diff --git a/flake.nix b/flake.nix
index 9454b98..124233e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -39,11 +39,10 @@
             ssg
 
             # Helpful tools for `nix develop` shells
-            #
             ghcid                   # https://github.com/ndmitchell/ghcid
-            #haskell-language-server # https://github.com/haskell/haskell-language-server
-            #hlint                   # https://github.com/ndmitchell/hlint
-            #ormolu                  # https://github.com/tweag/ormolu
+            haskell-language-server # https://github.com/haskell/haskell-language-server
+            hlint                   # https://github.com/ndmitchell/hlint
+            ormolu                  # https://github.com/tweag/ormolu
           ];
 
           withHoogle = true;