diff --git a/RecoVertex/PrimaryVertexProducer/python/OfflinePrimaryVertices_cfi.py b/RecoVertex/PrimaryVertexProducer/python/OfflinePrimaryVertices_cfi.py
index 5d94ec6333e6f..7c32405e7cf4b 100644
--- a/RecoVertex/PrimaryVertexProducer/python/OfflinePrimaryVertices_cfi.py
+++ b/RecoVertex/PrimaryVertexProducer/python/OfflinePrimaryVertices_cfi.py
@@ -17,7 +17,7 @@
     ),
 
     TkClusParameters = cms.PSet(
-        algorithm   = cms.string("DA"),
+        algorithm   = cms.string("DA_vect"),
         TkDAClusParameters = cms.PSet(
             coolingFactor = cms.double(0.6),  #  moderate annealing speed
             Tmin = cms.double(4.),            #  end of annealing
@@ -47,7 +47,3 @@
                                         
 )
 
-# These lines should be uncommented only for the gcc4X builds, with X>=6
-offlinePrimaryVertices.TkClusParameters.algorithm = cms.string("DA_vect" )
-offlinePrimaryVertices.TkClusParameters.TkDAClusParameters.use_vdt = cms.untracked.bool( True )
-