1 files changed, 3 insertions, 10 deletions
diff --git a/packages/core/src/tools/grep.ts b/packages/core/src/tools/grep.ts
index 4cac389f..86988c44 100644
--- a/packages/core/src/tools/grep.ts
+++ b/packages/core/src/tools/grep.ts
@@ -17,7 +17,6 @@ import {
   ToolInvocation,
   ToolResult,
 } from './tools.js';
-import { SchemaValidator } from '../utils/schemaValidator.js';
 import { makeRelative, shortenPath } from '../utils/paths.js';
 import { getErrorMessage, isNodeError } from '../utils/errors.js';
 import { isGitRepository } from '../utils/gitUtils.js';
@@ -614,15 +613,9 @@ export class GrepTool extends BaseDeclarativeTool<GrepToolParams, ToolResult> {
    * @param params Parameters to validate
    * @returns An error message string if invalid, null otherwise
    */
-  override validateToolParams(params: GrepToolParams): string | null {
-    const errors = SchemaValidator.validate(
-      this.schema.parametersJsonSchema,
-      params,
-    );
-    if (errors) {
-      return errors;
-    }
-
+  protected override validateToolParamValues(
+    params: GrepToolParams,
+  ): string | null {
     try {
       new RegExp(params.pattern);
     } catch (error) {