diff --git a/.github/workflows/ci_build.yml b/.github/workflows/ci_build.yml
deleted file mode 100644
index acb9b65..0000000
--- a/.github/workflows/ci_build.yml
+++ /dev/null
@@ -1,79 +0,0 @@
-on:
-  push:
-    branches:
-      - master
-      - '[0-9]+.[0-9]+.x'
-  pull_request:
-    branches:
-      - master
-      - '[0-9]+.[0-9]+.x'
-
-name: voidlinux glibc
-
-jobs:
-  default_build:
-    name: build/test/fmt
-    runs-on: ubuntu-latest
-    container: voidlinux/voidlinux:latest
-
-    steps:
-      - name: install deps
-        run: |
-          xbps-install -Sy xbps
-          xbps-install -Suy
-          # wayland/wlroots dependencies as well as we build from source
-          xbps-install -y MesaLib-devel libseat-devel eudev-libudev-devel libdrm-devel \
-            libinput-devel libxkbcommon-devel pixman-devel expat-devel libxml2-devel \
-            libffi-devel wayland-protocols xcb-util-errors-devel xcb-util-wm-devel \
-            xcb-util-renderutil-devel libxcb-devel xcb-util-cursor-devel xcb-util-devel \
-            xcb-util-image-devel xcb-util-keysyms-devel xcb-util-xrm-devel \
-            xorg-server-xwayland pkg-config meson git gcc pkgconf scdoc wget tar xz \
-            libevdev-devel
-
-          git clone https://gitlab.freedesktop.org/wayland/wayland.git
-          cd wayland
-          git checkout 1.20.0
-          meson build -Ddocumentation=false -Dtests=false --prefix /usr
-          ninja -C build install
-          cd ..
-
-          git clone https://gitlab.freedesktop.org/wlroots/wlroots.git
-          cd wlroots
-          git checkout 0.15.1
-          meson build --auto-features=enabled -Drenderers=gles2 -Dexamples=false \
-            -Dwerror=false -Db_ndebug=false --prefix /usr
-          ninja -C build install
-
-          wget -nv https://ziglang.org/download/0.9.1/zig-linux-x86_64-0.9.1.tar.xz
-          tar -xvf zig-linux-x86_64-0.9.1.tar.xz
-          mv zig-linux-x86_64-0.9.1/zig /usr/bin/
-          mv zig-linux-x86_64-0.9.1/lib /usr/lib/zig
-          zig env
-
-      - name: checkout
-        uses: actions/checkout@v2
-        with:
-          submodules: true
-
-      - name: build
-        run: |
-          zig build
-
-      - name: test
-        run: |
-          zig build test
-
-      - name: xwayland build
-        run: |
-          zig build -Dxwayland
-
-      - name: xwayland test
-        run: |
-          zig build -Dxwayland test
-
-      - name: fmt
-        run: |
-          zig fmt --check river/
-          zig fmt --check riverctl/
-          zig fmt --check rivertile/
-          zig fmt --check build.zig