diff --git a/.github/workflows/githubci.yml b/.github/workflows/githubci.yml
index 80e5a5a..856b0eb 100644
--- a/.github/workflows/githubci.yml
+++ b/.github/workflows/githubci.yml
@@ -36,7 +36,6 @@ jobs:
         arduino-cli config init
         arduino-cli core update-index
         arduino-cli core update-index --additional-urls $BSP_URL   
-        arduino-cli core install arduino:samd --additional-urls $BSP_URL
         arduino-cli core install adafruit:samd --additional-urls $BSP_URL
         arduino-cli core install arduino:avr --additional-urls $BSP_URL
         arduino-cli core install adafruit:avr --additional-urls $BSP_URL