diff --git a/tv/5pkgs/haskell/mailaids.nix b/tv/5pkgs/haskell/mailaids.nix
index b705c7c69..f152a76f4 100644
--- a/tv/5pkgs/haskell/mailaids.nix
+++ b/tv/5pkgs/haskell/mailaids.nix
@@ -1,6 +1,6 @@
 { mkDerivation, aeson, aeson-pretty, base, bytestring
 , case-insensitive, fetchgit, lens, optparse-applicative
-, purebred-email, stdenv, text, vector, word8
+, purebred-email, lib, text, vector, word8
 }:
 mkDerivation {
   pname = "mailaids";
@@ -17,5 +17,5 @@ mkDerivation {
     aeson aeson-pretty base bytestring case-insensitive lens
     optparse-applicative purebred-email text vector word8
   ];
-  license = stdenv.lib.licenses.mit;
+  license = lib.licenses.mit;
 }
diff --git a/tv/5pkgs/haskell/th-env/default.nix b/tv/5pkgs/haskell/th-env/default.nix
index 474a63b85..158fb165a 100644
--- a/tv/5pkgs/haskell/th-env/default.nix
+++ b/tv/5pkgs/haskell/th-env/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, base, stdenv, template-haskell, text }:
+{ mkDerivation, base, lib, template-haskell, text }:
 mkDerivation {
   pname = "th-env";
   version = "1.0.0";
@@ -6,5 +6,5 @@ mkDerivation {
   libraryHaskellDepends = [ base template-haskell text ];
   homepage = "https://stackoverflow.com/q/57635686";
   license = "unknown";
-  hydraPlatforms = stdenv.lib.platforms.none;
+  hydraPlatforms = lib.platforms.none;
 }