1 files changed, 2 insertions, 35 deletions

diff --git a/packages/core/src/utils/schemaValidator.ts b/packages/core/src/utils/schemaValidator.ts
index cb025774..f397c0b1 100644
--- a/packages/core/src/utils/schemaValidator.ts
+++ b/packages/core/src/utils/schemaValidator.ts
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import { Schema } from '@google/genai';
 import AjvPkg from 'ajv';
 // Ajv's ESM/CJS interop: use 'any' for compatibility as recommended by Ajv docs
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
@@ -19,50 +18,18 @@ export class SchemaValidator {
    * Returns null if the data confroms to the schema described by schema (or if schema
    *  is null). Otherwise, returns a string describing the error.
    */
-  static validate(schema: Schema | undefined, data: unknown): string | null {
+  static validate(schema: unknown | undefined, data: unknown): string | null {
     if (!schema) {
       return null;
     }
     if (typeof data !== 'object' || data === null) {
       return 'Value of params must be an object';
     }
-    const validate = ajValidator.compile(this.toObjectSchema(schema));
+    const validate = ajValidator.compile(schema);
     const valid = validate(data);
     if (!valid && validate.errors) {
       return ajValidator.errorsText(validate.errors, { dataVar: 'params' });
     }
     return null;
   }
-
-  /**
-   * Converts @google/genai's Schema to an object compatible with avj.
-   * This is necessary because it represents Types as an Enum (with
-   * UPPERCASE values) and minItems and minLength as strings, when they should be numbers.
-   */
-  private static toObjectSchema(schema: Schema): object {
-    const newSchema: Record<string, unknown> = { ...schema };
-    if (newSchema.anyOf && Array.isArray(newSchema.anyOf)) {
-      newSchema.anyOf = newSchema.anyOf.map((v) => this.toObjectSchema(v));
-    }
-    if (newSchema.items) {
-      newSchema.items = this.toObjectSchema(newSchema.items);
-    }
-    if (newSchema.properties && typeof newSchema.properties === 'object') {
-      const newProperties: Record<string, unknown> = {};
-      for (const [key, value] of Object.entries(newSchema.properties)) {
-        newProperties[key] = this.toObjectSchema(value as Schema);
-      }
-      newSchema.properties = newProperties;
-    }
-    if (newSchema.type) {
-      newSchema.type = String(newSchema.type).toLowerCase();
-    }
-    if (newSchema.minItems) {
-      newSchema.minItems = Number(newSchema.minItems);
-    }
-    if (newSchema.minLength) {
-      newSchema.minLength = Number(newSchema.minLength);
-    }
-    return newSchema;
-  }
 }