--- a/browser/components/sessionstore/test/browser_394759_behavior.js
+++ b/browser/components/sessionstore/test/browser_394759_behavior.js
@@ -25,22 +25,16 @@ function testWindows(windowsToOpen, expe
       let features = "chrome,dialog=no," +
                      (winData.isPopup ? "all=no" : "all");
       let url = "http://example.com/?window=" + windowsToOpen.length;
 
       let openWindowPromise = BrowserTestUtils.waitForNewWindow();
       openDialog(getBrowserURL(), "", features, url);
       let win = yield openWindowPromise;
       yield BrowserTestUtils.browserLoaded(win.gBrowser.selectedBrowser);
-
-      if (win.gMultiProcessBrowser) {
-        let tab = win.gBrowser.selectedTab;
-        yield promiseTabRestored(tab);
-      }
-
       yield BrowserTestUtils.closeWindow(win);
     }
 
     let closedWindowData = JSON.parse(ss.getClosedWindowData());
     let numPopups = closedWindowData.filter(function(el, i, arr) {
       return el.isPopup;
     }).length;
     let numNormal = ss.getClosedWindowCount() - numPopups;