Index: trunk/ippScripts/scripts/diff_skycell.pl
===================================================================
--- trunk/ippScripts/scripts/diff_skycell.pl	(revision 27098)
+++ trunk/ippScripts/scripts/diff_skycell.pl	(revision 27099)
@@ -170,10 +170,6 @@
         $tess_id = $file->{tess_id};
     }
-    if (defined $skycell_id) {
-        &my_die("Skycell identifiers don't match", $diff_id, $skycell_id, $PS_EXIT_SYS_ERROR) unless
-            $file->{skycell_id} eq $skycell_id;
-    } else {
-        $skycell_id = $file->{skycell_id};
-    }
+    &my_die("Skycell identifiers don't match", $diff_id, $skycell_id, $PS_EXIT_SYS_ERROR) unless
+        $file->{skycell_id} eq $skycell_id;
     if (defined $camera) {
         &my_die("Cameras don't match", $diff_id, $skycell_id, $PS_EXIT_SYS_ERROR) unless $file->{camera} eq $camera;