diff --git a/src/olcs.ts b/src/olcs.ts
index 3b09aa07e..06e573f25 100644
--- a/src/olcs.ts
+++ b/src/olcs.ts
@@ -21,25 +21,36 @@ export {default as ContribManager} from './olcs/contrib/Manager';
 export {default as ContribLazyLoader} from './olcs/contrib/LazyLoader';
 
 // Deprecated export of olcs on window
+// @ts-ignore
 const olcs = window['olcs'] = {};
+// @ts-ignore
 olcs.OLCesium = OLCesium;
 
 import {default as AbstractSynchronizer} from './olcs/AbstractSynchronizer';
 import {default as RasterSynchronizer} from './olcs/RasterSynchronizer';
 import {default as VectorSynchronizer} from './olcs/VectorSynchronizer';
+// @ts-ignore
 olcs.AbstractSynchronizer = AbstractSynchronizer;
+// @ts-ignore
 olcs.RasterSynchronizer = RasterSynchronizer;
+// @ts-ignore
 olcs.VectorSynchronizer = VectorSynchronizer;
 
 import * as core from './olcs/core';
 import {default as OLImageryProvider} from './olcs/core/OLImageryProvider';
 import {default as VectorLayerCounterpart} from './olcs/core/VectorLayerCounterpart';
+// @ts-ignore
 olcs.core = core;
+// @ts-ignore
 olcs.core.OLImageryProvider = OLImageryProvider;
+// @ts-ignore
 olcs.core.VectorLayerCounterpart = VectorLayerCounterpart;
 
+// @ts-ignore
 olcs.contrib = {};
 import {default as ContribManager} from './olcs/contrib/Manager';
 import {default as ContribLazyLoader} from './olcs/contrib/LazyLoader';
+// @ts-ignore
 olcs.contrib.LazyLoader = ContribLazyLoader;
+// @ts-ignore
 olcs.contrib.Manager = ContribManager;