diff --git a/lhcbnightlyconf/Gauss.py b/lhcbnightlyconf/Gauss.py
index 83a6e79bfc54c7f7deafe0965d8e174e01206dc0..99882c17e034973daec47a80aa18caad60f27dd6 100644
--- a/lhcbnightlyconf/Gauss.py
+++ b/lhcbnightlyconf/Gauss.py
@@ -322,20 +322,6 @@ gaussLamarr.projects.append(
     ]))
 slots.append(gaussLamarr)
 
-# Slot for Gauss with fast Calorimeter development
-gaussFastCalo = create_sim_slot(
-    'lhcb-gauss-fast',
-    'Development build of Gauss indentical to lhcb-gauss-dev to check fast calorimeter options',
-    platforms=SIM10_PLATFORMS)
-gaussFastCalo.projects.append(
-    DBASE(packages=[
-        Package(
-            'FastCaloSimData', 'HEAD', checkout=('git', {
-                'merges': 'all'
-            }))
-    ]))
-slots.append(gaussFastCalo)
-
 # Slot for Gaussino and Gauss-on-Gaussino
 gaussino = create_gaussino_slot(
     'lhcb-gaussino',