diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index aea48a6..1c45d10 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -8,8 +8,6 @@ jobs:
       RUSTFLAGS: "-D warnings"
     steps:
       - uses: actions/checkout@v2
-      - run: sudo apt-get update
-      - run: sudo apt-get install gcc-arm-none-eabi
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
diff --git a/.github/workflows/clippy.yml b/.github/workflows/clippy.yml
index 22a6b02..99609b6 100644
--- a/.github/workflows/clippy.yml
+++ b/.github/workflows/clippy.yml
@@ -7,8 +7,6 @@ jobs:
       RUSTFLAGS: "-D warnings"
     steps:
       - uses: actions/checkout@v2
-      - run: sudo apt-get update
-      - run: sudo apt-get install gcc-arm-none-eabi
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable