diff --git a/pkgs/applications/audio/ladspa-sdk/default.nix b/pkgs/by-name/la/ladspa-sdk/package.nix
similarity index 82%
rename from pkgs/applications/audio/ladspa-sdk/default.nix
rename to pkgs/by-name/la/ladspa-sdk/package.nix
index 0103db6a7422..6f154ea224d8 100644
--- a/pkgs/applications/audio/ladspa-sdk/default.nix
+++ b/pkgs/by-name/la/ladspa-sdk/package.nix
@@ -4,22 +4,22 @@
   fetchurl,
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "ladspa-sdk";
   version = "1.15";
   src = fetchurl {
-    url = "https://www.ladspa.org/download/ladspa_sdk_${version}.tgz";
+    url = "https://www.ladspa.org/download/ladspa_sdk_${finalAttrs.version}.tgz";
     sha256 = "1vgx54cgsnc3ncl9qbgjbmq12c444xjafjkgr348h36j16draaa2";
   };
 
-  sourceRoot = "ladspa_sdk_${version}/src";
+  sourceRoot = "ladspa_sdk_${finalAttrs.version}/src";
 
   strictDeps = true;
 
   patchPhase = ''
     sed -i 's@/usr/@$(out)/@g'  Makefile
     substituteInPlace Makefile \
-      --replace /tmp/test.wav $NIX_BUILD_TOP/${sourceRoot}/test.wav
+      --replace /tmp/test.wav $NIX_BUILD_TOP/${finalAttrs.sourceRoot}/test.wav
   '';
 
   makeFlags = [
@@ -47,4 +47,4 @@ stdenv.mkDerivation rec {
     maintainers = [ lib.maintainers.magnetophon ];
     platforms = lib.platforms.linux;
   };
-}
+})
diff --git a/pkgs/applications/audio/ladspa-sdk/ladspah.nix b/pkgs/by-name/la/ladspaH/package.nix
similarity index 84%
rename from pkgs/applications/audio/ladspa-sdk/ladspah.nix
rename to pkgs/by-name/la/ladspaH/package.nix
index fae714eb19ae..7c2515002b1c 100644
--- a/pkgs/applications/audio/ladspa-sdk/ladspah.nix
+++ b/pkgs/by-name/la/ladspaH/package.nix
@@ -3,11 +3,11 @@
   stdenv,
   fetchurl,
 }:
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "ladspa.h";
   version = "1.15";
   src = fetchurl {
-    url = "https://www.ladspa.org/download/ladspa_sdk_${version}.tgz";
+    url = "https://www.ladspa.org/download/ladspa_sdk_${finalAttrs.version}.tgz";
     sha256 = "1vgx54cgsnc3ncl9qbgjbmq12c444xjafjkgr348h36j16draaa2";
   };
 
@@ -27,4 +27,4 @@ stdenv.mkDerivation rec {
     maintainers = [ lib.maintainers.magnetophon ];
     platforms = lib.platforms.all;
   };
-}
+})
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 2431e91887a0..45b2ee319010 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -11647,14 +11647,10 @@ with pkgs;
 
   kvirc = libsForQt5.callPackage ../applications/networking/irc/kvirc { };
 
-  ladspaH = callPackage ../applications/audio/ladspa-sdk/ladspah.nix { };
-
   ladspaPlugins = callPackage ../applications/audio/ladspa-plugins {
     fftw = fftwSinglePrec;
   };
 
-  ladspa-sdk = callPackage ../applications/audio/ladspa-sdk { };
-
   lemonbar = callPackage ../applications/window-managers/lemonbar { };
 
   lemonbar-xft = callPackage ../applications/window-managers/lemonbar/xft.nix { };