diff --git a/ci/toolchains/TC-aarch64-apple-darwin.cmake b/ci/toolchains/TC-aarch64-apple-darwin.cmake
index 99160899f..be899bf0c 100644
--- a/ci/toolchains/TC-aarch64-apple-darwin.cmake
+++ b/ci/toolchains/TC-aarch64-apple-darwin.cmake
@@ -1,4 +1,3 @@
 set(CMAKE_SYSTEM_NAME Darwin)
 set(CMAKE_SYSTEM_PROCESSOR aarch64)
-set(DEBARCH arm64)
 set(ZENOHC_CUSTOM_TARGET aarch64-apple-darwin)
\ No newline at end of file