diff --git a/appveyor.yml b/appveyor.yml
index 28d874fbe4c5ced24e0f62baa4f5953b53bb97b0..864366c3a569f3ac69259ea632d2f484a3c999f8 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -36,7 +36,7 @@ install:
   #- choco install -y vcredist2015
   - "%CMD_IN_ENV% conda config --set always_yes yes --set changeps1 no"
   - "%CMD_IN_ENV% conda config --add channels inso/channel/sakia"
-  - "%CMD_IN_ENV% conda create -q -n test-environment python=%PYTHON_VERSION% pyqt5=5.6 libsodium=1.0.3 setuptools=19.2"
+  - "%CMD_IN_ENV% conda create -q -n test-environment python=%PYTHON_VERSION% libsodium=1.0.3 setuptools=19.2"
 
 build_script:
   - ".\\ci\\appveyor\\build.cmd"
diff --git a/ci/travis/build.sh b/ci/travis/build.sh
index 53100bf251161941e5f9e0e36737de2fe78c6b7b..cef5d184e35b9831a63fdccf707ba1a0cbece0ad 100755
--- a/ci/travis/build.sh
+++ b/ci/travis/build.sh
@@ -12,7 +12,6 @@ pyenv rehash
 pip install coveralls
 pip install pytest-cov
 pip install pyinstaller==3.2
-pip install PyQt5==5.8.2
 pip install -r requirements.txt
 if [ $TRAVIS_OS_NAME == "linux" ]
 then