diff --git a/src/configs/logger/index.ts b/src/configs/logger/index.ts
index 5945627..5360284 100644
--- a/src/configs/logger/index.ts
+++ b/src/configs/logger/index.ts
@@ -1,7 +1,7 @@
 import { LoggerOptions, pino } from 'pino';
 import { env } from '../env.js';
 
-export const loggerConfigs = {
+const loggerConfigs = {
     development: {
         transport: {
             target: 'pino-pretty',
diff --git a/src/types.test.ts b/src/types.test.ts
index 078b446..0630eb0 100644
--- a/src/types.test.ts
+++ b/src/types.test.ts
@@ -5,35 +5,10 @@ describe('types.ts', () => {
         it('should import without throwing', async () => {
             const module = await import('./types.js');
             expect(module).toBeDefined();
-            expect(module.ConfigSchema).toBeDefined();
-            expect(module.PostTweetSchema).toBeDefined();
-            expect(module.SearchTweetsSchema).toBeDefined();
             expect(module.TwitterError).toBeDefined();
         });
     });
 
-    describe('ConfigSchema', () => {
-        it.todo('should validate valid config');
-        it.todo('should reject empty apiKey');
-        it.todo('should reject empty apiSecretKey');
-        it.todo('should reject empty accessToken');
-        it.todo('should reject empty accessTokenSecret');
-    });
-
-    describe('PostTweetSchema', () => {
-        it.todo('should validate valid tweet text');
-        it.todo('should reject empty text');
-        it.todo('should reject text over 280 characters');
-    });
-
-    describe('SearchTweetsSchema', () => {
-        it.todo('should validate valid search params');
-        it.todo('should reject empty query');
-        it.todo('should reject count below 10');
-        it.todo('should reject count above 100');
-        it.todo('should reject non-integer count');
-    });
-
     describe('TwitterError', () => {
         it.todo('should create error with message, code, and status');
         it.todo('should have name TwitterError');
diff --git a/src/types.ts b/src/types.ts
index 5fdcaad..34f1ab1 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -1,33 +1,3 @@
-import { z } from 'zod';
-
-// Configuration schema with validation
-export const ConfigSchema = z.object({
-    apiKey: z.string().min(1, 'API Key is required'),
-    apiSecretKey: z.string().min(1, 'API Secret Key is required'),
-    accessToken: z.string().min(1, 'Access Token is required'),
-    accessTokenSecret: z.string().min(1, 'Access Token Secret is required')
-});
-
-export type Config = z.infer<typeof ConfigSchema>;
-
-// Tool input schemas
-export const PostTweetSchema = z.object({
-    text: z.string()
-        .min(1, 'Tweet text cannot be empty')
-        .max(280, 'Tweet cannot exceed 280 characters')
-});
-
-export const SearchTweetsSchema = z.object({
-    query: z.string().min(1, 'Search query cannot be empty'),
-    count: z.number()
-        .int('Count must be an integer')
-        .min(10, 'Minimum count is 10')
-        .max(100, 'Maximum count is 100')
-});
-
-export type PostTweetArgs = z.infer<typeof PostTweetSchema>;
-export type SearchTweetsArgs = z.infer<typeof SearchTweetsSchema>;
-
 // API Response types
 export interface TweetMetrics {
     likes: number;