diff --git a/authfs/src/main.rs b/authfs/src/main.rs
index ecb0e68..a6956e2 100644
--- a/authfs/src/main.rs
+++ b/authfs/src/main.rs
@@ -22,18 +22,16 @@
 //! each read of file block can be verified individually only when needed.
 //!
 //! AuthFS only serve files that are specifically configured. A file configuration may include the
-//! source (e.g. local file or remote file server), verification method (e.g. certificate for
-//! fs-verity verification, or no verification if expected to mount over dm-verity), and file ID.
-//! Regardless of the actual file name, the exposed file names through AuthFS are currently integer,
-//! e.g. /mountpoint/42.
+//! source (e.g. remote file server), verification method (e.g. certificate for fs-verity
+//! verification, or no verification if expected to mount over dm-verity), and file ID. Regardless
+//! of the actual file name, the exposed file names through AuthFS are currently integer, e.g.
+//! /mountpoint/42.
 
 use anyhow::{bail, Context, Result};
 use log::error;
 use std::collections::BTreeMap;
 use std::convert::TryInto;
-use std::fs::File;
-use std::io::Read;
-use std::path::{Path, PathBuf};
+use std::path::PathBuf;
 use structopt::StructOpt;
 
 mod auth;
@@ -44,7 +42,7 @@
 mod fusefs;
 
 use auth::FakeAuthenticator;
-use file::{LocalFileReader, RemoteFileEditor, RemoteFileReader, RemoteMerkleTreeReader};
+use file::{RemoteFileEditor, RemoteFileReader, RemoteMerkleTreeReader};
 use fsverity::{VerifiedFileEditor, VerifiedFileReader};
 use fusefs::{FileConfig, Inode};
 
@@ -83,27 +81,11 @@
     #[structopt(long, parse(try_from_str = parse_remote_new_rw_file_option))]
     remote_new_rw_file: Vec<OptionRemoteRwFile>,
 
-    /// Debug only. A read-only local file with integrity check. Can be multiple.
-    #[structopt(long, parse(try_from_str = parse_local_file_ro_option))]
-    local_ro_file: Vec<OptionLocalFileRo>,
-
-    /// Debug only. A read-only local file without integrity check. Can be multiple.
-    #[structopt(long, parse(try_from_str = parse_local_ro_file_unverified_ro_option))]
-    local_ro_file_unverified: Vec<OptionLocalRoFileUnverified>,
-
     /// Enable debugging features.
     #[structopt(long)]
     debug: bool,
 }
 
-impl Args {
-    fn has_remote_files(&self) -> bool {
-        !self.remote_ro_file.is_empty()
-            || !self.remote_ro_file_unverified.is_empty()
-            || !self.remote_new_rw_file.is_empty()
-    }
-}
-
 struct OptionRemoteRoFile {
     ino: Inode,
 
@@ -129,30 +111,6 @@
     remote_id: i32,
 }
 
-struct OptionLocalFileRo {
-    ino: Inode,
-
-    /// Local path of the backing file.
-    file_path: PathBuf,
-
-    /// Local path of the backing file's fs-verity Merkle tree dump.
-    merkle_tree_dump_path: PathBuf,
-
-    /// Local path of fs-verity signature for the backing file.
-    signature_path: PathBuf,
-
-    /// Certificate to verify the authenticity of the file's fs-verity signature.
-    /// TODO(170494765): Implement PKCS#7 signature verification.
-    _certificate_path: PathBuf,
-}
-
-struct OptionLocalRoFileUnverified {
-    ino: Inode,
-
-    /// Local path of the backing file.
-    file_path: PathBuf,
-}
-
 fn parse_remote_ro_file_option(option: &str) -> Result<OptionRemoteRoFile> {
     let strs: Vec<&str> = option.split(':').collect();
     if strs.len() != 3 {
@@ -187,31 +145,6 @@
     })
 }
 
-fn parse_local_file_ro_option(option: &str) -> Result<OptionLocalFileRo> {
-    let strs: Vec<&str> = option.split(':').collect();
-    if strs.len() != 5 {
-        bail!("Invalid option: {}", option);
-    }
-    Ok(OptionLocalFileRo {
-        ino: strs[0].parse::<Inode>()?,
-        file_path: PathBuf::from(strs[1]),
-        merkle_tree_dump_path: PathBuf::from(strs[2]),
-        signature_path: PathBuf::from(strs[3]),
-        _certificate_path: PathBuf::from(strs[4]),
-    })
-}
-
-fn parse_local_ro_file_unverified_ro_option(option: &str) -> Result<OptionLocalRoFileUnverified> {
-    let strs: Vec<&str> = option.split(':').collect();
-    if strs.len() != 2 {
-        bail!("Invalid option: {}", option);
-    }
-    Ok(OptionLocalRoFileUnverified {
-        ino: strs[0].parse::<Inode>()?,
-        file_path: PathBuf::from(strs[1]),
-    })
-}
-
 fn new_config_remote_verified_file(
     service: file::VirtFdService,
     remote_id: i32,
@@ -220,7 +153,7 @@
     let signature = service.readFsveritySignature(remote_id).context("Failed to read signature")?;
 
     let authenticator = FakeAuthenticator::always_succeed();
-    Ok(FileConfig::RemoteVerifiedReadonly {
+    Ok(FileConfig::VerifiedReadonly {
         reader: VerifiedFileReader::new(
             &authenticator,
             RemoteFileReader::new(service.clone(), remote_id),
@@ -238,30 +171,7 @@
     file_size: u64,
 ) -> Result<FileConfig> {
     let reader = RemoteFileReader::new(service, remote_id);
-    Ok(FileConfig::RemoteUnverifiedReadonly { reader, file_size })
-}
-
-fn new_config_local_ro_file(
-    protected_file: &Path,
-    merkle_tree_dump: &Path,
-    signature: &Path,
-) -> Result<FileConfig> {
-    let file = File::open(&protected_file)?;
-    let file_size = file.metadata()?.len();
-    let file_reader = LocalFileReader::new(file)?;
-    let merkle_tree_reader = LocalFileReader::new(File::open(merkle_tree_dump)?)?;
-    let authenticator = FakeAuthenticator::always_succeed();
-    let mut sig = Vec::new();
-    let _ = File::open(signature)?.read_to_end(&mut sig)?;
-    let reader =
-        VerifiedFileReader::new(&authenticator, file_reader, file_size, sig, merkle_tree_reader)?;
-    Ok(FileConfig::LocalVerifiedReadonly { reader, file_size })
-}
-
-fn new_config_local_ro_file_unverified(file_path: &Path) -> Result<FileConfig> {
-    let reader = LocalFileReader::new(File::open(file_path)?)?;
-    let file_size = reader.len();
-    Ok(FileConfig::LocalUnverifiedReadonly { reader, file_size })
+    Ok(FileConfig::UnverifiedReadonly { reader, file_size })
 }
 
 fn new_config_remote_new_verified_file(
@@ -269,58 +179,41 @@
     remote_id: i32,
 ) -> Result<FileConfig> {
     let remote_file = RemoteFileEditor::new(service, remote_id);
-    Ok(FileConfig::RemoteVerifiedNew { editor: VerifiedFileEditor::new(remote_file) })
+    Ok(FileConfig::VerifiedNew { editor: VerifiedFileEditor::new(remote_file) })
 }
 
 fn prepare_file_pool(args: &Args) -> Result<BTreeMap<Inode, FileConfig>> {
     let mut file_pool = BTreeMap::new();
 
-    if args.has_remote_files() {
-        let service = file::get_rpc_binder_service(args.cid)?;
+    let service = file::get_rpc_binder_service(args.cid)?;
 
-        for config in &args.remote_ro_file {
-            file_pool.insert(
-                config.ino,
-                new_config_remote_verified_file(
-                    service.clone(),
-                    config.remote_id,
-                    service.getFileSize(config.remote_id)?.try_into()?,
-                )?,
-            );
-        }
-
-        for config in &args.remote_ro_file_unverified {
-            file_pool.insert(
-                config.ino,
-                new_config_remote_unverified_file(
-                    service.clone(),
-                    config.remote_id,
-                    service.getFileSize(config.remote_id)?.try_into()?,
-                )?,
-            );
-        }
-
-        for config in &args.remote_new_rw_file {
-            file_pool.insert(
-                config.ino,
-                new_config_remote_new_verified_file(service.clone(), config.remote_id)?,
-            );
-        }
-    }
-
-    for config in &args.local_ro_file {
+    for config in &args.remote_ro_file {
         file_pool.insert(
             config.ino,
-            new_config_local_ro_file(
-                &config.file_path,
-                &config.merkle_tree_dump_path,
-                &config.signature_path,
+            new_config_remote_verified_file(
+                service.clone(),
+                config.remote_id,
+                service.getFileSize(config.remote_id)?.try_into()?,
             )?,
         );
     }
 
-    for config in &args.local_ro_file_unverified {
-        file_pool.insert(config.ino, new_config_local_ro_file_unverified(&config.file_path)?);
+    for config in &args.remote_ro_file_unverified {
+        file_pool.insert(
+            config.ino,
+            new_config_remote_unverified_file(
+                service.clone(),
+                config.remote_id,
+                service.getFileSize(config.remote_id)?.try_into()?,
+            )?,
+        );
+    }
+
+    for config in &args.remote_new_rw_file {
+        file_pool.insert(
+            config.ino,
+            new_config_remote_new_verified_file(service.clone(), config.remote_id)?,
+        );
     }
 
     Ok(file_pool)