diff --git a/x-pack/plugins/apm/server/lib/helpers/input_validation.ts b/x-pack/plugins/apm/server/lib/helpers/input_validation.ts
deleted file mode 100644
index 0a34711b9b40..000000000000
--- a/x-pack/plugins/apm/server/lib/helpers/input_validation.ts
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0; you may not use this file except in compliance with the Elastic License
- * 2.0.
- */
-
-import Joi, { Schema } from 'joi';
-export const dateValidation = Joi.alternatives()
-  .try(Joi.date().iso(), Joi.number())
-  .required();
-
-export const withDefaultValidators = (
-  validators: { [key: string]: Schema } = {}
-) => {
-  return Joi.object().keys({
-    _inspect: Joi.bool(),
-    start: dateValidation,
-    end: dateValidation,
-    uiFilters: Joi.string(),
-    ...validators,
-  });
-};
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/utils.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/utils.ts
index 34f40012f00b..959ab89c0122 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/utils.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/utils.ts
@@ -6,7 +6,6 @@
  */
 
 import Boom from '@hapi/boom';
-import Joi from 'joi';
 import { errors } from '@elastic/elasticsearch';
 import { has, snakeCase } from 'lodash/fp';
 import { SanitizedAlert } from '../../../../../alerting/common';
@@ -233,7 +232,12 @@ export const transformBulkError = (
   }
 };
 
-export const buildRouteValidation = <T>(schema: Joi.Schema): RouteValidationFunction<T> => (
+interface Schema {
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  validate: (input: any) => { value: any; error?: Error };
+}
+
+export const buildRouteValidation = <T>(schema: Schema): RouteValidationFunction<T> => (
   payload: T,
   { ok, badRequest }
 ) => {