diff --git a/types/pixi.js/index.d.ts b/types/pixi.js/index.d.ts
index 48b9583c0b..1875746d6e 100644
--- a/types/pixi.js/index.d.ts
+++ b/types/pixi.js/index.d.ts
@@ -834,7 +834,7 @@ declare namespace PIXI {
         protected _lastObjectRendered: DisplayObject;
 
         resize(screenWidth: number, screenHeight: number): void;
-        generateTexture(displayObject: DisplayObject, scaleMode?: number, resolution?: number): RenderTexture;
+        generateTexture(displayObject: DisplayObject, scaleMode?: number, resolution?: number, region?: Rectangle): RenderTexture;
         render(...args: any[]): void;
         destroy(removeView?: boolean): void;
     }
@@ -948,7 +948,6 @@ declare namespace PIXI {
         extract: extract.WebGLExtract;
         protected drawModes: any;
         protected _activeShader: Shader;
-        protected _activeVao: glCore.VertexArrayObject;
         _activeRenderTarget: RenderTarget;
         protected _initContext(): void;
 
@@ -1032,7 +1031,7 @@ declare namespace PIXI {
 
         update(): void;
         run(): void;
-        unload(): void;
+        unload(displayObject: DisplayObject): void;
     }
     abstract class ObjectRenderer extends WebGLManager {
         constructor(renderer: WebGLRenderer);
@@ -2124,7 +2123,7 @@ declare namespace PIXI {
             protected _tempPoint: Point;
             resolution: number;
             hitTest(globalPoint: Point, root?: Container): DisplayObject;
-            protected setTargetElement(element: HTMLCanvasElement, resolution?: number): void;
+            setTargetElement(element: HTMLCanvasElement, resolution?: number): void;
             protected addEvents(): void;
             protected removeEvents(): void;
             update(deltaTime?: number): void;
@@ -2661,7 +2660,7 @@ declare namespace PIXI {
     //////////////////////////////////////////////////////////////////////////////
     /////////////////////////////pixi-gl-core/////////////////////////////////////
     //////////////////////////////////////////////////////////////////////////////
-    // pixi-gl-core 1.1.2 https://github.com/pixijs/pixi-gl-core
+    // pixi-gl-core 1.1.4 https://github.com/pixijs/pixi-gl-core
     // sharedArrayBuffer as a type is not available yet.
     // need to fully define what an `Attrib` is.
     namespace glCore {
@@ -2813,13 +2812,13 @@ declare namespace PIXI {
             indexBuffer: GLBuffer;
             dirty: boolean;
 
-            bind(): VertexArrayObject;
-            unbind(): VertexArrayObject;
-            activate(): VertexArrayObject;
-            addAttribute(buffer: GLBuffer, attribute: Attrib, type: number, normalized: boolean, stride: number, start: number): VertexArrayObject;
-            addIndex(buffer: GLBuffer, options?: any): VertexArrayObject;
-            clear(): VertexArrayObject;
-            draw(type: number, size: number, start: number): VertexArrayObject;
+            bind(): this;
+            unbind(): this;
+            activate(): this;
+            addAttribute(buffer: GLBuffer, attribute: Attrib, type?: number, normalized?: boolean, stride?: number, start?: number): this;
+            addIndex(buffer: GLBuffer, options?: any): this;
+            clear(): this;
+            draw(type: number, size: number, start: number): this;
             destroy(): void;
         }
     }