--- a/fsleyes/main.py	2018-09-24 17:46:07.756686411 +0200
+++ b/fsleyes/main.py	2018-10-06 14:36:53.328135230 +0200
@@ -325,11 +325,6 @@
         app.SetTopWindow(frame)
         frame.Show()
 
-        # Check that $FSLDIR is set, complain
-        # to the user if it isn't
-        if not namespace[0].skipfslcheck:
-            wx.CallAfter(fslDirWarning, frame)
-
         # Check for updates. Ignore point
         # releases, otherwise users might
         # get swamped with update notifications.