diff --git a/CHANGELOG.md b/CHANGELOG.md
index 848efdf..78fe598 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
 - fixed
   - Fix throttling for fetched bookmarks
   - Fix `Cache::exists`
+  - Fix clean up for `Ctrl+C` shortcut
 - changed
   - Rename subcommand from `update` to `sync`
   - Rename flag from `--all` to `--replace` for `bogrep fetch`
diff --git a/src/bookmark_reader/target_reader_writer.rs b/src/bookmark_reader/target_reader_writer.rs
index fe82975..6625163 100644
--- a/src/bookmark_reader/target_reader_writer.rs
+++ b/src/bookmark_reader/target_reader_writer.rs
@@ -5,7 +5,7 @@ use std::{
     path::{Path, PathBuf},
 };
 
-/// A helper struct to read from and write to target files.
+/// A helper to read from and write to a target file.
 pub struct TargetReaderWriter {
     reader: File,
     reader_path: PathBuf,
diff --git a/src/cmd/add.rs b/src/cmd/add.rs
index ec78f8d..38d5d9c 100644
--- a/src/cmd/add.rs
+++ b/src/cmd/add.rs
@@ -9,7 +9,11 @@ use anyhow::anyhow;
 use chrono::Utc;
 use log::debug;
 
-pub async fn add(config: Config, args: AddArgs) -> Result<(), anyhow::Error> {
+pub async fn add(
+    config: Config,
+    args: AddArgs,
+    target_reader_writer: &TargetReaderWriter,
+) -> Result<(), anyhow::Error> {
     debug!("{args:?}");
 
     let urls = utils::parse_urls(&args.urls)?;
@@ -26,10 +30,6 @@ pub async fn add(config: Config, args: AddArgs) -> Result<(), anyhow::Error> {
     )?;
     let client_config = ClientConfig::new(&config.settings);
     let cache_mode = CacheMode::new(&None, &config.settings.cache_mode);
-    let target_reader_writer = TargetReaderWriter::new(
-        &config.target_bookmark_file,
-        &config.target_bookmark_lock_file,
-    )?;
     let cache = Cache::new(&config.cache_path, cache_mode);
     let client = Client::new(&client_config)?;
     let mut bookmark_manager = BookmarkManager::default();
@@ -45,7 +45,5 @@ pub async fn add(config: Config, args: AddArgs) -> Result<(), anyhow::Error> {
         )
         .await?;
 
-    target_reader_writer.close()?;
-
     Ok(())
 }
diff --git a/src/cmd/clean.rs b/src/cmd/clean.rs
index ba6fb7a..5e14130 100644
--- a/src/cmd/clean.rs
+++ b/src/cmd/clean.rs
@@ -1,15 +1,19 @@
 use crate::{
-    args::CleanArgs, bookmark_reader::ReadTarget, cache::CacheMode, utils, Cache, Caching, Config,
-    TargetBookmarks,
+    args::CleanArgs, bookmark_reader::ReadTarget, cache::CacheMode, Cache, Caching, Config,
+    TargetBookmarks, TargetReaderWriter,
 };
 use log::debug;
 
 /// Clean up cache for removed bookmarks.
-pub async fn clean(config: &Config, args: &CleanArgs) -> Result<(), anyhow::Error> {
+pub async fn clean(
+    config: &Config,
+    args: &CleanArgs,
+    target_reader_writer: &TargetReaderWriter,
+) -> Result<(), anyhow::Error> {
     debug!("{args:?}");
 
     let mut target_bookmarks = TargetBookmarks::default();
-    let mut target_reader = utils::open_file_in_read_mode(&config.target_bookmark_file)?;
+    let mut target_reader = target_reader_writer.reader();
     target_reader.read(&mut target_bookmarks)?;
     let cache_mode = CacheMode::new(&args.mode, &config.settings.cache_mode);
     let cache = Cache::new(&config.cache_path, cache_mode);
diff --git a/src/cmd/fetch.rs b/src/cmd/fetch.rs
index c5d6ec3..2b17592 100644
--- a/src/cmd/fetch.rs
+++ b/src/cmd/fetch.rs
@@ -9,7 +9,11 @@ use chrono::Utc;
 use log::debug;
 
 /// Fetch and cache bookmarks.
-pub async fn fetch(config: &Config, args: &FetchArgs) -> Result<(), anyhow::Error> {
+pub async fn fetch(
+    config: &Config,
+    args: &FetchArgs,
+    target_reader_writer: &TargetReaderWriter,
+) -> Result<(), anyhow::Error> {
     debug!("{args:?}");
 
     if args.dry_run {
@@ -21,11 +25,6 @@ pub async fn fetch(config: &Config, args: &FetchArgs) -> Result<(), anyhow::Erro
     let client_config = ClientConfig::new(&config.settings);
     let client = Client::new(&client_config)?;
     let mut source_readers = [];
-    let target_reader_writer = TargetReaderWriter::new(
-        &config.target_bookmark_file,
-        &config.target_bookmark_lock_file,
-    )?;
-
     let now = Utc::now();
     let run_mode = if args.dry_run {
         RunMode::DryRun
@@ -55,7 +54,5 @@ pub async fn fetch(config: &Config, args: &FetchArgs) -> Result<(), anyhow::Erro
         )
         .await?;
 
-    target_reader_writer.close()?;
-
     Ok(())
 }
diff --git a/src/cmd/import.rs b/src/cmd/import.rs
index 7ac2462..afe5885 100644
--- a/src/cmd/import.rs
+++ b/src/cmd/import.rs
@@ -12,7 +12,11 @@ use std::io::Write;
 
 /// Import bookmarks from the configured source files and store unique bookmarks
 /// in cache.
-pub async fn import(config: Config, args: ImportArgs) -> Result<(), anyhow::Error> {
+pub async fn import(
+    config: Config,
+    args: ImportArgs,
+    target_reader_writer: &TargetReaderWriter,
+) -> Result<(), anyhow::Error> {
     debug!("{args:?}");
 
     if args.dry_run {
@@ -44,10 +48,6 @@ pub async fn import(config: Config, args: ImportArgs) -> Result<(), anyhow::Erro
         .iter()
         .map(SourceReader::init)
         .collect::<Result<Vec<_>, anyhow::Error>>()?;
-    let target_reader_writer = TargetReaderWriter::new(
-        &config.target_bookmark_file,
-        &config.target_bookmark_lock_file,
-    )?;
 
     let now = Utc::now();
     let run_mode = if args.dry_run {
@@ -73,7 +73,5 @@ pub async fn import(config: Config, args: ImportArgs) -> Result<(), anyhow::Erro
         )
         .await?;
 
-    target_reader_writer.close()?;
-
     Ok(())
 }
diff --git a/src/cmd/remove.rs b/src/cmd/remove.rs
index 23be04e..32fbb36 100644
--- a/src/cmd/remove.rs
+++ b/src/cmd/remove.rs
@@ -9,7 +9,11 @@ use anyhow::anyhow;
 use chrono::Utc;
 use log::debug;
 
-pub async fn remove(config: Config, args: RemoveArgs) -> Result<(), anyhow::Error> {
+pub async fn remove(
+    config: Config,
+    args: RemoveArgs,
+    target_reader_writer: &TargetReaderWriter,
+) -> Result<(), anyhow::Error> {
     debug!("{args:?}");
 
     let urls = utils::parse_urls(&args.urls)?;
@@ -19,10 +23,6 @@ pub async fn remove(config: Config, args: RemoveArgs) -> Result<(), anyhow::Erro
     }
 
     let now = Utc::now();
-    let target_reader_writer = TargetReaderWriter::new(
-        &config.target_bookmark_file,
-        &config.target_bookmark_lock_file,
-    )?;
     let service_config = ServiceConfig::new(
         RunMode::RemoveUrls(urls.clone()),
         &[],
@@ -45,7 +45,5 @@ pub async fn remove(config: Config, args: RemoveArgs) -> Result<(), anyhow::Erro
         )
         .await?;
 
-    target_reader_writer.close()?;
-
     Ok(())
 }
diff --git a/src/cmd/search.rs b/src/cmd/search.rs
index 443a449..d0a3939 100644
--- a/src/cmd/search.rs
+++ b/src/cmd/search.rs
@@ -1,6 +1,6 @@
 use crate::{
-    bookmark_reader::ReadTarget, cache::CacheMode, utils, Args, Cache, Caching, Config,
-    TargetBookmarks,
+    bookmark_reader::ReadTarget, cache::CacheMode, Args, Cache, Caching, Config, TargetBookmarks,
+    TargetReaderWriter,
 };
 use anyhow::anyhow;
 use colored::Colorize;
@@ -14,14 +14,19 @@ use std::{
 /// Maximum number of characters per line displayed in the search result.
 const MAX_COLUMNS: usize = 1000;
 
-pub fn search(pattern: &str, config: &Config, args: &Args) -> Result<(), anyhow::Error> {
+pub fn search(
+    pattern: &str,
+    config: &Config,
+    args: &Args,
+    target_reader_writer: &TargetReaderWriter,
+) -> Result<(), anyhow::Error> {
     debug!("{:?}", pattern);
 
     let cache_mode = CacheMode::new(&args.mode, &config.settings.cache_mode);
     let cache = Cache::new(&config.cache_path, cache_mode);
 
     let mut target_bookmarks = TargetBookmarks::default();
-    let mut target_reader = utils::open_file_in_read_mode(&config.target_bookmark_file)?;
+    let mut target_reader = target_reader_writer.reader();
     target_reader.read(&mut target_bookmarks)?;
 
     if target_bookmarks.is_empty() {
diff --git a/src/cmd/sync.rs b/src/cmd/sync.rs
index eddce11..fc56b7d 100644
--- a/src/cmd/sync.rs
+++ b/src/cmd/sync.rs
@@ -11,7 +11,11 @@ use log::debug;
 
 /// Import the diff of source and target bookmarks. Fetch and cache websites for
 /// new bookmarks; delete cache for removed bookmarks.
-pub async fn sync(config: &Config, args: &SyncArgs) -> Result<(), anyhow::Error> {
+pub async fn sync(
+    config: &Config,
+    args: &SyncArgs,
+    target_reader_writer: &TargetReaderWriter,
+) -> Result<(), anyhow::Error> {
     debug!("{args:?}");
 
     if args.dry_run {
@@ -29,10 +33,6 @@ pub async fn sync(config: &Config, args: &SyncArgs) -> Result<(), anyhow::Error>
         .iter()
         .map(SourceReader::init)
         .collect::<Result<Vec<_>, anyhow::Error>>()?;
-    let target_reader_writer = TargetReaderWriter::new(
-        &config.target_bookmark_file,
-        &config.target_bookmark_lock_file,
-    )?;
     let now = Utc::now();
     let run_mode = if args.dry_run {
         RunMode::DryRun
@@ -57,7 +57,5 @@ pub async fn sync(config: &Config, args: &SyncArgs) -> Result<(), anyhow::Error>
         )
         .await?;
 
-    target_reader_writer.close()?;
-
     Ok(())
 }
diff --git a/src/lib.rs b/src/lib.rs
index 5dac606..cdbdacf 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -50,7 +50,7 @@ pub mod utils;
 
 pub use args::{Args, ConfigArgs, FetchArgs, Subcommands};
 pub use bookmark_reader::{
-    ChromiumReader, FirefoxReader, ReadBookmark, SafariReader, SimpleReader,
+    ChromiumReader, FirefoxReader, ReadBookmark, SafariReader, SimpleReader, TargetReaderWriter,
 };
 pub use bookmarks::{
     Action, BookmarkManager, BookmarkService, JsonBookmark, JsonBookmarks, RunMode, ServiceConfig,
diff --git a/src/main.rs b/src/main.rs
index 83c6175..92e70da 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,7 +1,6 @@
 use anyhow::anyhow;
-use bogrep::{cmd, Args, Config, Logger, Subcommands};
+use bogrep::{cmd, Args, Config, Logger, Subcommands, TargetReaderWriter};
 use clap::Parser;
-use std::fs;
 use tokio::signal;
 
 #[tokio::main]
@@ -9,40 +8,46 @@ async fn main() -> Result<(), anyhow::Error> {
     let args = Args::parse();
     Logger::init(args.verbose);
     let config = Config::init()?;
-    let target_bookmark_lock_file = config.target_bookmark_lock_file.clone();
+    let target_reader_writer = TargetReaderWriter::new(
+        &config.target_bookmark_file,
+        &config.target_bookmark_lock_file,
+    )?;
 
     tokio::select! {
         _ = signal::ctrl_c() => {
-            // Clean up lock file when aborting.
-            // TODO: finish writing to `bookmarks.json`
-            if target_bookmark_lock_file.exists() {
-                if let Err(err) = fs::remove_file(target_bookmark_lock_file) {
-                    eprintln!("Can't remove lock file: {err:?}")
-                }
+            // Clean up when aborting.
+            if let Err(err) =  target_reader_writer.close() {
+                eprintln!("Can't finish clean up: {err:?}");
             }
 
+
             println!("Aborting ...");
             Ok(())
         },
-        res = run_app(args, config) => {
+        res = run_app(args, config, &target_reader_writer) => {
+            target_reader_writer.close()?;
             res
         }
     }
 }
 
-async fn run_app(args: Args, config: Config) -> Result<(), anyhow::Error> {
+async fn run_app(
+    args: Args,
+    config: Config,
+    target_reader_writer: &TargetReaderWriter,
+) -> Result<(), anyhow::Error> {
     if let Some(subcommands) = args.subcommands {
         match subcommands {
             Subcommands::Config(args) => cmd::configure(config, args)?,
-            Subcommands::Import(args) => cmd::import(config, args).await?,
-            Subcommands::Sync(args) => cmd::sync(&config, &args).await?,
-            Subcommands::Fetch(args) => cmd::fetch(&config, &args).await?,
-            Subcommands::Clean(args) => cmd::clean(&config, &args).await?,
-            Subcommands::Add(args) => cmd::add(config, args).await?,
-            Subcommands::Remove(args) => cmd::remove(config, args).await?,
+            Subcommands::Import(args) => cmd::import(config, args, target_reader_writer).await?,
+            Subcommands::Sync(args) => cmd::sync(&config, &args, target_reader_writer).await?,
+            Subcommands::Fetch(args) => cmd::fetch(&config, &args, target_reader_writer).await?,
+            Subcommands::Clean(args) => cmd::clean(&config, &args, target_reader_writer).await?,
+            Subcommands::Add(args) => cmd::add(config, args, target_reader_writer).await?,
+            Subcommands::Remove(args) => cmd::remove(config, args, target_reader_writer).await?,
         }
     } else if let Some(pattern) = &args.pattern {
-        cmd::search(pattern, &config, &args)?;
+        cmd::search(pattern, &config, &args, target_reader_writer)?;
     } else {
         return Err(anyhow!("Missing search pattern: `bogrep <pattern>`"));
     }