diff --git a/cfg/main/mb11_cfg.py b/cfg/main/mb11_cfg.py
index 9d0ea4dc..77f0b962 100644
--- a/cfg/main/mb11_cfg.py
+++ b/cfg/main/mb11_cfg.py
@@ -2,8 +2,6 @@ Node('mb11.psi.ch',
      'MB11 11 Tesla - 100 mm cryomagnet',
 )
 
-sea_cfg = 'mb11.config'
-
 Mod('itc1',
     'frappy_psi.mercury.IO',
     'ITC for heat exchanger and pressures',