diff --git a/README.md b/README.md
index 53394972..d34ce7b8 100644
--- a/README.md
+++ b/README.md
@@ -87,6 +87,7 @@ Just run `topgrade`. It will run the following steps:
 ## Flags
 * `-t/--tmux` - Topgrade will launch itself in a new tmux session. This flag has no effect if
   Topgrade already runs inside tmux. This is useful when using topgrade on remote systems.
+* `-c/--cleanup` - Topgrade will instruct package managers to remove old or unused files
 * `-n/--dry-run` - Print what should be run.
 * `--no-system` - Skip the system upgrade phase.
 * `--no-git-repos` - Don't pull custom git repositories.
diff --git a/src/config.rs b/src/config.rs
index 33531b1f..73896386 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -51,6 +51,9 @@ pub struct Opt {
     #[structopt(short = "t", long = "tmux", help = "Run inside tmux")]
     pub run_in_tmux: bool,
 
+    #[structopt(short = "c", long = "cleanup", help = "Cleanup temporary or old files")]
+    pub cleanup: bool,
+
     #[structopt(long = "no-system", help = "Don't perform system upgrade")]
     pub no_system: bool,
 
diff --git a/src/main.rs b/src/main.rs
index bc41d3cf..39fbf3a0 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -240,7 +240,7 @@ fn run() -> Result<(), Error> {
 
     #[cfg(unix)]
     report.push_result(execute(
-        |terminal| unix::run_homebrew(terminal, opt.dry_run),
+        |terminal| unix::run_homebrew(terminal, opt.cleanup, opt.dry_run),
         &mut execution_context,
     )?);
     #[cfg(target_os = "freebsd")]
diff --git a/src/unix.rs b/src/unix.rs
index fa25e969..e1754049 100644
--- a/src/unix.rs
+++ b/src/unix.rs
@@ -52,13 +52,16 @@ pub fn run_fisher(base_dirs: &BaseDirs, terminal: &mut Terminal, dry_run: bool)
 }
 
 #[must_use]
-pub fn run_homebrew(terminal: &mut Terminal, dry_run: bool) -> Option<(&'static str, bool)> {
+pub fn run_homebrew(terminal: &mut Terminal, cleanup: bool, dry_run: bool) -> Option<(&'static str, bool)> {
     if let Some(brew) = which("brew") {
         terminal.print_separator("Brew");
 
         let inner = || -> Result<(), Error> {
             Executor::new(&brew, dry_run).arg("update").spawn()?.wait()?.check()?;
             Executor::new(&brew, dry_run).arg("upgrade").spawn()?.wait()?.check()?;
+            if cleanup {
+                Executor::new(&brew, dry_run).arg("cleanup").spawn()?.wait()?.check()?;
+            }
             Ok(())
         };