diff --git a/addons/addon-webgl/src/GlyphRenderer.ts b/addons/addon-webgl/src/GlyphRenderer.ts
index 1efde442e..650fc451a 100644
--- a/addons/addon-webgl/src/GlyphRenderer.ts
+++ b/addons/addon-webgl/src/GlyphRenderer.ts
@@ -137,8 +137,9 @@ export class GlyphRenderer extends Disposable {
     this._textureLocation = throwIfFalsy(gl.getUniformLocation(this._program, 'u_texture'));
 
     // Create and set the vertex array object
-    this._vertexArrayObject = gl.createVertexArray();
-    gl.bindVertexArray(this._vertexArrayObject);
+    const vertexArrayObject = this._vertexArrayObject = gl.createVertexArray();
+    this._register(toDisposable(() => gl.deleteVertexArray(vertexArrayObject)));
+    gl.bindVertexArray(vertexArrayObject);
 
     // Setup a_unitquad, this defines the 4 vertices of a rectangle
     const unitQuadVertices = new Float32Array([0, 0, 1, 0, 0, 1, 1, 1]);
diff --git a/addons/addon-webgl/src/RectangleRenderer.ts b/addons/addon-webgl/src/RectangleRenderer.ts
index 6da92be13..eebfda3b3 100644
--- a/addons/addon-webgl/src/RectangleRenderer.ts
+++ b/addons/addon-webgl/src/RectangleRenderer.ts
@@ -104,8 +104,9 @@ export class RectangleRenderer extends Disposable {
     this._projectionLocation = throwIfFalsy(gl.getUniformLocation(this._program, 'u_projection'));
 
     // Create and set the vertex array object
-    this._vertexArrayObject = gl.createVertexArray();
-    gl.bindVertexArray(this._vertexArrayObject);
+    const vertexArrayObject = this._vertexArrayObject = gl.createVertexArray();
+    this._register(toDisposable(() => gl.deleteVertexArray(vertexArrayObject)));
+    gl.bindVertexArray(vertexArrayObject);
 
     // Setup a_unitquad, this defines the 4 vertices of a rectangle
     const unitQuadVertices = new Float32Array([0, 0, 1, 0, 0, 1, 1, 1]);
diff --git a/addons/addon-webgl/src/Types.ts b/addons/addon-webgl/src/Types.ts
index 67c9408d6..294582e37 100644
--- a/addons/addon-webgl/src/Types.ts
+++ b/addons/addon-webgl/src/Types.ts
@@ -28,6 +28,7 @@ export interface ICursorRenderModel {
 export interface IWebGL2RenderingContext extends WebGLRenderingContext {
   vertexAttribDivisor(index: number, divisor: number): void;
   createVertexArray(): IWebGLVertexArrayObject;
+  deleteVertexArray(vao: IWebGLVertexArrayObject): void;
   bindVertexArray(vao: IWebGLVertexArrayObject): void;
   drawElementsInstanced(mode: number, count: number, type: number, offset: number, instanceCount: number): void;
 }