diff --git a/opentasks/src/main/java/org/dmfs/tasks/EditTaskActivity.java b/opentasks/src/main/java/org/dmfs/tasks/EditTaskActivity.java
index 707258c37..d97e7a70d 100644
--- a/opentasks/src/main/java/org/dmfs/tasks/EditTaskActivity.java
+++ b/opentasks/src/main/java/org/dmfs/tasks/EditTaskActivity.java
@@ -173,10 +173,6 @@ public void onAttachFragment(Fragment fragment)
         {
             mEditFragment = (EditTaskFragment) fragment;
         }
-        else
-        {
-            throw new IllegalArgumentException("Invalid fragment attached: " + fragment.getClass().getCanonicalName());
-        }
     }