diff --git a/test/SConscript b/test/SConscript
index 0ac30c3d6..516a4af68 100644
--- a/test/SConscript
+++ b/test/SConscript
@@ -10,7 +10,7 @@ localenv.Append(LIBS=['gtest'] + localenv['cantera_libs'],
                 CCFLAGS=env['warning_flags'])
 
 #localenv['ENV']['PYTHONPATH'] = Dir('#interfaces/python').abspath 
-localenv['ENV']['PYTHONPATH'] = Dir('#interfaces/python').abspath + ':/usr/netpub/numpy/numpy-1.6.2/lib/python2.7/site-packages'
+localenv['ENV']['PYTHONPATH'] = Dir('#interfaces/python').abspath
 localenv['ENV']['CANTERA_DATA'] = Dir('#build/data').abspath
 
 #print localenv.Dump()
diff --git a/test_problems/SConscript b/test_problems/SConscript
index bddb97e9b..61a52cb81 100644
--- a/test_problems/SConscript
+++ b/test_problems/SConscript
@@ -5,7 +5,7 @@ localenv = env.Clone()
 localenv.Prepend(CPPPATH=['#include', '#src', 'shared'])
 localenv.Append(CCFLAGS=env['warning_flags'])
 
-os.environ['PYTHONPATH'] = pjoin(os.getcwd(), '..', 'interfaces', 'python') +  ':/usr/netpub/numpy/numpy-1.6.2/lib/python2.7/site-packages'
+os.environ['PYTHONPATH'] = pjoin(os.getcwd(), '..', 'interfaces', 'python')
 
 os.environ['CANTERA_DATA'] = pjoin(os.getcwd(), '..', 'build', 'data')