diff --git a/.github/workflows/custom.yml b/.github/workflows/custom.yml
index e2c24d51..c202b35a 100644
--- a/.github/workflows/custom.yml
+++ b/.github/workflows/custom.yml
@@ -47,7 +47,6 @@ jobs:
               MODEL = jsonbody.get('model', '')
               PRODUCTVER = jsonbody.get('version', '')
               ADDONS = jsonbody.get('addons', '')
-              MACSYS = jsonbody.get('macsys', '')
               CUSTOMKERNEL = jsonbody.get('customkernel', '')
               FORMAT = jsonbody.get('format', '')
           except ValueError as e:
@@ -56,7 +55,6 @@ jobs:
           set_output("MODEL", MODEL)
           set_output("PRODUCTVER", PRODUCTVER)
           set_output("ADDONS", ADDONS)
-          set_output("MACSYS", MACSYS)
           set_output("CUSTOMKERNEL", CUSTOMKERNEL)
           set_output("FORMAT", FORMAT)
 
@@ -121,7 +119,6 @@ jobs:
           writeConfigKey "model" "${{ env.MODEL }}" "${PRESET_CONFIG_FILE}"
           writeConfigKey "productver" "${{ env.PRODUCTVER }}" "${PRESET_CONFIG_FILE}"
           writeConfigKey "arc" "{}" "${PRESET_CONFIG_FILE}"
-          writeConfigKey "arc.macsys" "${{ env.MACSYS }}" "${PRESET_CONFIG_FILE}"
           writeConfigKey "arc.custom" "true" "${PRESET_CONFIG_FILE}"
           if [ "${{ env.MODEL }}" = "SA6400" ]; then
             writeConfigKey "arc.kernel" "${{ env.KERNEL }}" "${PRESET_CONFIG_FILE}"