--- a/mobile/android/geckoview/src/androidTest/java/org/mozilla/geckoview/test/TestRunnerActivity.java
+++ b/mobile/android/geckoview/src/androidTest/java/org/mozilla/geckoview/test/TestRunnerActivity.java
@@ -93,20 +93,16 @@ public class TestRunnerActivity extends 
 
     private GeckoSession createSession() {
         return createSession(null);
     }
 
     private GeckoSession createSession(GeckoSessionSettings settings) {
         if (settings == null) {
             settings = new GeckoSessionSettings();
-
-            // We can't use e10s because we get deadlocked when quickly creating and
-            // destroying sessions. Bug 1348361.
-            settings.setBoolean(GeckoSessionSettings.USE_MULTIPROCESS, false);
         }
 
         final GeckoSession session = new GeckoSession(settings);
         session.setNavigationDelegate(mNavigationDelegate);
         return session;
     }
 
     @Override