diff --git a/internal/cli/kill_cmd.go b/internal/cli/kill_cmd.go
index 0225e98..a3e1d3b 100644
--- a/internal/cli/kill_cmd.go
+++ b/internal/cli/kill_cmd.go
@@ -7,10 +7,9 @@ import (
 )
 
 var killCmd = &cobra.Command{
-	Use:               "kill [session]",
+	Use:               "kill [session...]",
 	Aliases:           []string{"k"},
-	Short:             "Kill a running tmux session (current session if no arg)",
-	Args:              cobra.MaximumNArgs(1),
+	Short:             "Kill running tmux sessions (current session if no arg)",
 	RunE:              runKill,
 	ValidArgsFunction: completeRunningSessions,
 }
@@ -19,24 +18,26 @@ func runKill(cmd *cobra.Command, args []string) error {
 	opts := GetOpts()
 
 	if len(args) > 0 {
-		sessionName := args[0]
-		// Check if session exists
-		if !tmux.SessionExists(opts, sessionName) {
-			return NewUserError("tmux session '" + sessionName + "' does not exist")
+		var errs []error
+		for _, sessionName := range args {
+			if !tmux.SessionExists(opts, sessionName) {
+				errs = append(errs, NewUserError("tmux session '"+sessionName+"' does not exist"))
+				continue
+			}
+			if err := tmux.KillSession(opts, sessionName); err != nil {
+				errs = append(errs, err)
+			}
 		}
-		return tmux.KillSession(opts, sessionName)
+		return joinErrors(errs)
 	}
 
 	// No arg - kill current session
 	return exec.RunCommand(opts, "tmux kill-session")
 }
 
-// completeRunningSessions returns running session names for shell completion
+// completeRunningSessions returns running session names for shell completion,
+// excluding sessions already provided as arguments.
 func completeRunningSessions(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
-	// Don't complete if we already have an argument
-	if len(args) > 0 {
-		return nil, cobra.ShellCompDirectiveNoFileComp
-	}
-
-	return tmux.GetSessionNames(), cobra.ShellCompDirectiveNoFileComp
+	all := tmux.GetSessionNames()
+	return filterUsed(all, args), cobra.ShellCompDirectiveNoFileComp
 }
diff --git a/internal/cli/remove_cmd.go b/internal/cli/remove_cmd.go
index 95e5a1e..b4a22ed 100644
--- a/internal/cli/remove_cmd.go
+++ b/internal/cli/remove_cmd.go
@@ -11,12 +11,12 @@ import (
 var removeConfigFile string
 
 var removeCmd = &cobra.Command{
-	Use:               "remove <key>",
+	Use:               "remove <key...>",
 	Aliases:           []string{"rm"},
-	Short:             "Remove a tmux workspace from the config file",
-	Args:              cobra.ExactArgs(1),
+	Short:             "Remove tmux workspaces from the config file",
+	Args:              cobra.MinimumNArgs(1),
 	RunE:              runRemove,
-	ValidArgsFunction: completeSessionNames,
+	ValidArgsFunction: completeSessionNamesMulti,
 }
 
 func init() {
@@ -25,30 +25,32 @@ func init() {
 
 func runRemove(cmd *cobra.Command, args []string) error {
 	opts := GetOpts()
-	key := args[0]
 
-	// Verify the key exists
 	allConfig, err := config.GetTmuxConfig()
 	if err != nil {
 		return err
 	}
 
-	_, actualKey, exists := allConfig.Get(key)
-	if !exists {
-		return NewUserError("tmux config item '" + key + "' not found")
+	var errs []error
+	for _, key := range args {
+		_, actualKey, exists := allConfig.Get(key)
+		if !exists {
+			errs = append(errs, NewUserError("tmux config item '"+key+"' not found"))
+			continue
+		}
+
+		err = config.RemoveConfigFromFile(actualKey, removeConfigFile, opts.Dry)
+		if err != nil {
+			errs = append(errs, err)
+			continue
+		}
+
+		if !opts.Dry {
+			fmt.Printf("Removed tmux config item '%s'\n", key)
+		}
+
+		exec.Log(opts, "Removed config item:", key)
 	}
 
-	err = config.RemoveConfigFromFile(actualKey, removeConfigFile, opts.Dry)
-	if err != nil {
-		return err
-	}
-
-	if !opts.Dry {
-		fmt.Printf("Removed tmux config item '%s'\n", key)
-	}
-
-	// Log action in verbose/dry mode
-	exec.Log(opts, "Removed config item:", key)
-
-	return nil
+	return joinErrors(errs)
 }
diff --git a/internal/cli/remove_cmd_test.go b/internal/cli/remove_cmd_test.go
index d2e59e9..af18cee 100644
--- a/internal/cli/remove_cmd_test.go
+++ b/internal/cli/remove_cmd_test.go
@@ -9,7 +9,7 @@ func TestRemoveCmd_Exists(t *testing.T) {
 		t.Error("expected removeCmd to not be nil")
 	}
 
-	if removeCmd.Use != "remove <key>" {
+	if removeCmd.Use != "remove <key...>" {
 		t.Errorf("unexpected Use: %q", removeCmd.Use)
 	}
 }
diff --git a/internal/cli/root.go b/internal/cli/root.go
index a511a5e..946751b 100644
--- a/internal/cli/root.go
+++ b/internal/cli/root.go
@@ -1,6 +1,7 @@
 package cli
 
 import (
+	"errors"
 	"fmt"
 	"os"
 
@@ -41,6 +42,11 @@ func NewUserError(message string) *UserError {
 	return &UserError{Message: message}
 }
 
+// joinErrors combines multiple errors into one, returning nil if there are none.
+func joinErrors(errs []error) error {
+	return errors.Join(errs...)
+}
+
 // rootCmd represents the base command
 var rootCmd = &cobra.Command{
 	Use:   "tx [session]",
@@ -79,6 +85,39 @@ func completeSessionNames(cmd *cobra.Command, args []string, toComplete string)
 	return names, cobra.ShellCompDirectiveNoFileComp
 }
 
+// completeSessionNamesMulti returns session names excluding already-provided args.
+func completeSessionNamesMulti(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
+	cfg, err := config.GetTmuxConfig()
+	if err != nil {
+		return nil, cobra.ShellCompDirectiveNoFileComp
+	}
+
+	var names []string
+	for name, item := range cfg {
+		if name != config.ConfigKey {
+			names = append(names, name)
+			names = append(names, item.Aliases...)
+		}
+	}
+
+	return filterUsed(names, args), cobra.ShellCompDirectiveNoFileComp
+}
+
+// filterUsed returns items from candidates that are not already in used.
+func filterUsed(candidates []string, used []string) []string {
+	seen := make(map[string]bool, len(used))
+	for _, u := range used {
+		seen[u] = true
+	}
+	var result []string
+	for _, c := range candidates {
+		if !seen[c] {
+			result = append(result, c)
+		}
+	}
+	return result
+}
+
 // buildFzfItems creates fzf items from a config file
 func buildFzfItems(cfg config.ConfigFile) []fzf.Item {
 	items := make([]fzf.Item, 0, len(cfg))