diff --git a/cipd b/cipd
index 5450659874..91fbe16500 100755
--- a/cipd
+++ b/cipd
@@ -30,11 +30,6 @@ case "${UNAME}" in
     ;;
   darwin)
     OS=mac
-    # use amd64 binaries even on arm64 for now, see crbug.com/1205263
-    # Once we have arm binaries of everything, this will change to "arm64"
-    # Run `echo "mac-arm64" > .cipd_client_platform` to force arm64 binaries
-    # before everything is ready, for testing.
-    ARCH=amd64
     ;;
   *)
     >&2 echo "CIPD not supported on ${UNAME}"