diff --git a/set_env_vars b/set_env_vars
index 28a0f4e911a85f09682b08aad2cdb109e4470a4a..b3e2ca91d33b63ec3fd40f23c54d546cb0f634f2 100644
--- a/set_env_vars
+++ b/set_env_vars
@@ -35,4 +35,3 @@ export SCONSFLAGS="exceptions=1 x86=1 tool=1 hprof=0 cpuprof=0 lm_required=false
 # adjust to your SVN username
 #export SVN_USERNAME=$USER
 
-source ./set_testing_env_vars