diff --git a/pkgs/development/tools/profiling/heaptrack/default.nix b/pkgs/by-name/he/heaptrack/package.nix
similarity index 87%
rename from pkgs/development/tools/profiling/heaptrack/default.nix
rename to pkgs/by-name/he/heaptrack/package.nix
index e5f6e15696d0..a663250988f0 100644
--- a/pkgs/development/tools/profiling/heaptrack/default.nix
+++ b/pkgs/by-name/he/heaptrack/package.nix
@@ -3,7 +3,6 @@
   stdenv,
   fetchFromGitLab,
   cmake,
-  extra-cmake-modules,
   makeBinaryWrapper,
   zlib,
   boost,
@@ -11,14 +10,7 @@
   elfutils,
   sparsehash,
   zstd,
-  qtbase,
-  wrapQtAppsHook,
-  kio,
-  kitemmodels,
-  threadweaver,
-  kconfigwidgets,
-  kcoreaddons,
-  kdiagram,
+  kdePackages,
 }:
 
 stdenv.mkDerivation {
@@ -35,9 +27,9 @@ stdenv.mkDerivation {
 
   nativeBuildInputs = [
     cmake
-    extra-cmake-modules
+    kdePackages.extra-cmake-modules
     makeBinaryWrapper
-    wrapQtAppsHook
+    kdePackages.wrapQtAppsHook
   ];
 
   buildInputs = [
@@ -46,6 +38,8 @@ stdenv.mkDerivation {
     libunwind
     sparsehash
     zstd
+  ]
+  ++ (with kdePackages; [
     qtbase
     kio
     kitemmodels
@@ -53,7 +47,8 @@ stdenv.mkDerivation {
     kconfigwidgets
     kcoreaddons
     kdiagram
-  ]
+  ])
+
   ++ lib.optionals stdenv.hostPlatform.isLinux [
     elfutils
   ];
diff --git a/pkgs/tools/filesystems/kdiskmark/default.nix b/pkgs/by-name/kd/kdiskmark/package.nix
similarity index 91%
rename from pkgs/tools/filesystems/kdiskmark/default.nix
rename to pkgs/by-name/kd/kdiskmark/package.nix
index c401567ed9b4..70aab77d7243 100644
--- a/pkgs/tools/filesystems/kdiskmark/default.nix
+++ b/pkgs/by-name/kd/kdiskmark/package.nix
@@ -1,14 +1,10 @@
 {
   stdenv,
   lib,
-  wrapQtAppsHook,
-  qtbase,
-  qttools,
   fio,
   cmake,
-  polkit-qt-1,
-  extra-cmake-modules,
   fetchFromGitHub,
+  kdePackages,
 }:
 stdenv.mkDerivation rec {
   pname = "kdiskmark";
@@ -22,13 +18,13 @@ stdenv.mkDerivation rec {
     fetchSubmodules = true;
   };
 
-  nativeBuildInputs = [
+  nativeBuildInputs = with kdePackages; [
     cmake
     extra-cmake-modules
     wrapQtAppsHook
   ];
 
-  buildInputs = [
+  buildInputs = with kdePackages; [
     qtbase
     qttools
     polkit-qt-1
diff --git a/pkgs/applications/networking/ktailctl/default.nix b/pkgs/by-name/kt/ktailctl/package.nix
similarity index 83%
rename from pkgs/applications/networking/ktailctl/default.nix
rename to pkgs/by-name/kt/ktailctl/package.nix
index aa3c56234b22..26207bd9d4de 100644
--- a/pkgs/applications/networking/ktailctl/default.nix
+++ b/pkgs/by-name/kt/ktailctl/package.nix
@@ -1,28 +1,13 @@
 {
   buildGo124Module,
   cmake,
-  extra-cmake-modules,
   fetchFromGitHub,
   git,
   go_1_24,
-  kconfig,
-  kcoreaddons,
-  kdbusaddons,
-  kguiaddons,
-  ki18n,
-  kirigami,
-  kirigami-addons,
-  knotifications,
-  kwindowsystem,
   lib,
   nlohmann_json,
-  qqc2-desktop-style,
-  qtbase,
-  qtdeclarative,
-  qtsvg,
-  qtwayland,
   stdenv,
-  wrapQtAppsHook,
+  kdePackages,
 }:
 
 let
@@ -61,7 +46,7 @@ stdenv.mkDerivation {
     "-DKTAILCTL_FLATPAK_BUILD=ON"
   ];
 
-  nativeBuildInputs = [
+  nativeBuildInputs = with kdePackages; [
     cmake
     extra-cmake-modules
     git
@@ -69,7 +54,7 @@ stdenv.mkDerivation {
     wrapQtAppsHook
   ];
 
-  buildInputs = [
+  buildInputs = with kdePackages; [
     kconfig
     kcoreaddons
     kdbusaddons
diff --git a/pkgs/applications/office/skrooge/default.nix b/pkgs/by-name/sk/skrooge/package.nix
similarity index 80%
rename from pkgs/applications/office/skrooge/default.nix
rename to pkgs/by-name/sk/skrooge/package.nix
index 884f2ff7bc77..6bd4487b1531 100644
--- a/pkgs/applications/office/skrooge/default.nix
+++ b/pkgs/by-name/sk/skrooge/package.nix
@@ -3,30 +3,12 @@
   lib,
   fetchurl,
   cmake,
-  extra-cmake-modules,
   pkg-config,
-  qtbase,
-  wrapQtAppsHook,
-  qtwebengine,
   grantlee,
-  kxmlgui,
-  kwallet,
-  kparts,
-  kdoctools,
-  kjobwidgets,
-  kiconthemes,
-  knewstuff,
   sqlcipher,
-  qca,
-  plasma-activities,
-  karchive,
-  kguiaddons,
-  knotifyconfig,
-  krunner,
-  ktexttemplate,
-  kwindowsystem,
   libofx,
   shared-mime-info,
+  kdePackages,
 }:
 
 stdenv.mkDerivation rec {
@@ -38,7 +20,7 @@ stdenv.mkDerivation rec {
     hash = "sha256-HNui/SjCN9LWxUxHDae59n5qPIwYWHX1uFSlVnwBlL8=";
   };
 
-  nativeBuildInputs = [
+  nativeBuildInputs = with kdePackages; [
     cmake
     extra-cmake-modules
     kdoctools
@@ -47,7 +29,7 @@ stdenv.mkDerivation rec {
     wrapQtAppsHook
   ];
 
-  buildInputs = [
+  buildInputs = with kdePackages; [
     qtbase
     qtwebengine
     grantlee
diff --git a/pkgs/data/themes/whitesur-kde/default.nix b/pkgs/by-name/wh/whitesur-kde/package.nix
similarity index 100%
rename from pkgs/data/themes/whitesur-kde/default.nix
rename to pkgs/by-name/wh/whitesur-kde/package.nix
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index dd117b575af0..d94e805dab58 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -3091,8 +3091,6 @@ with pkgs;
     threadsafe = true;
   };
 
-  heaptrack = kdePackages.callPackage ../development/tools/profiling/heaptrack { };
-
   headscale = callPackage ../servers/headscale { };
 
   highlight = callPackage ../tools/text/highlight {
@@ -3237,8 +3235,6 @@ with pkgs;
 
   kaffeine = libsForQt5.callPackage ../applications/video/kaffeine { };
 
-  kdiskmark = kdePackages.callPackage ../tools/filesystems/kdiskmark { };
-
   keepkey-agent = with python3Packages; toPythonApplication keepkey-agent;
 
   keybase = callPackage ../tools/security/keybase { };
@@ -3384,8 +3380,6 @@ with pkgs;
 
   node2nix = nodePackages.node2nix;
 
-  ktailctl = kdePackages.callPackage ../applications/networking/ktailctl { };
-
   ldapdomaindump = with python3Packages; toPythonApplication ldapdomaindump;
 
   leanblueprint = with python3Packages; toPythonApplication leanblueprint;
@@ -10893,8 +10887,6 @@ with pkgs;
 
   tex-gyre-math = callPackages ../data/fonts/tex-gyre-math { };
 
-  whitesur-kde = kdePackages.callPackage ../data/themes/whitesur-kde { };
-
   xkeyboard_config = xkeyboard-config;
 
   xlsx2csv = with python3Packages; toPythonApplication xlsx2csv;
@@ -12696,8 +12688,6 @@ with pkgs;
 
   super-slicer-latest = super-slicer.latest;
 
-  skrooge = kdePackages.callPackage ../applications/office/skrooge { };
-
   soci = callPackage ../development/libraries/soci { };
 
   socialscan = with python3.pkgs; toPythonApplication socialscan;