diff --git a/bin/laxer b/bin/laxer
index d613ae5..aab6f98 100644
--- a/bin/laxer
+++ b/bin/laxer
@@ -73,8 +73,6 @@ def main():
     elif args.SCIENCERUN == 1:
         LAX_LICHENS = [sciencerun1.AllEnergy(),
                        sciencerun1.LowEnergyRn220(),
-                       sciencerun1.LowEnergyAmBe(),
-                       sciencerun1.LowEnergyNG(),
                        sciencerun1.LowEnergyBackground()]
 
     TREENAME = 'tree'
diff --git a/lax/lichens/sciencerun1.py b/lax/lichens/sciencerun1.py
index c5c1ffb..46e9ac1 100644
--- a/lax/lichens/sciencerun1.py
+++ b/lax/lichens/sciencerun1.py
@@ -69,8 +69,8 @@ def __init__(self):
 class LowEnergyBackground(LowEnergyRn220):
     """Select background events with cs1<200
 
-    This is the list that we'll use for the actual DM search. Additionally to the
-    LowEnergyRn220 list it contains the PreS2Junk
+    This is the list that we'll use for the actual DM search. In addition to the
+    LowEnergyRn220 list, it contains S2Tails and PreS2Junk.
     """
 
     def __init__(self):
@@ -81,32 +81,6 @@ def __init__(self):
         ]
 
 
-class LowEnergyAmBe(LowEnergyRn220):
-    """Select AmBe events with cs1<200 with appropriate cuts
-
-    It is the same as the LowEnergyRn220 cuts, except uses an AmBe fiducial.
-    """
-
-    def __init__(self):
-        LowEnergyRn220.__init__(self)
-
-        # Replaces Fiducial
-        self.lichen_list[0] = AmBeFiducial()
-
-
-class LowEnergyNG(LowEnergyRn220):
-    """Select AmBe events with cs1<200 with appropriate cuts
-
-    It is the same as the LowEnergyRn220 cuts, except uses an AmBe fiducial.
-    """
-
-    def __init__(self):
-        LowEnergyRn220.__init__(self)
-
-        # Replaces Fiducial
-        self.lichen_list[0] = NGFiducial()
-
-
 DAQVeto = sciencerun0.DAQVeto
 
 class S2Tails(Lichen):