diff --git a/Configuration/StandardSequences/python/RawToDigi_Repacked_cff.py b/Configuration/StandardSequences/python/RawToDigi_Repacked_cff.py
index 6e3cfe37df872..3d64a8c1c4912 100644
--- a/Configuration/StandardSequences/python/RawToDigi_Repacked_cff.py
+++ b/Configuration/StandardSequences/python/RawToDigi_Repacked_cff.py
@@ -35,10 +35,6 @@
     castorDigis,
     scalersRawToDigi)
 
-from Configuration.ProcessModifiers.approxSiStripClusters_cff import approxSiStripClusters
-approxSiStripClusters.toModify(RawToDigiTask, 
-                               RawToDigiTask.copyAndExclude(siStripDigis)) # in case of the approximate cluster wf don't run the 
-
 RawToDigi = cms.Sequence(RawToDigiTask)
 
 RawToDigiTask_woGCT = RawToDigiTask.copyAndExclude([gctDigis])
diff --git a/Configuration/StandardSequences/python/RawToDigi_cff.py b/Configuration/StandardSequences/python/RawToDigi_cff.py
index dd5741969ed8d..e07801a984735 100644
--- a/Configuration/StandardSequences/python/RawToDigi_cff.py
+++ b/Configuration/StandardSequences/python/RawToDigi_cff.py
@@ -91,6 +91,10 @@
 # No Strips in the Phase-2 tracker
 phase2_tracker.toReplaceWith(RawToDigiTask, RawToDigiTask.copyAndExclude([siPixelDigis,siStripDigis])) # FIXME
 
+from Configuration.ProcessModifiers.approxSiStripClusters_cff import approxSiStripClusters
+approxSiStripClusters.toReplaceWith(RawToDigiTask,
+                                    RawToDigiTask.copyAndExclude([siStripDigis])) # in case of the approximate cluster wf don't run the strip unpacker
+
 # add CTPPS 2016 raw-to-digi modules
 from Configuration.Eras.Modifier_ctpps_cff import ctpps