diff --git a/.tmux b/.tmux
deleted file mode 100755
index 9a2c232..0000000
--- a/.tmux
+++ /dev/null
@@ -1,23 +0,0 @@
-#!/usr/bin/env bash
-
-set -o errexit
-set -o nounset
-
-session_name="${1:-dotfiles-nix}"
-session_path="${2:-$(pwd)}"
-
-if tmux has-session -t="${session_name}" 2> /dev/null; then
-  tmux attach -t "${session_name}" ||
-    tmux switch-client -t "${session_name}"
-fi
-
-tmux new-session -d -s "${session_name}" -n vim -c "${session_path}"
-
-# 1. Main window: Vim
-tmux send-keys -t "${session_name}:vim" "nvim" Enter
-
-# 2. General shell use.
-tmux new-window -t "${session_name}" -c "${session_path}"
-
-tmux switch-client -t "${session_name}:vim.left" ||
-  tmux attach -t "${session_name}:vim.left"
diff --git a/.tmuxinator.yaml b/.tmuxinator.yaml
new file mode 100644
index 0000000..9760194
--- /dev/null
+++ b/.tmuxinator.yaml
@@ -0,0 +1,6 @@
+name: dotfiles-nix
+root: .
+
+windows:
+  - vim: nvim
+  - shell: