Index: /issm/trunk/startup.m
===================================================================
--- /issm/trunk/startup.m	(revision 6860)
+++ /issm/trunk/startup.m	(revision 6861)
@@ -9,10 +9,9 @@
 %   Copyright Jet Propulsion Laboratory. 
 
-global ISSM_TIER ISSM_DIR PETSC_VERSION
-lastwarn(''); % clear the last warning to focus on the warnings of the ISSM path
+% clear the last warning to focus on the warnings of the ISSM path
+lastwarn(''); 
 
 %Recover ISSM_TIER, ISSM_DIR  and USERNAME
 ISSM_TIER=getenv('ISSM_TIER');
-ISSM_DIR=getenv('ISSM_DIR');
 USERNAME =getenv('USER');
 if (isempty(ISSM_TIER)),
@@ -61,7 +60,4 @@
 clear USERNAME;
 
-%last thing, recover petsc version:
-PETSC_VERSION=petscversion(ISSM_TIER);
-
 %disable matlab bell!
 beep off;