diff --git a/codex-rs/tui/src/chatwidget.rs b/codex-rs/tui/src/chatwidget.rs
index ef519d9052..b09e030621 100644
--- a/codex-rs/tui/src/chatwidget.rs
+++ b/codex-rs/tui/src/chatwidget.rs
@@ -1,7 +1,6 @@
 use std::collections::HashMap;
 use std::collections::VecDeque;
 use std::path::PathBuf;
-use std::process::Command;
 use std::sync::Arc;
 
 use codex_core::config::Config;
@@ -738,14 +737,6 @@ impl ChatWidget {
             SlashCommand::Approvals => {
                 self.open_approvals_popup();
             }
-            SlashCommand::Addprompt => {
-                let home = std::env::var("HOME").unwrap_or_else(|_| ".".to_string());
-                let prompts_dir = format!("{home}/.codex/");
-
-                if let Err(e) = Command::new("open").arg(&prompts_dir).spawn() {
-                    tracing::error!("failed to launch 'open prompts': {e}");
-                }
-            }
             SlashCommand::Quit => {
                 self.app_event_tx.send(AppEvent::ExitRequest);
             }
diff --git a/codex-rs/tui/src/slash_command.rs b/codex-rs/tui/src/slash_command.rs
index ec7fee6a3d..6311661b28 100644
--- a/codex-rs/tui/src/slash_command.rs
+++ b/codex-rs/tui/src/slash_command.rs
@@ -14,7 +14,6 @@ pub enum SlashCommand {
     // more frequently used commands should be listed first.
     Model,
     Approvals,
-    Addprompt,
     New,
     Init,
     Compact,
@@ -41,7 +40,6 @@ impl SlashCommand {
             SlashCommand::Status => "show current session configuration and token usage",
             SlashCommand::Model => "choose what model and reasoning effort to use",
             SlashCommand::Approvals => "choose what Codex can do without approval",
-            SlashCommand::Addprompt => "open the prompts folder",
             SlashCommand::Mcp => "list configured MCP tools",
             SlashCommand::Logout => "log out of Codex",
             #[cfg(debug_assertions)]