diff --git a/src/pty.rs b/src/pty.rs
index ea3e8227..7c82672f 100644
--- a/src/pty.rs
+++ b/src/pty.rs
@@ -34,6 +34,8 @@ PROMPT='%% '
 ";
         std::fs::write(config_path, config)?;
 
+        let _ = std::fs::remove_file(home.join(".zcompdump"));
+
         Self::with_home(bin_root, home)
     }