diff --git a/conf/sanger.config b/conf/sanger.config
index 26eef553f..8e71199a9 100644
--- a/conf/sanger.config
+++ b/conf/sanger.config
@@ -3,7 +3,6 @@ params {
     config_profile_description = 'The Wellcome Sanger Institute HPC cluster (farm5) profile'
     config_profile_contact = 'Priyanka Surana (@priyanka-surana)'
     config_profile_url = 'https://www.sanger.ac.uk'
-    mem1= 12000
 }
 
 // Queue and retry strategy