diff --git a/potentials/CC.Lebedeva b/potentials/CC.Lebedeva
index 930f7b4328..b5599ee0a6 100644
--- a/potentials/CC.Lebedeva
+++ b/potentials/CC.Lebedeva
@@ -1,14 +1,12 @@
-# Lebedeva Potential. Original values from Lebedeva. May be played with ;)
+# DATE: 2018-11-28  UNITS: metal  CONTRIBUTOR: Zbigniew Koziol softquake@gmail.com CITATION: Z. Koziol et al.: https://arxiv.org/abs/1803.05162
 #
-# Cite as: Irina V. Lebedeva, Andrey A. Knizhnik, Andrey M. Popov, Yurii E. Lozovik, Boris V. Potapkin, 
-# Modeling of graphene-based NEMS
-# Physica E 44 (6), 949 (2012)
-# https://doi.org/10.1016/j.physe.2011.07.018
-#
-# Parameters must be in this order as here, otherwise their values may be changed. 
+# Lebedeva Potential. https://doi.org/10.1016/j.physe.2011.07.018
+
+# Parameters must be in this order as here, otherwise their values may be changed.
 # The last one, S, is convenient for scaling the potential amplitude. S is a multiplication factor for A, B, C
 #      A       B           C       z0     alpha   D1      D2       lambda1   lambda2     S
 # These are values according to Levedeva et al
 #C  C   10.510  11.6523.34  35.883  3.34   4.16   -0.86232 0.10049  0.48703   0.46445     1.0
+#
 # These are values by Z. Koziol et al.: https://arxiv.org/abs/1803.05162
 C  C   14.558  21.204  1.8  3.198   4.16   -0.862 0.10049  0.6   0.4     1.0
diff --git a/src/INTERLAYER/pair_drip.cpp b/src/INTERLAYER/pair_drip.cpp
index b1e877e3ee..dd5277e88c 100644
--- a/src/INTERLAYER/pair_drip.cpp
+++ b/src/INTERLAYER/pair_drip.cpp
@@ -142,9 +142,7 @@ double PairDRIP::init_one(int i, int j)
   Param& p = params[iparam_ij];
 
   // max cutoff is the main cutoff plus the normal cutoff such that
-  double cutmax = p.rcut + p.ncut;
-
-  return cutmax;
+  return p.rcut + p.ncut;
 }
 
 /* ----------------------------------------------------------------------
diff --git a/unittest/force-styles/tests/manybody-pair-ilp-graphene-hbn.yaml b/unittest/force-styles/tests/manybody-pair-ilp-graphene-hbn.yaml
index 81f39c1d1d..81f72ec0a9 100644
--- a/unittest/force-styles/tests/manybody-pair-ilp-graphene-hbn.yaml
+++ b/unittest/force-styles/tests/manybody-pair-ilp-graphene-hbn.yaml
@@ -9,7 +9,6 @@ prerequisites: ! |
 pre_commands: ! |
   variable newton_pair delete
   variable newton_pair index on
-  comm_modify cutoff 16.0
 post_commands: ! ""
 input_file: in.bilayer
 pair_style: hybrid/overlay ilp/graphene/hbn 16.0 1