diff --git a/RecoTracker/IterativeTracking/python/DetachedQuadStep_cff.py b/RecoTracker/IterativeTracking/python/DetachedQuadStep_cff.py
index a69b007eb098f..7e855906e9bee 100644
--- a/RecoTracker/IterativeTracking/python/DetachedQuadStep_cff.py
+++ b/RecoTracker/IterativeTracking/python/DetachedQuadStep_cff.py
@@ -1,4 +1,5 @@
 import FWCore.ParameterSet.Config as cms
+from Configuration.StandardSequences.Eras import eras
 import RecoTracker.IterativeTracking.iterativeTkConfig as _cfg
 
 ###############################################
diff --git a/RecoTracker/IterativeTracking/python/DetachedTripletStep_cff.py b/RecoTracker/IterativeTracking/python/DetachedTripletStep_cff.py
index 22bc4d4fbd0d1..4ce92ca9b0b99 100644
--- a/RecoTracker/IterativeTracking/python/DetachedTripletStep_cff.py
+++ b/RecoTracker/IterativeTracking/python/DetachedTripletStep_cff.py
@@ -1,4 +1,5 @@
 import FWCore.ParameterSet.Config as cms
+from Configuration.StandardSequences.Eras import eras
 from Configuration.Eras.Modifier_tracker_apv_vfp30_2016_cff import tracker_apv_vfp30_2016 as _tracker_apv_vfp30_2016
 import RecoTracker.IterativeTracking.iterativeTkConfig as _cfg
 
diff --git a/RecoTracker/IterativeTracking/python/HighPtTripletStep_cff.py b/RecoTracker/IterativeTracking/python/HighPtTripletStep_cff.py
index b6ba1c6868516..1e88d4c7cebfe 100644
--- a/RecoTracker/IterativeTracking/python/HighPtTripletStep_cff.py
+++ b/RecoTracker/IterativeTracking/python/HighPtTripletStep_cff.py
@@ -1,4 +1,5 @@
 import FWCore.ParameterSet.Config as cms
+from Configuration.StandardSequences.Eras import eras
 import RecoTracker.IterativeTracking.iterativeTkConfig as _cfg
 
 ### high-pT triplets ###
diff --git a/RecoTracker/IterativeTracking/python/LowPtQuadStep_cff.py b/RecoTracker/IterativeTracking/python/LowPtQuadStep_cff.py
index 25396f0fe6443..cacd59e299ab2 100644
--- a/RecoTracker/IterativeTracking/python/LowPtQuadStep_cff.py
+++ b/RecoTracker/IterativeTracking/python/LowPtQuadStep_cff.py
@@ -1,4 +1,5 @@
 import FWCore.ParameterSet.Config as cms
+from Configuration.StandardSequences.Eras import eras
 import RecoTracker.IterativeTracking.iterativeTkConfig as _cfg
 
 # NEW CLUSTERS (remove previously used clusters)
diff --git a/RecoTracker/IterativeTracking/python/LowPtTripletStep_cff.py b/RecoTracker/IterativeTracking/python/LowPtTripletStep_cff.py
index 923abaa007a33..42ea88846e2e0 100644
--- a/RecoTracker/IterativeTracking/python/LowPtTripletStep_cff.py
+++ b/RecoTracker/IterativeTracking/python/LowPtTripletStep_cff.py
@@ -1,4 +1,5 @@
 import FWCore.ParameterSet.Config as cms
+from Configuration.StandardSequences.Eras import eras
 from Configuration.Eras.Modifier_tracker_apv_vfp30_2016_cff import tracker_apv_vfp30_2016 as _tracker_apv_vfp30_2016
 import RecoTracker.IterativeTracking.iterativeTkConfig as _cfg
 
diff --git a/RecoTracker/IterativeTracking/python/MixedTripletStep_cff.py b/RecoTracker/IterativeTracking/python/MixedTripletStep_cff.py
index b6f46cf72ce32..8f0324fcfb40b 100644
--- a/RecoTracker/IterativeTracking/python/MixedTripletStep_cff.py
+++ b/RecoTracker/IterativeTracking/python/MixedTripletStep_cff.py
@@ -1,4 +1,5 @@
 import FWCore.ParameterSet.Config as cms
+from Configuration.StandardSequences.Eras import eras
 import RecoTracker.IterativeTracking.iterativeTkConfig as _cfg
 
 ###############################################################
diff --git a/RecoTracker/IterativeTracking/python/PixelLessStep_cff.py b/RecoTracker/IterativeTracking/python/PixelLessStep_cff.py
index 4df8ac317839d..2a4697b371104 100644
--- a/RecoTracker/IterativeTracking/python/PixelLessStep_cff.py
+++ b/RecoTracker/IterativeTracking/python/PixelLessStep_cff.py
@@ -1,4 +1,5 @@
 import FWCore.ParameterSet.Config as cms
+from Configuration.StandardSequences.Eras import eras
 import RecoTracker.IterativeTracking.iterativeTkConfig as _cfg
 
 ##########################################################################
diff --git a/RecoTracker/IterativeTracking/python/PixelPairStep_cff.py b/RecoTracker/IterativeTracking/python/PixelPairStep_cff.py
index 3fef2bb9b098a..385cab7904922 100644
--- a/RecoTracker/IterativeTracking/python/PixelPairStep_cff.py
+++ b/RecoTracker/IterativeTracking/python/PixelPairStep_cff.py
@@ -1,4 +1,5 @@
 import FWCore.ParameterSet.Config as cms
+from Configuration.StandardSequences.Eras import eras
 from Configuration.Eras.Modifier_tracker_apv_vfp30_2016_cff import tracker_apv_vfp30_2016 as _tracker_apv_vfp30_2016
 import RecoTracker.IterativeTracking.iterativeTkConfig as _cfg
 
diff --git a/RecoTracker/IterativeTracking/python/TobTecStep_cff.py b/RecoTracker/IterativeTracking/python/TobTecStep_cff.py
index 464064466516c..c4bf75059a1ef 100644
--- a/RecoTracker/IterativeTracking/python/TobTecStep_cff.py
+++ b/RecoTracker/IterativeTracking/python/TobTecStep_cff.py
@@ -1,4 +1,5 @@
 import FWCore.ParameterSet.Config as cms
+from Configuration.StandardSequences.Eras import eras
 import RecoTracker.IterativeTracking.iterativeTkConfig as _cfg
 
 #######################################################################
diff --git a/Validation/RecoTrack/python/TrackValidation_cff.py b/Validation/RecoTrack/python/TrackValidation_cff.py
index 64b1be2fab12a..4478310afaa38 100644
--- a/Validation/RecoTrack/python/TrackValidation_cff.py
+++ b/Validation/RecoTrack/python/TrackValidation_cff.py
@@ -1,4 +1,5 @@
 import FWCore.ParameterSet.Config as cms
+from Configuration.StandardSequences.Eras import eras
 
 import SimTracker.TrackAssociatorProducers.trackAssociatorByChi2_cfi 
 from SimTracker.TrackAssociatorProducers.quickTrackAssociatorByHits_cfi import *