diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4774f9dcf11a469ce9511dcd2feb5c076da097fc..e9ca03ceff71752156d6681f7b364f9cd21ed45c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -172,7 +172,7 @@ gcc_9_python:
   cache:
     key: "gcc_9-$CI_COMMIT_REF_SLUG"
     paths:
-      - $BUILD_FOLDER
+      - build
 
   artifacts:
     expire_in: 1 hrs
@@ -213,7 +213,7 @@ msvc_16_unit_tests:
 
   script:
     - cd $CI_PROJECT_DIR/build
-    - ctest -C debug
+    - ctest -C Release
 
 ###############################################################################
 gcc_9_python_bindings_test:
diff --git a/setup.py b/setup.py
index 1821701eef7a53a5e967266ae176aa4b4663666c..6f4ff71b014dbafa8800af234cf715f5207fb2a8 100644
--- a/setup.py
+++ b/setup.py
@@ -9,9 +9,6 @@ from setuptools.command.build_ext import build_ext
 from distutils.version import LooseVersion
 
 vf_cmake_args = [
-    "-DCMAKE_CXX_COMPILER_LAUNCHER=ccache",
-    "-DCMAKE_CUDA_COMPILER_LAUNCHER=ccache",
-    "-DCMAKE_C_COMPILER_LAUNCHER=ccache",
     "-DBUILD_VF_PYTHON_BINDINGS=ON",
     "-DBUILD_VF_CPU:BOOL=ON",
     "-DUSE_METIS=ON",
diff --git a/src/cpu/simulationconfig/CMakeLists.txt b/src/cpu/simulationconfig/CMakeLists.txt
index 939e6baf29024bba35912b375c11ae41da5bc620..95ee969a049fd65cfadc6cc95d814e788a02aa8e 100644
--- a/src/cpu/simulationconfig/CMakeLists.txt
+++ b/src/cpu/simulationconfig/CMakeLists.txt
@@ -3,6 +3,6 @@ project(simulationconfig)
 
 vf_add_library(NAME simulationconfig PUBLIC_LINK VirtualFluidsCore basics muparser)
 
-set_target_properties(simulationconfig PROPERTIES CXX_STANDARD 14 POSITION_INDEPENDENT_CODE ON)
+set_target_properties(simulationconfig PROPERTIES POSITION_INDEPENDENT_CODE ON)
 
 target_include_directories(simulationconfig PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/include)