diff --git a/README.md b/README.md
index 49b03e9a..c97b061f 100644
--- a/README.md
+++ b/README.md
@@ -52,7 +52,7 @@ Check out [modules/examples](https://github.com/LnL7/nix-darwin/tree/master/modu
   # List packages installed in system profile. To search by name, run:
   # $ nix-env -qaP | grep wget
   environment.systemPackages =
-    [ pkgs.nix-repl
+    [ pkgs.vim
     ];
 
   # Auto upgrade nix package and the daemon service.
diff --git a/modules/environment/default.nix b/modules/environment/default.nix
index a6fcf266..3ab07564 100644
--- a/modules/environment/default.nix
+++ b/modules/environment/default.nix
@@ -20,7 +20,7 @@ in {
     environment.systemPackages = mkOption {
       type = types.listOf types.package;
       default = [];
-      example = literalExample "[ pkgs.nix-repl pkgs.vim ]";
+      example = literalExample "[ pkgs.curl pkgs.vim ]";
       description = ''
         The set of packages that appear in
         /run/current-system/sw.  These packages are
diff --git a/modules/examples/hydra.nix b/modules/examples/hydra.nix
index 97dfddf8..ddd9a638 100644
--- a/modules/examples/hydra.nix
+++ b/modules/examples/hydra.nix
@@ -10,12 +10,6 @@ let
 in
 
 {
-  # List packages installed in system profile. To search by name, run:
-  # $ nix-env -qaP | grep wget
-  environment.systemPackages =
-    [ pkgs.nix-repl
-    ];
-
   # Create /etc/bashrc that loads the nix-darwin environment.
   programs.bash.enable = true;
   programs.bash.enableCompletion = false;
diff --git a/modules/examples/ofborg.nix b/modules/examples/ofborg.nix
index 49b4793b..73169054 100644
--- a/modules/examples/ofborg.nix
+++ b/modules/examples/ofborg.nix
@@ -14,7 +14,6 @@ with lib;
 
   # Keep nix-daemon updated.
   services.nix-daemon.enable = true;
-  nix.package = pkgs.nixUnstable;
 
   nix.gc.automatic = true;
   nix.gc.options = "--max-freed $((25 * 1024**3 - 1024 * $(df -P -k /nix/store | tail -n 1 | awk '{ print $4 }')))";
diff --git a/modules/examples/simple.nix b/modules/examples/simple.nix
index 9b914ba9..9f18ef1e 100644
--- a/modules/examples/simple.nix
+++ b/modules/examples/simple.nix
@@ -4,7 +4,7 @@
   # List packages installed in system profile. To search by name, run:
   # $ nix-env -qaP | grep wget
   environment.systemPackages =
-    [ pkgs.nix-repl
+    [ pkgs.vim
     ];
 
   # Auto upgrade nix package and the daemon service.
diff --git a/release.nix b/release.nix
index 4511de67..28c8eadc 100644
--- a/release.nix
+++ b/release.nix
@@ -59,7 +59,7 @@ let
 
   packageSet = {
     inherit (pkgs)
-      stdenv bash zsh nix nix-repl
+      stdenv bash zsh nix
       tmux reattach-to-user-namespace
       nano emacs vim;
   };
@@ -73,7 +73,6 @@ let
           jobs.bash.x86_64-darwin
           jobs.zsh.x86_64-darwin
           jobs.nix.x86_64-darwin
-          jobs.nix-repl.x86_64-darwin
           jobs.reattach-to-user-namespace.x86_64-darwin
           jobs.tmux.x86_64-darwin
           jobs.nano.x86_64-darwin