diff --git a/science/lammps/Makefile b/science/lammps/Makefile
index 6be815b63802..7b6d08b429f3 100644
--- a/science/lammps/Makefile
+++ b/science/lammps/Makefile
@@ -2,13 +2,8 @@
 
 PORTNAME=	lammps
 PORTVERSION=	${GH_TAGNAME:C/(stable|patch)_([0-9]{1,2})([A-Z][a-z][a-z])([0-9]{4})/\4.\3.\2/S/Jan/01/S/Feb/02/S/Mar/03/S/Apr/04/S/May/05/S/Jun/06/S/Jul/07/S/Aug/08/S/Sep/09/S/Oct/10/S/Nov/11/S/Dec/12/}
-PORTREVISION=	1
 CATEGORIES=	science
 
-PATCH_SITES=	https://github.com/${PORTNAME}/${PORTNAME}/commit/
-PATCHFILES=	e8d891c0ddb78c5be220fb9ccdcdbba1fa24509f.patch:-p1 \
-		0bb9df76c2d132e66e79f482432ac2f33ec9781e.patch:-p1 # fix of potentials and frc folder installation: https://github.com/lammps/lammps/pull/1588
-
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Classical molecular dynamics code with a focus on materials modeling
 
@@ -20,7 +15,7 @@ CONFLICTS_BUILD=	ga # conflicts with include/error.h, already fixed in the head
 
 USES=		blaslapack:openblas cmake:noninja eigen:3 fortran localbase:ldflags shebangfix
 USE_GITHUB=	yes
-GH_TAGNAME=	patch_19Jul2019
+GH_TAGNAME=	patch_2Aug2019
 SHEBANG_GLOB=	*.sh *.bash
 SHEBANG_FILES=	lib/kokkos/bin/nvcc_wrapper
 
diff --git a/science/lammps/distinfo b/science/lammps/distinfo
index fa2a17d06180..6266c43d11c1 100644
--- a/science/lammps/distinfo
+++ b/science/lammps/distinfo
@@ -1,7 +1,3 @@
-TIMESTAMP = 1564163432
-SHA256 (lammps-lammps-2019.07.19-patch_19Jul2019_GH0.tar.gz) = 12f0b21c9c1c8a5a34fa6126a4cc5157e1c97c28b05b67385d38784a42e227ae
-SIZE (lammps-lammps-2019.07.19-patch_19Jul2019_GH0.tar.gz) = 105373936
-SHA256 (e8d891c0ddb78c5be220fb9ccdcdbba1fa24509f.patch) = 3c09e1681fecdb41bb5e90fa83a34a9e91f0e3ef2dd50b9b75cf63b50102709b
-SIZE (e8d891c0ddb78c5be220fb9ccdcdbba1fa24509f.patch) = 1543
-SHA256 (0bb9df76c2d132e66e79f482432ac2f33ec9781e.patch) = 5a31c2f4e59872c4ae5cc409009951a15c286185d98518bd554792da3eb2ad45
-SIZE (0bb9df76c2d132e66e79f482432ac2f33ec9781e.patch) = 1666
+TIMESTAMP = 1564809360
+SHA256 (lammps-lammps-2019.08.2-patch_2Aug2019_GH0.tar.gz) = fd5c23cd0a372a195016754128f5a06cb7a576522b495acb21e9f05539ad8fe2
+SIZE (lammps-lammps-2019.08.2-patch_2Aug2019_GH0.tar.gz) = 105313505
diff --git a/science/lammps/pkg-plist b/science/lammps/pkg-plist
index 3b93f93221bd..a89c0ee33dd3 100644
--- a/science/lammps/pkg-plist
+++ b/science/lammps/pkg-plist
@@ -2,16 +2,6 @@ bin/lmp
 etc/profile.d/lammps.csh
 etc/profile.d/lammps.sh
 man/man1/lmp.1.gz
-%%DATADIR%%/frc_files/README
-%%DATADIR%%/frc_files/cff91.frc
-%%DATADIR%%/frc_files/clayff.frc
-%%DATADIR%%/frc_files/compass_published.frc
-%%DATADIR%%/frc_files/cvff.frc
-%%DATADIR%%/frc_files/cvff_aug.frc
-%%DATADIR%%/frc_files/oplsaa.frc
-%%DATADIR%%/frc_files/pcff.frc
-%%DATADIR%%/frc_files/pcff.rlb
-%%DATADIR%%/frc_files/pcff_templates.dat
 %%DATADIR%%/potentials/Ag_u3.eam
 %%DATADIR%%/potentials/AlCu.adp
 %%DATADIR%%/potentials/AlCu.bop.table