diff --git a/src/github/operations/commits.ts b/src/github/operations/commits.ts
index 09b4302a..b10e1b5f 100644
--- a/src/github/operations/commits.ts
+++ b/src/github/operations/commits.ts
@@ -1,95 +1,26 @@
 import { z } from "zod";
 import { githubRequest, buildUrl } from "../common/utils.js";
-import { GitHubCommitSchema, GitHubListCommitsSchema } from "../common/types.js";
 
-// Schema definitions
 export const ListCommitsSchema = z.object({
-  owner: z.string().describe("Repository owner (username or organization)"),
-  repo: z.string().describe("Repository name"),
-  page: z.number().optional().describe("Page number for pagination (default: 1)"),
-  perPage: z.number().optional().describe("Number of results per page (default: 30, max: 100)"),
-  sha: z.string().optional().describe("SHA of the commit to start listing from"),
+  owner: z.string(),
+  repo: z.string(),
+  sha: z.string().optional(),
+  page: z.number().optional(),
+  perPage: z.number().optional()
 });
 
-// Type exports
-export type ListCommitsParams = z.infer<typeof ListCommitsSchema>;
-
-// Function implementations
 export async function listCommits(
   owner: string,
   repo: string,
-  page: number = 1,
-  perPage: number = 30,
+  page?: number,
+  perPage?: number,
   sha?: string
 ) {
-  const params = {
-    page,
-    per_page: perPage,
-    ...(sha ? { sha } : {})
-  };
-
-  const url = buildUrl(`https://api.github.com/repos/${owner}/${repo}/commits`, params);
-
-  const response = await githubRequest(url);
-  return GitHubListCommitsSchema.parse(response);
-}
-
-export async function getCommit(
-  owner: string,
-  repo: string,
-  sha: string
-) {
-  const response = await githubRequest(
-    `https://api.github.com/repos/${owner}/${repo}/git/commits/${sha}`
+  return githubRequest(
+    buildUrl(`https://api.github.com/repos/${owner}/${repo}/commits`, {
+      page: page?.toString(),
+      per_page: perPage?.toString(),
+      sha
+    })
   );
-
-  return GitHubCommitSchema.parse(response);
-}
-
-export async function createCommit(
-  owner: string,
-  repo: string,
-  message: string,
-  tree: string,
-  parents: string[]
-) {
-  const response = await githubRequest(
-    `https://api.github.com/repos/${owner}/${repo}/git/commits`,
-    {
-      method: "POST",
-      body: {
-        message,
-        tree,
-        parents,
-      },
-    }
-  );
-
-  return GitHubCommitSchema.parse(response);
-}
-
-export async function compareCommits(
-  owner: string,
-  repo: string,
-  base: string,
-  head: string
-) {
-  const response = await githubRequest(
-    `https://api.github.com/repos/${owner}/${repo}/compare/${base}...${head}`
-  );
-
-  return z.object({
-    url: z.string(),
-    html_url: z.string(),
-    permalink_url: z.string(),
-    diff_url: z.string(),
-    patch_url: z.string(),
-    base_commit: GitHubCommitSchema,
-    merge_base_commit: GitHubCommitSchema,
-    commits: z.array(GitHubCommitSchema),
-    total_commits: z.number(),
-    status: z.string(),
-    ahead_by: z.number(),
-    behind_by: z.number(),
-  }).parse(response);
-}
+}
\ No newline at end of file