diff --git a/platform/chromium/vapi-background.js b/platform/chromium/vapi-background.js
index 6a0a15f..791afb7 100644
--- a/platform/chromium/vapi-background.js
+++ b/platform/chromium/vapi-background.js
@@ -36,7 +36,6 @@ var vAPI = self.vAPI = self.vAPI || {};
 var chrome = self.chrome;
 var manifest = chrome.runtime.getManifest();
 
-vAPI.isMainProcess = true;
 vAPI.chrome = true;
 
 var noopFunc = function(){};