diff --git a/ci/install_h5py.sh b/ci/install_h5py.sh
deleted file mode 100644
index 6702ca879bd5710fc269319b067c598ea0bbff53..0000000000000000000000000000000000000000
--- a/ci/install_h5py.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/bin/bash
-
-apt-get install -y libhdf5-10 libhdf5-dev libhdf5-openmpi-10 libhdf5-openmpi-dev hdf5-tools
-CC=mpicc HDF5_DIR=/usr/lib/x86_64-linux-gnu/hdf5/openmpi HDF5_MPI="ON" pip install --no-binary=h5py h5py
diff --git a/ci/install_mpi4py.sh b/ci/install_mpi4py.sh
deleted file mode 100644
index 41a650d0efc551eb8e59ea798b2bfb76990ae683..0000000000000000000000000000000000000000
--- a/ci/install_mpi4py.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/bin/bash
-
-apt-get install -y openmpi-bin libopenmpi-dev
-pip install mpi4py
-pip3 install mpi4py
diff --git a/ci/requirements.txt b/ci/requirements.txt
index c24a1265b4b484ff2f34c043883e2de67d9dd1eb..cafc6f2d49e912aeb876bb203f97ccf69493fbe1 100644
--- a/ci/requirements.txt
+++ b/ci/requirements.txt
@@ -1,5 +1,4 @@
 numpy
-cython
 matplotlib
 plotly
 nose
@@ -7,4 +6,3 @@ parameterized
 coverage
 git+https://gitlab.mpcdf.mpg.de/ift/mpi_dummy.git
 git+https://gitlab.mpcdf.mpg.de/ift/keepers.git
-git+https://gitlab.mpcdf.mpg.de/ift/D2O.git
diff --git a/ci/requirements_extras.txt b/ci/requirements_extras.txt
deleted file mode 100644
index f0e407a7813488b8f8b8e0e3606f5944f4151c2b..0000000000000000000000000000000000000000
--- a/ci/requirements_extras.txt
+++ /dev/null
@@ -1 +0,0 @@
-ipython==5.3.0