diff --git a/packages/nodes-base/nodes/Schedule/CronInterface.ts b/packages/nodes-base/nodes/Schedule/CronInterface.ts
deleted file mode 100644
index 5e1521d6da..0000000000
--- a/packages/nodes-base/nodes/Schedule/CronInterface.ts
+++ /dev/null
@@ -1,7 +0,0 @@
-export type ICronExpression = [
-	string | Date,
-	string | Date,
-	string | Date,
-	string | Date,
-	string | Date,
-];
diff --git a/packages/nodes-base/nodes/Schedule/ScheduleTrigger.node.ts b/packages/nodes-base/nodes/Schedule/ScheduleTrigger.node.ts
index 9334b9600b..20b5b73ef3 100644
--- a/packages/nodes-base/nodes/Schedule/ScheduleTrigger.node.ts
+++ b/packages/nodes-base/nodes/Schedule/ScheduleTrigger.node.ts
@@ -8,7 +8,6 @@ import {
 } from 'n8n-workflow';
 
 import { CronJob } from 'cron';
-import { ICronExpression } from './CronInterface';
 import moment from 'moment';
 
 export class ScheduleTrigger implements INodeType {
@@ -463,7 +462,7 @@ export class ScheduleTrigger implements INodeType {
 			if (interval[i].field === 'hours') {
 				const hour = interval[i].hoursInterval?.toString() as string;
 				const minute = interval[i].triggerAtMinute?.toString() as string;
-				const cronTimes: ICronExpression = [minute, `*/${hour}`, '*', '*', '*'];
+				const cronTimes: string[] = [minute, `*/${hour}`, '*', '*', '*'];
 				const cronExpression: string = cronTimes.join(' ');
 				const cronJob = new CronJob(cronExpression, executeTrigger, undefined, true, timezone);
 				cronJobs.push(cronJob);
@@ -473,7 +472,7 @@ export class ScheduleTrigger implements INodeType {
 				const day = interval[i].daysInterval?.toString() as string;
 				const hour = interval[i].triggerAtHour?.toString() as string;
 				const minute = interval[i].triggerAtMinute?.toString() as string;
-				const cronTimes: ICronExpression = [minute, hour, `*/${day}`, '*', '*'];
+				const cronTimes: string[] = [minute, hour, `*/${day}`, '*', '*'];
 				const cronExpression: string = cronTimes.join(' ');
 				const cronJob = new CronJob(cronExpression, executeTrigger, undefined, true, timezone);
 				cronJobs.push(cronJob);
@@ -485,7 +484,7 @@ export class ScheduleTrigger implements INodeType {
 				const week = interval[i].weeksInterval as number;
 				const days = interval[i].triggerAtDay as IDataObject[];
 				const day = days.length === 0 ? '*' : (days.join(',') as string);
-				const cronTimes: ICronExpression = [minute, hour, `*/${week * 7}`, '*', day];
+				const cronTimes: string[] = [minute, hour, `*/${week * 7}`, '*', day];
 				const cronExpression = cronTimes.join(' ');
 				const cronJob = new CronJob(cronExpression, executeTrigger, undefined, true, timezone);
 				cronJobs.push(cronJob);
@@ -496,7 +495,7 @@ export class ScheduleTrigger implements INodeType {
 				const day = interval[i].triggerAtDayOfMonth?.toString() as string;
 				const hour = interval[i].triggerAtHour?.toString() as string;
 				const minute = interval[i].triggerAtMinute?.toString() as string;
-				const cronTimes: ICronExpression = [minute, hour, day, `*/${month}`, '*'];
+				const cronTimes: string[] = [minute, hour, day, `*/${month}`, '*'];
 				const cronExpression: string = cronTimes.join(' ');
 				const cronJob = new CronJob(cronExpression, executeTrigger, undefined, true, timezone);
 				cronJobs.push(cronJob);