diff --git a/nix/home/zsh/zsh.nix b/nix/home/zsh/zsh.nix
index 4c685ee..3c2f477 100644
--- a/nix/home/zsh/zsh.nix
+++ b/nix/home/zsh/zsh.nix
@@ -22,15 +22,10 @@
     # oh-my-zsh
     oh-my-zsh = {
       enable  = true;
-      plugins = [ "git" "tmux" ];
+      plugins = [ "git" ];
       theme   = "bira";
     };
 
-    # zsh env
-    envExtra = ''
-      ZSH_TMUX_AUTOSTART=true;
-    '';
-
     # aliasses
     shellAliases = {