diff --git a/debian/control b/debian/control
index 6963a855b..6e06929b1 100644
--- a/debian/control
+++ b/debian/control
@@ -8,8 +8,8 @@ Build-Depends: build-essential, debhelper (>= 9), libboost-filesystem-dev,
                libecl-dev, git, zlib1g-dev, libtool, doxygen,
                texlive-latex-extra, texlive-latex-recommended, ghostscript,
                libopm-material-dev, libeigen3-dev,
-               libopm-parser-dev, libboost-iostreams-dev, libopm-common-dev,
-               libopm-grid-dev, libdune-grid-dev, libopm-output-dev,
+               libboost-iostreams-dev, libopm-common-dev,
+               libopm-grid-dev, libdune-grid-dev,
                libtrilinos-zoltan-dev, libopenmpi-dev, mpi-default-bin, libewoms-dev
 Standards-Version: 3.9.2
 Section: libs
diff --git a/dune.module b/dune.module
index 512e68a0c..e0fb43221 100644
--- a/dune.module
+++ b/dune.module
@@ -10,4 +10,4 @@ Label: 2018.04-pre
 Maintainer: atgeirr@sintef.no
 MaintainerName: Atgeirr F. Rasmussen
 Url: http://opm-project.org
-Depends: dune-istl (>= 2.4) opm-common opm-parser opm-output opm-material opm-grid ewoms
+Depends: dune-istl (>= 2.4) opm-common opm-material opm-grid ewoms
diff --git a/jenkins/build.sh b/jenkins/build.sh
index 6c9133497..71307e77e 100755
--- a/jenkins/build.sh
+++ b/jenkins/build.sh
@@ -4,21 +4,17 @@
 #set -x
 
 declare -a upstreams
-upstreams=(opm-common
-           libecl
-           opm-parser
-           opm-output
+upstreams=(libecl
+           opm-common
            opm-material
            opm-grid
            ewoms)
 
 declare -A upstreamRev
-upstreamRev[opm-common]=master
 upstreamRev[libecl]=master
-upstreamRev[opm-parser]=master
+upstreamRev[opm-common]=master
 upstreamRev[opm-material]=master
 upstreamRev[opm-grid]=master
-upstreamRev[opm-output]=master
 upstreamRev[ewoms]=master
 
 if grep -q "opm-common=" <<< $ghprbCommentBody
diff --git a/opm-simulators-prereqs.cmake b/opm-simulators-prereqs.cmake
index 834372295..c592be185 100644
--- a/opm-simulators-prereqs.cmake
+++ b/opm-simulators-prereqs.cmake
@@ -39,13 +39,15 @@ set (opm-simulators_DEPS
   "SuperLU"
   # OPM dependency
   "opm-common REQUIRED"
-  "opm-parser REQUIRED"
   "opm-material REQUIRED"
   "opm-grid REQUIRED"
-  "opm-output REQUIRED"
   "ewoms REQUIRED"
   # Eigen
   "Eigen3 3.2.0"
   )
 
 find_package_deps(opm-simulators)
+
+if(NOT HAVE_ECL_INPUT OR NOT HAVE_ECL_OUTPUT)
+  message(FATAL_ERROR "Eclipse input/output support required in opm-common")
+endif()
diff --git a/redhat/opm-simulators.spec b/redhat/opm-simulators.spec
index 74248eba1..c4202d23d 100644
--- a/redhat/opm-simulators.spec
+++ b/redhat/opm-simulators.spec
@@ -1,5 +1,5 @@
 #
-# spec file for package opm-autodiff
+# spec file for package opm-simulators
 #
 
 %define tag rc1
@@ -12,9 +12,9 @@ License:        GPL-3.0
 Group:          Development/Libraries/C and C++
 Url:            http://www.opm-project.org/
 Source0:        https://github.com/OPM/%{name}/archive/release/%{version}/%{tag}.tar.gz#/%{name}-%{version}.tar.gz
-BuildRequires:  blas-devel lapack-devel dune-common-devel opm-output-devel
+BuildRequires:  blas-devel lapack-devel dune-common-devel
 BuildRequires:  git suitesparse-devel doxygen bc devtoolset-6-toolchain 
-BuildRequires:  opm-parser-devel opm-grid-devel
+BuildRequires:  opm-grid-devel
 BuildRequires:  tinyxml-devel dune-istl-devel eigen3-devel ecl-devel ewoms-devel
 %{?el6:BuildRequires: cmake3 boost148-devel}
 %{!?el6:BuildRequires: cmake boost-devel}