diff --git a/pkgs/development/tools/misc/asls/default.nix b/pkgs/development/tools/misc/asls/default.nix
deleted file mode 100644
index 9987c9b5426e..000000000000
--- a/pkgs/development/tools/misc/asls/default.nix
+++ /dev/null
@@ -1,25 +0,0 @@
-{ lib, stdenv
-, fetchurl
-, erlangR22
-}:
-
-stdenv.mkDerivation rec {
-  pname = "asls";
-  version = "0.5.1";
-
-  src = fetchurl {
-    url = "https://github.com/saulecabrera/asls/releases/download/v${version}/bin.tar.gz";
-    sha256 = "05kp44p4q4sdykfw0b4k9j3qdp0qvwgjbs48ncmnd0ass0xrmi3s";
-  };
-
-  nativeBuildInputs = [ erlangR22 ];
-  installPhase = "install -Dm755 -t $out/bin asls";
-
-  meta = with lib; {
-    description = "AssemblyScript Language Server";
-    homepage = "https://github.com/saulecabrera/asls";
-    license = licenses.mit;
-    platforms = platforms.unix;
-    maintainers = with maintainers; [ saulecabrera ];
-  };
-}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index dd2c8c7735c1..f9e8d45c6a47 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -91,6 +91,7 @@ mapAliases ({
   arduino_core = throw "'arduino_core' has been renamed to/replaced by 'arduino-core'"; # Converted to throw 2022-02-22
   arora = throw "arora has been removed"; # Added 2020-09-09
   asciidocFull = throw "'asciidocFull' has been renamed to/replaced by 'asciidoc-full'"; # Converted to throw 2022-02-22
+  asls = throw "asls has been removed: abandoned by upstream"; # Added 2023-03-16
   asterisk_13 = throw "asterisk_13: Asterisk 13 is end of life and has been removed"; # Added 2022-04-06
   asterisk_15 = throw "asterisk_15: Asterisk 15 is end of life and has been removed"; # Added 2020-10-07
   asterisk_17 = throw "asterisk_17: Asterisk 17 is end of life and has been removed"; # Added 2022-04-06
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index f6df133869b1..2552079f8f91 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2788,8 +2788,6 @@ with pkgs;
 
   ashpd-demo = callPackage ../development/tools/ashpd-demo { };
 
-  asls = callPackage ../development/tools/misc/asls { };
-
   astc-encoder = callPackage ../tools/graphics/astc-encoder { };
 
   asymptote = callPackage ../tools/graphics/asymptote {