diff --git a/packages/plugins/@nocobase/plugin-workflow/src/client/components/Calculation.tsx b/packages/plugins/@nocobase/plugin-workflow/src/client/components/Calculation.tsx
index 3b9b35f5f98..18768190c2e 100644
--- a/packages/plugins/@nocobase/plugin-workflow/src/client/components/Calculation.tsx
+++ b/packages/plugins/@nocobase/plugin-workflow/src/client/components/Calculation.tsx
@@ -55,32 +55,6 @@ calculators.register('lte', {
   group: 'boolean',
 });
 
-calculators.register('add', {
-  name: '+',
-  type: 'number',
-  group: 'number',
-});
-calculators.register('minus', {
-  name: '-',
-  type: 'number',
-  group: 'number',
-});
-calculators.register('multiple', {
-  name: '*',
-  type: 'number',
-  group: 'number',
-});
-calculators.register('divide', {
-  name: '/',
-  type: 'number',
-  group: 'number',
-});
-calculators.register('mod', {
-  name: '%',
-  type: 'number',
-  group: 'number',
-});
-
 calculators.register('includes', {
   name: '{{t("contains")}}',
   type: 'boolean',