diff --git a/.github/workflows/action.yml b/.github/workflows/action.yml
index 0a42aa1dbb52b8196970bebd31165d2a58fe8361..a1f6d6f51c0a18c8b2424d7fb50020a5b81d5acd 100644
--- a/.github/workflows/action.yml
+++ b/.github/workflows/action.yml
@@ -30,7 +30,6 @@ jobs:
       matrix:
        legs:
          - {RTT_BSP: "acm32/acm32f0x0-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"}
-         - {RTT_BSP: "acm32/acm32f4xx-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"}
          - {RTT_BSP: "CME_M7", RTT_TOOL_CHAIN: "sourcery-arm"}
          - {RTT_BSP: "apm32/apm32f103xe-minibroard", RTT_TOOL_CHAIN: "sourcery-arm"}
          - {RTT_BSP: "apollo2", RTT_TOOL_CHAIN: "sourcery-arm"}