diff --git a/conf/jobs_real-from-ideal.yaml b/conf/jobs_real-from-ideal.yaml
index 606315658cef29b3dc5c7f5f213f5e34571ba3f1..07039fcc169a69706a326b469dbdd083abc76292 100644
--- a/conf/jobs_real-from-ideal.yaml
+++ b/conf/jobs_real-from-ideal.yaml
@@ -118,7 +118,6 @@ JOBS:
     WALLCLOCK: 01:00
     RUNNING: chunk
     PROCESSORS: 16
-    CUSTOM_DIRECTIVES: [ "export OMPI_MCA_btl_tcp_if_include=10.0.0.0/8" ]
 
   COMPRESS:
     FILE: templates/common/compress.py