diff --git a/coin/platform_configs/cmake_platforms_qemu_vxworks_buildtest_static.yaml b/coin/platform_configs/cmake_platforms_qemu_vxworks_buildtest_static.yaml
index ea356c7a..c505fdfa 100644
--- a/coin/platform_configs/cmake_platforms_qemu_vxworks_buildtest_static.yaml
+++ b/coin/platform_configs/cmake_platforms_qemu_vxworks_buildtest_static.yaml
@@ -26,5 +26,5 @@ Configurations:
     Environment variables: [
         'WIND_CC_SYSROOT=/opt/itl_generic_skylake_VSB',
         'TARGET_CONFIGURE_ARGS=-release -force-debug-info -qpa offscreen -nomake examples',
-        'TARGET_CMAKE_ARGS=-DBUILD_SHARED_LIBS=OFF -DWARNINGS_ARE_ERRORS=OFF -DCMAKE_TOOLCHAIN_FILE="{{.Env.WIND_CC_SYSROOT}}/mk/rtp.toolchain.cmake" -DFEATURE_vulkan=OFF -DQT_QMAKE_TARGET_MKSPEC=vxworks-clang -DQT_HOST_PATH=/home/qt/work/install -DCMAKE_AUTOGEN_VERBOSE=ON -DCMAKE_STAGING_PREFIX:PATH=/home/qt/work/install/target'
+        'TARGET_CMAKE_ARGS=-DBUILD_SHARED_LIBS=OFF -DWARNINGS_ARE_ERRORS=OFF -DCMAKE_TOOLCHAIN_FILE="{{.Env.WIND_CC_SYSROOT}}/mk/rtp.toolchain.cmake" -DFEATURE_vulkan=OFF -DFEATURE_harfbuzz=no -DQT_QMAKE_TARGET_MKSPEC=vxworks-clang -DQT_HOST_PATH=/home/qt/work/install -DCMAKE_AUTOGEN_VERBOSE=ON -DCMAKE_STAGING_PREFIX:PATH=/home/qt/work/install/target'
     ]
diff --git a/coin/platform_configs/cmake_platforms_qemu_vxworks_tests_static.yaml b/coin/platform_configs/cmake_platforms_qemu_vxworks_tests_static.yaml
index 5b1d87c4..f2fa09ec 100644
--- a/coin/platform_configs/cmake_platforms_qemu_vxworks_tests_static.yaml
+++ b/coin/platform_configs/cmake_platforms_qemu_vxworks_tests_static.yaml
@@ -28,5 +28,5 @@ Configurations:
         'WIND_CC_SYSROOT=/opt/itl_generic_skylake_VSB',
         'VXWORKS_TEST_LIBS_PATH=/opt/itl_generic_skylake_VSB/usr/lib/common;/opt/itl_generic_skylake_VSB/usr/root/llvm/bin;/opt/itl_generic_skylake_VSB/usr/3pp/develop/usr/lib;/home/qt/work/install/target/lib',
         'TARGET_CONFIGURE_ARGS=-release -force-debug-info -qpa offscreen -nomake examples',
-        'TARGET_CMAKE_ARGS=-DBUILD_SHARED_LIBS=OFF -DWARNINGS_ARE_ERRORS=OFF -DCMAKE_TOOLCHAIN_FILE="{{.Env.WIND_CC_SYSROOT}}/mk/rtp.toolchain.cmake" -DFEATURE_vulkan=OFF -DQT_QMAKE_TARGET_MKSPEC=vxworks-clang -DQT_HOST_PATH=/home/qt/work/install -DCMAKE_AUTOGEN_VERBOSE=ON -DCMAKE_STAGING_PREFIX:PATH=/home/qt/work/install/target'
+        'TARGET_CMAKE_ARGS=-DBUILD_SHARED_LIBS=OFF -DWARNINGS_ARE_ERRORS=OFF -DCMAKE_TOOLCHAIN_FILE="{{.Env.WIND_CC_SYSROOT}}/mk/rtp.toolchain.cmake" -DFEATURE_vulkan=OFF -DFEATURE_harfbuzz=no -DQT_QMAKE_TARGET_MKSPEC=vxworks-clang -DQT_HOST_PATH=/home/qt/work/install -DCMAKE_AUTOGEN_VERBOSE=ON -DCMAKE_STAGING_PREFIX:PATH=/home/qt/work/install/target'
     ]