diff --git a/.github/workflows/periodic.yml b/.github/workflows/periodic.yml
index 1ddef81..364129f 100644
--- a/.github/workflows/periodic.yml
+++ b/.github/workflows/periodic.yml
@@ -18,12 +18,6 @@ jobs:
             target: aarch64-apple-darwin
           - runner: windows-latest
             target: x86_64-pc-windows-msvc
-          # - runner: ubuntu-latest
-          #   target: armv7
-          # - runner: ubuntu-latest
-          #   target: s390x
-          # - runner: ubuntu-latest
-          #   target: ppc64le
         toolchain: [stable, beta, nightly]
         features: ["ipadic", "ko-dic", "cc-cedict"]
     runs-on: ${{ matrix.platform.runner }}
diff --git a/.github/workflows/regression.yml b/.github/workflows/regression.yml
index 1726cc5..3623181 100644
--- a/.github/workflows/regression.yml
+++ b/.github/workflows/regression.yml
@@ -67,12 +67,6 @@ jobs:
             target: aarch64-apple-darwin
           - runner: windows-latest
             target: x86_64-pc-windows-msvc
-          # - runner: ubuntu-latest
-          #   target: armv7
-          # - runner: ubuntu-latest
-          #   target: s390x
-          # - runner: ubuntu-latest
-          #   target: ppc64le
         toolchain: [stable]
         features: ["ipadic", "ko-dic", "cc-cedict"]
     runs-on: ${{ matrix.platform.runner }}