diff --git a/.github/workflows/ubuntu-ci.yml b/.github/workflows/ubuntu-ci.yml
index 2852e90b5..ad75d7951 100644
--- a/.github/workflows/ubuntu-ci.yml
+++ b/.github/workflows/ubuntu-ci.yml
@@ -21,18 +21,15 @@ jobs:
             name: "Ubuntu 18.04 x86_64",
             os: ubuntu-latest,
             container: "ubuntu:18.04",
-            PLATFORM: x64,
-            WINXX_ARCH: win64,
             generator: "Ninja",
             extra_path: "/home/runner/Qt/5.15.2_static/bin",
-            extra_options: "-DCMAKE_PREFIX_PATH=\"C:/Qt/5.15.10-x64/\" -DCMAKE_TOOLCHAIN_FILE=`pwd`/_common/ci_windows_mingw_toolchain_x64.cmake",
-            build_type: "MinSizeRel",
+            build_type: "Release",
             upload_directory: "www/ubuntu-18-04/",
             qt_download: "https://wohlsoft.ru/docs/Software/QtBuilds/qt-5.15.2-static-ubuntu-18-04-x64-gcc8.tar.bz2",
             qt_install_dir: "/home/runner/Qt",
             qt_ver: "5.15.2_static",
             qt_dir: "/home/runner/Qt/5.15.2_static/bin",
-            qt_lib_dir: "/home/runner/Qt/5.15.2_static/lib"
+            qt_lib_dir: "/home/runner/Qt/5.15.2_static/lib",
             lftp_download: "https://wohlsoft.ru/docs/Software/lftp_4.9.1-1_amd64-ubuntu1604.deb",
             lftp_install_pacakge: "lftp_4.9.1-1_amd64-ubuntu1604.deb",