diff --git a/conda/beat-devel/meta.yaml b/conda/beat-devel/meta.yaml
index 58aec6db2e3e85b6f6eb52cfdababffc34907756..9fbc80cbe3aae939152cc1816307391602f2b487 100644
--- a/conda/beat-devel/meta.yaml
+++ b/conda/beat-devel/meta.yaml
@@ -2,7 +2,7 @@
 {% set nopin = ['ca-certificates', 'certifi', 'openssl', 'libstdcxx-ng', 'libgcc-ng', 'libcxx', 'libcxxabi'] %}
 package:
   name: beat-devel
-  version: 2019.08.04
+  version: 2019.08.07
 
 build:
   # the build number must be zero all the time.
@@ -16,7 +16,7 @@ requirements:
   host:
     - python {{ python }}
     - bob-devel 2019.08.04
-    - docker-py 3.6.0
+    - docker-py 4.0.2
     - flask 1.0.2
     - flask-cors 3.0.7
     - flask-restful 0.3.6
diff --git a/conda/black/meta.yaml b/conda/black/meta.yaml
deleted file mode 100644
index 1a74082ba1c46953155f2377962b4229140bba3d..0000000000000000000000000000000000000000
--- a/conda/black/meta.yaml
+++ /dev/null
@@ -1,52 +0,0 @@
-{% set name = "black" %}
-{% set version = "18.9b0" %}
-{% set sha256 = "e030a9a28f542debc08acceb273f228ac422798e5215ba2a791a6ddeaaca22a5" %}
-
-package:
-  name: {{ name|lower }}
-  version: {{ version }}
-
-source:
-  fn: {{ name }}-{{ version }}.tar.gz
-  url: https://pypi.io/packages/source/{{ name[0] }}/{{ name }}/{{ name }}-{{ version }}.tar.gz
-  sha256: {{ sha256 }}
-
-build:
-  number: 0
-  script: "{{ PYTHON }} -m pip install --no-deps --ignore-installed --no-cache-dir ."
-  entry_points:
-    - black = black:main
-
-requirements:
-  host:
-    - python
-    - pip
-  run:
-    - python
-    - click >=6.5
-    - attrs >=18.1.0
-    - appdirs
-    - toml >=0.9.4
-
-test:
-  commands:
-    - black --help
-
-about:
-  home: https://github.com/ambv/black
-  license: MIT
-  license_family: MIT
-  license_file: LICENSE
-  summary: 'The Uncompromising Code Formatter'
-
-  description: |
-    Black is the uncompromising Python code formatter. By using it, you agree
-    to cease control over minutiae of hand-formatting. In return, Black gives
-    you speed, determinism, and freedom from pycodestyle nagging about
-    formatting. You will save time and mental energy for more important matters.
-  doc_url: https://github.com/ambv/black
-  dev_url: https://github.com/ambv/black
-
-extra:
-  recipe-maintainers:
-    - sgaist
diff --git a/conda/docker-py/meta.yaml b/conda/docker-py/meta.yaml
deleted file mode 100644
index 2e39f04e842e201505cbd47f31abd63da3e027b8..0000000000000000000000000000000000000000
--- a/conda/docker-py/meta.yaml
+++ /dev/null
@@ -1,60 +0,0 @@
-{% set version = "3.6.0" %}
-
-package:
-  name: docker-py
-  version: {{ version }}
-
-source:
-  url: https://github.com/docker/docker-py/archive/{{ version }}.tar.gz
-  sha256: f755d044eb27c63486fe7dcfef7f1f5500456e23f3142a5b237a0ab504267a22
-
-build:
-  number: 0
-  script: python -m pip install --no-deps --ignore-installed .
-
-requirements:
-  build:
-    - python
-    - setuptools
-    - pip
-  run:
-    - python
-    - requests >=2.14.2
-    - six >=1.10.0
-    - websocket-client >=0.32.0
-    - docker-pycreds  >=0.3.0
-    - ssl_match_hostname >=3.5  # [py<35]
-    - ipaddress >=1.0.18  # [py<33]
-    - pypiwin32 >=219  # [win32]
-    - appdirs >=1.4.3
-    - asn1crypto >=0.22.0
-    - cffi >=1.10.0
-    - cryptography >=1.9
-    - docker-pycreds >=0.2.1
-    - enum34 >=1.1.6  # [py<34]
-    - idna >=2.5
-    - packaging >=16.8
-    - pycparser >=2.17
-    - pyopenssl >=17.0.0
-    - pyparsing >=2.2.0
-    - websocket-client >=0.40.0
-
-test:
-  imports:
-    - docker
-    - docker.api
-    - docker.auth
-    - docker.tls
-    - docker.utils
-    - docker.utils.ports
-    - docker.transport.unixconn
-
-about:
-  home: https://github.com/docker/docker-py/
-  license: Apache 2.0
-  license_file: LICENSE
-  summary: 'Python client for Docker.'
-
-extra:
-  recipe-maintainers:
-    - anjos
diff --git a/conda/docker-pycreds/meta.yaml b/conda/docker-pycreds/meta.yaml
deleted file mode 100644
index 8470de4547416451a891b4bb44df148e05472c1a..0000000000000000000000000000000000000000
--- a/conda/docker-pycreds/meta.yaml
+++ /dev/null
@@ -1,39 +0,0 @@
-{% set version = "0.3.0" %}
-
-package:
-  name: docker-pycreds
-  version: {{ version }}
-
-source:
-  fn: docker-pycreds-{{ version }}.tar.gz
-  url: https://github.com/shin-/dockerpy-creds/archive/{{ version }}.tar.gz
-  sha256: 3660a5e9fc7c2816ab967e4bdb4802f211e35011357ae612a601d6944721e153
-
-build:
-  number: 0
-  script: python -m pip install --no-deps --ignore-installed .
-
-requirements:
-  build:
-    - pip
-    - python
-    - setuptools
-    - six >=1.4.0
-  run:
-    - python
-    - six >=1.4.0
-
-test: #this requires docker support for testing...
-  imports:
-    - dockerpycreds
-
-about:
-  home: https://github.com/shin-/docker-pycreds/
-  license: Apache-2.0
-  summary: 'Python bindings for the docker credentials store API'
-  license_file: LICENSE
-  license_family: Apache
-
-extra:
-  recipe-maintainers:
-    - anjos
diff --git a/conda/websocket-client/meta.yaml b/conda/websocket-client/meta.yaml
deleted file mode 100644
index 2a890581afc1063344546fbc7fc63187b38968cf..0000000000000000000000000000000000000000
--- a/conda/websocket-client/meta.yaml
+++ /dev/null
@@ -1,53 +0,0 @@
-{% set name = "websocket-client" %}
-{% set snakename = "websocket_client" %}
-{% set bundle = "tar.gz" %}
-{% set version = "0.54.0" %}
-{% set hash_type = "sha256" %}
-{% set hash_val = "e51562c91ddb8148e791f0155fdb01325d99bb52c4cdbb291aee7a3563fd0849" %}
-
-package:
-  name: {{ name }}
-  version: {{ version }}
-
-source:
-  fn: {{ name }}-{{ version }}.{{ bundle }}
-  url: https://pypi.io/packages/source/{{ name[0] }}/{{ snakename }}/{{ snakename }}-{{ version }}.{{ bundle }}
-  {{ hash_type }}: {{ hash_val }}
-
-build:
-  number: 0
-  script: python -m pip install --no-deps --ignore-installed .
-
-requirements:
-  build:
-    - pip
-    - python
-    - setuptools
-
-  run:
-    - python
-    - six
-
-test:
-  requires:
-    - nose
-    - coverage
-
-  imports:
-    - websocket
-    - websocket.tests
-
-  commands:
-    - TEST_WITH_INTERNET=1 nosetests -v --with-coverage --cover-package=websocket websocket --exclude=".*testKeepRunning.*"
-    - conda inspect linkages -p $PREFIX {{ name }}  # [not win]
-    - conda inspect objects -p $PREFIX {{ name }}  # [osx]
-
-about:
-  home: https://github.com/liris/websocket-client
-  license: LGPL 2.1
-  license_family: LGPL
-  summary: 'WebSocket client for python. hybi13 is supported.'
-
-extra:
-  recipe-maintainers:
-    - anjos
diff --git a/python.txt b/python.txt
index 98683713f3d3e36633e1c3af2382de814ab768bc..80b5c9f2e42b5d6639e922b166e114eb6d68329d 100644
--- a/python.txt
+++ b/python.txt
@@ -11,15 +11,11 @@ conda/pyedflib
 conda/schema
 conda/mido
 conda/madmom
-conda/docker-pycreds
-conda/websocket-client
-conda/docker-py
 conda/oset
 conda/sphinxcontrib-programoutput
 conda/sphinxcontrib-httpdomain
 conda/aniso8601
 conda/flask-restful
-conda/black
 conda/aspy.yaml
 conda/cfgv
 conda/identify