diff --git a/pkgs/applications/misc/kdbplus/default.nix b/pkgs/applications/misc/kdbplus/default.nix
deleted file mode 100644
index 05d1c98e56ac..000000000000
--- a/pkgs/applications/misc/kdbplus/default.nix
+++ /dev/null
@@ -1,76 +0,0 @@
-{ lib, stdenv, requireFile, unzip, rlwrap, bash, zlib }:
-
-assert (stdenv.hostPlatform.system == "i686-linux");
-
-let
-  libPath = lib.makeLibraryPath
-    [ stdenv.cc.libc stdenv.cc.cc zlib ];
-in
-stdenv.mkDerivation rec {
-  pname = "kdbplus";
-  version = "3.6";
-
-  src = requireFile rec {
-    message = ''
-      Nix can't download kdb+ for you automatically. Go to
-      http://kx.com and download the free, 32-bit version for
-      Linux. Then run "nix-prefetch-url file://\$PWD/${name}" in
-      the directory where you saved it. Note you need version ${version}.
-    '';
-    name   = "linuxx86.zip";
-    sha256 = "0w6znd9warcqx28vf648n0vgmxyyy9kvsfpsfw37d1kp5finap4p";
-  };
-
-  dontStrip = true;
-  nativeBuildInputs = [ unzip ];
-
-  phases = "unpackPhase installPhase";
-  unpackPhase = "mkdir ${pname}-${version} && cd ${pname}-${version} && unzip -qq ${src}";
-  installPhase = ''
-    mkdir -p $out/bin $out/libexec
-
-    patchelf \
-      --interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
-      --set-rpath ${libPath} \
-      ./q/l32/q
-    mv ./q/l32/q $out/libexec/q
-
-    # Shell script wrappers to make things more convenient...
-
-    cat > $out/bin/q-install <<- EOF
-    #!${bash}/bin/bash
-    if [ -f \$HOME/q/q.k ]; then
-      echo "kdb has already been unpacked in \$HOME. Skipping..."
-      exit 0
-    fi
-    echo -n "Unzipping ${src} into \$HOME... "
-    cd \$HOME && ${unzip}/bin/unzip -qq ${src}
-    echo "Done"
-    EOF
-
-    cat > $out/bin/q <<- EOF
-    #!${bash}/bin/bash
-    if [ ! -f \$HOME/q/q.k ]; then
-      echo "ERROR: You need to unzip the Q sources into \$HOME before running q."
-      echo
-      echo "Try:"
-      echo "  cd \$HOME && unzip ${src}"
-      echo "(or run q-install)"
-      exit 1
-    fi
-
-    exec ${rlwrap}/bin/rlwrap $out/libexec/q \$@
-    EOF
-
-    chmod +x $out/bin/q $out/bin/q-install
-  '';
-
-  meta = {
-    description = "Analytics and time-series database";
-    homepage    = "http://www.kx.com/";
-    sourceProvenance = with lib.sourceTypes; [ binaryNativeCode ];
-    license     = lib.licenses.unfree;
-    platforms   = [ "i686-linux" ];
-    maintainers = [ lib.maintainers.thoughtpolice ];
-  };
-}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 539f3e4c554d..fbf1a40bdcd1 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -586,6 +586,7 @@ mapAliases ({
   kube3d = k3d; # Added 2022-0705
   kafkacat = kcat; # Added 2021-10-07
   kak-lsp = kakoune-lsp; # Added 2024-04-01
+  kdbplus = throw "'kdbplus' has been removed from nixpkgs"; # Added 2024-05-06
   kdeconnect = plasma5Packages.kdeconnect-kde; # Added 2020-10-28
   keepassx = throw "KeePassX is no longer actively developed. Please consider KeePassXC as a maintained alternative."; # Added 2023-02-17
   keepassx2 = throw "KeePassX is no longer actively developed. Please consider KeePassXC as a maintained alternative."; # Added 2023-02-17
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 628cbadf9136..c626dececd01 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -9590,8 +9590,6 @@ with pkgs;
 
   kdoctor = callPackage ../development/tools/kdoctor { };
 
-  kdbplus = pkgsi686Linux.callPackage ../applications/misc/kdbplus { };
-
   kdigger = callPackage ../tools/security/kdigger { };
 
   kdiskmark = libsForQt5.callPackage ../tools/filesystems/kdiskmark { };