diff --git a/src/cli/commands/rm.rs b/src/cli/commands/rm.rs
index 2c72283..cee440a 100644
--- a/src/cli/commands/rm.rs
+++ b/src/cli/commands/rm.rs
@@ -12,18 +12,46 @@ pub async fn execute(
   lockfile_path: &Path,
   _config_path: &Path,
 ) -> Result<()> {
-  log::info!("Removing projects: {:?}", args.inputs);
-
   // Load expects directory path, so get parent directory
   let lockfile_dir = lockfile_path.parent().unwrap_or(Path::new("."));
   let mut lockfile = LockFile::load(lockfile_dir)?;
 
+  // Determine which projects to remove
+  let inputs: Vec<String> = if args.all {
+    log::info!("Removing all projects from lockfile");
+    lockfile
+      .projects
+      .iter()
+      .filter_map(|p| {
+        p.pakku_id
+          .clone()
+          .or_else(|| p.slug.values().next().cloned())
+      })
+      .collect()
+  } else {
+    args.inputs.clone()
+  };
+
+  if inputs.is_empty() {
+    return if args.all {
+      Err(PakkerError::ProjectNotFound(
+        "No projects found in lockfile".to_string(),
+      ))
+    } else {
+      Err(PakkerError::ProjectNotFound(
+        "No projects specified".to_string(),
+      ))
+    };
+  }
+
+  log::info!("Removing projects: {:?}", inputs);
+
   let mut removed_count = 0;
   let mut removed_ids = Vec::new();
   let mut projects_to_remove = Vec::new();
 
   // First, identify all projects to remove
-  for input in &args.inputs {
+  for input in &inputs {
     // Find project by various identifiers
     if let Some(project) = lockfile.projects.iter().find(|p| {
       p.pakku_id.as_deref() == Some(input)
@@ -32,7 +60,7 @@ pub async fn execute(
         || p.aliases.contains(input)
     }) {
       projects_to_remove.push(project.get_name());
-    } else {
+    } else if !args.all {
       log::warn!("Project not found: {input}");
     }
   }
@@ -43,7 +71,8 @@ pub async fn execute(
     ));
   }
 
-  // Ask for confirmation unless --yes flag is provided
+  // Ask for confirmation unless --yes flag is provided or --all with no
+  // projects
   if !args.yes {
     println!("The following projects will be removed:");
     for name in &projects_to_remove {
@@ -57,7 +86,7 @@ pub async fn execute(
   }
 
   // Now actually remove the projects
-  for input in &args.inputs {
+  for input in &inputs {
     if let Some(pos) = lockfile.projects.iter().position(|p| {
       p.pakku_id.as_deref() == Some(input)
         || p.slug.values().any(|s| s == input)