diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c1d018ff..2379088d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,66 +18,13 @@ jobs:
     strategy:
       matrix:
         board:
-          - bluemicro840_v1
           - nice_nano
-          - nrfmicro_13
-          - proton_c
         shield:
-          - bfo9000_left
-          - bfo9000_right
-          - boardsource3x4
-          - corne_left
-          - corne_right
-          - cradio_left
-          - cradio_right
-          - crbn
-          - eek
-          - helix_left
-          - helix_right
-          - iris_left
-          - iris_right
-          - jian_left
-          - jian_right
-          - jorne_left
-          - jorne_right
-          - kyria_left
-          - kyria_right
-          - lily58_left
-          - lily58_right
-          - microdox_left
-          - microdox_right
-          - nibble
-          - qaz
-          - quefrency_left
-          - quefrency_right
-          - reviung41
-          - romac
-          - romac_plus
-          - settings_reset
-          - sofle_left
-          - sofle_right
-          - splitreus62_left
-          - splitreus62_right
-          - tg4x
-          - tidbit
           - ut47
         cmake-args: [""]
         include:
-          - board: bdn9_rev2
-          - board: dz60rgb_rev1
-          - board: nrf52840_m2
-            shield: m60
-          - board: planck_rev6
-          - board: proton_c
-            shield: clueboard_california
           - board: nice_nano
-            shield: kyria_left
-            cmake-args: -DCONFIG_ZMK_DISPLAY=y
-            skip-archive: true
-          - board: nice_nano
-            shield: kyria_right
-            cmake-args: -DCONFIG_ZMK_DISPLAY=y
-            skip-archive: true
+            shield: ut47
     steps:
       - name: Checkout
         uses: actions/checkout@v2