diff --git a/.github/workflows/icu_ci.yml b/.github/workflows/icu_ci.yml
index a633f5ee3c7..b1c72b95645 100644
--- a/.github/workflows/icu_ci.yml
+++ b/.github/workflows/icu_ci.yml
@@ -260,9 +260,8 @@ jobs:
       fail-fast: false
       matrix:
         build_option:
-         - --enable-static
-         - --disable-shared
-         - --enable-static --disable-shared
+         [ --enable-static, --enable-static --disable-shared ]
+         # --disable-shared has a build problem.
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2