diff --git a/Projects/Athena/package_filters.txt b/Projects/Athena/package_filters.txt
index 5a26e9a830f9e10eff6a784899885804deb217c6..d53ba75d8257def09069da5ce407aa34a218b0c2 100644
--- a/Projects/Athena/package_filters.txt
+++ b/Projects/Athena/package_filters.txt
@@ -54,7 +54,6 @@
 
 # Huge D3PD librarys not really useful any more
 - PhysicsAnalysis/D3PDMaker/InDetD3PDMaker
-- PhysicsAnalysis/D3PDMaker/CaloSysD3PDMaker
 
 # Don't build PerfMonVTune which has external Intel tool dependency
 - Control/PerformanceMonitoring/PerfMonVTune