1-aY);
+        h1 = texture._frame.height * -aY;
     }
 
     var index = this.currentBatchSize * this.vertByteSize;