diff --git a/aider/repo.py b/aider/repo.py
index 9df9aaf7e..ba2ca4f3b 100644
--- a/aider/repo.py
+++ b/aider/repo.py
@@ -82,11 +82,6 @@ class GitRepo:
         if context:
             full_commit_message += "\n\n# Aider chat conversation:\n\n" + context
 
-        user_name = self.repo.config_reader().get_value("user", "name")
-        committer_name = f"{user_name} (aider)"
-        original_committer_name = os.environ.get("GIT_COMMITTER_NAME")
-        os.environ["GIT_COMMITTER_NAME"] = committer_name
-
         cmd = ["-m", full_commit_message, "--no-verify"]
         if fnames:
             fnames = [str(self.abs_root_path(fn)) for fn in fnames]
@@ -105,12 +100,6 @@ class GitRepo:
         commit_hash = self.repo.head.commit.hexsha[:7]
         self.io.tool_output(f"Commit {commit_hash} {commit_message}")
 
-        # Restore the original GIT_COMMITTER_NAME
-        if original_committer_name is not None:
-            os.environ["GIT_COMMITTER_NAME"] = original_committer_name
-        else:
-            del os.environ["GIT_COMMITTER_NAME"]
-
         # Restore the original GIT_COMMITTER_NAME
         if original_committer_name is not None:
             os.environ["GIT_COMMITTER_NAME"] = original_committer_name