diff --git a/home/wm/i3/default.nix b/home/wm/i3/default.nix
index 2a99958..f8080ad 100644
--- a/home/wm/i3/default.nix
+++ b/home/wm/i3/default.nix
@@ -157,9 +157,7 @@ in
         keybindings = lib.my.recursiveMerge [
           {
             # The basics
-            "${modifier}+Return" = "exec ${terminal} ${
-              lib.optionalString config.my.home.tmux.enable "-e tmux new-session"
-            }";
+            "${modifier}+Return" = "exec ${terminal}";
             "${modifier}+Shift+Return" = "exec env TMUX=nil ${terminal}";
             "${modifier}+Shift+q" = "kill";
             "${modifier}+f" = "fullscreen toggle";
diff --git a/home/zsh/default.nix b/home/zsh/default.nix
index 5dc9a63..27077cf 100644
--- a/home/zsh/default.nix
+++ b/home/zsh/default.nix
@@ -46,16 +46,6 @@ in
     # Modal editing is life, but CLI benefits from emacs gymnastics
     defaultKeymap = "emacs";
 
-    # Make those happen early to avoid doing double the work
-    initExtraFirst =
-      lib.optionalString config.my.home.tmux.enable ''
-        # Launch tmux unless already inside one
-        if [ -z "$TMUX" ]; then
-          exec tmux new-session
-        fi
-      ''
-    ;
-
     initExtra = lib.concatMapStrings builtins.readFile [
       ./completion-styles.zsh
       ./extra-mappings.zsh