diff --git a/pkgs/development/compilers/zig/0.8.1.nix b/pkgs/development/compilers/zig/0.8.1.nix
deleted file mode 100644
index 385b68a79291b..0000000000000
--- a/pkgs/development/compilers/zig/0.8.1.nix
+++ /dev/null
@@ -1,57 +0,0 @@
-{ lib
-, fetchFromGitHub
-, cmake
-, llvmPackages
-, libxml2
-, zlib
-}:
-
-let
-  inherit (llvmPackages) stdenv;
-in
-stdenv.mkDerivation rec {
-  pname = "zig";
-  version = "0.8.1";
-
-  src = fetchFromGitHub {
-    owner = "ziglang";
-    repo = pname;
-    rev = version;
-    hash = "sha256-zMSOH8ZWcvzHRwOgGIbLO9Q6jf1P5QL5KCMD+frp+JA=";
-  };
-
-  nativeBuildInputs = [
-    cmake
-    llvmPackages.llvm.dev
-  ];
-  buildInputs = [
-    libxml2
-    zlib
-  ] ++ (with llvmPackages; [
-    libclang
-    lld
-    llvm
-  ]);
-
-  preBuild = ''
-    export HOME=$TMPDIR;
-  '';
-
-  doCheck = true;
-  checkPhase = ''
-    runHook preCheck
-    ./zig test --cache-dir "$TMPDIR" -I $src/test $src/test/behavior.zig
-    runHook postCheck
-  '';
-
-  meta = with lib; {
-    homepage = "https://ziglang.org/";
-    description =
-      "General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software";
-    license = licenses.mit;
-    maintainers = with maintainers; [ andrewrk AndersonTorres ];
-    platforms = platforms.unix;
-    broken = stdenv.isDarwin; # See https://github.com/NixOS/nixpkgs/issues/86299
-  };
-}
-
diff --git a/pkgs/development/tools/zls/default.nix b/pkgs/development/tools/zls/default.nix
index 0fbe7bc31140e..a48dbf9e30f9f 100644
--- a/pkgs/development/tools/zls/default.nix
+++ b/pkgs/development/tools/zls/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "zls";
-  version = "unstable-2021-06-06";
+  version = "0.9.0";
 
   src = fetchFromGitHub {
     owner = "zigtools";
     repo = pname;
-    rev = "39d87188647bd8c8eed304ee18f2dd1df6942f60";
-    sha256 = "sha256-22N508sVkP1OLySAijhtTPzk2fGf+FVnX9LTYRbRpB4=";
+    rev = version;
+    sha256 = "sha256-MVo21qNCZop/HXBqrPcosGbRY+W69KNCc1DfnH47GsI=";
     fetchSubmodules = true;
   };
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 847a1ad4dc0e0..12adfa37397ed 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -16855,9 +16855,7 @@ with pkgs;
 
   ytt = callPackage ../development/tools/ytt {};
 
-  zls = callPackage ../development/tools/zls {
-    zig = zig_0_8_1;
-  };
+  zls = callPackage ../development/tools/zls { };
 
   zydis = callPackage ../development/libraries/zydis { };
 
@@ -21674,9 +21672,6 @@ with pkgs;
   zig = callPackage ../development/compilers/zig {
     llvmPackages = llvmPackages_13;
   };
-  zig_0_8_1 = callPackage ../development/compilers/zig/0.8.1.nix {
-    llvmPackages = llvmPackages_12;
-  };
 
   zimlib = callPackage ../development/libraries/zimlib { };