diff --git a/pkgs/by-name/ay/ayatana-indicator-display/package.nix b/pkgs/by-name/ay/ayatana-indicator-display/package.nix
index 83adddf1ae61..c13451700809 100644
--- a/pkgs/by-name/ay/ayatana-indicator-display/package.nix
+++ b/pkgs/by-name/ay/ayatana-indicator-display/package.nix
@@ -15,8 +15,6 @@
   intltool,
   libayatana-common,
   libgudev,
-  libqtdbusmock,
-  libqtdbustest,
   librda,
   libsForQt5,
   lomiri,
@@ -91,8 +89,8 @@ stdenv.mkDerivation (finalAttrs: {
 
   checkInputs = [
     gtest
-    libqtdbusmock
-    libqtdbustest
+    libsForQt5.libqtdbusmock
+    libsForQt5.libqtdbustest
     properties-cpp
   ];
 
diff --git a/pkgs/by-name/ay/ayatana-indicator-sound/package.nix b/pkgs/by-name/ay/ayatana-indicator-sound/package.nix
index 142aefe75ad6..623925635e97 100644
--- a/pkgs/by-name/ay/ayatana-indicator-sound/package.nix
+++ b/pkgs/by-name/ay/ayatana-indicator-sound/package.nix
@@ -16,8 +16,6 @@
   libgee,
   libnotify,
   libpulseaudio,
-  libqtdbusmock,
-  libqtdbustest,
   libsForQt5,
   libxml2,
   lomiri,
@@ -99,8 +97,8 @@ stdenv.mkDerivation (finalAttrs: {
     dbus-test-runner
     gtest
     libsForQt5.qtbase
-    libqtdbusmock
-    libqtdbustest
+    libsForQt5.libqtdbusmock
+    libsForQt5.libqtdbustest
     lomiri.gmenuharness
   ];
 
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 9718610bf171..9690224d617f 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -1066,6 +1066,8 @@ mapAliases {
   libpthreadstubs = libpthread-stubs; # Added 2025-02-04
   libpulseaudio-vanilla = throw "'libpulseaudio-vanilla' has been renamed to/replaced by 'libpulseaudio'"; # Converted to throw 2025-10-27
   libqt5pas = throw "'libqt5pas' has been renamed to/replaced by 'libsForQt5.libqtpas'"; # Converted to throw 2025-10-27
+  libqtdbusmock = warnAlias "'libqtdbusmock' has been renamed to 'libsForQt5.libqtdbusmock'"; # Added 2026-03-10
+  libqtdbustest = warnAlias "'libqtdbustest' has been renamed to 'libsForQt5.libqtdbustest'"; # Added 2026-03-10
   libquotient = throw "'libquotient' for qt5 was removed as upstream removed qt5 support. Consider explicitly upgrading to qt6 'libquotient'"; # Converted to throw 2025-07-04
   LibreArp = throw "'LibreArp' has been renamed to/replaced by 'librearp'"; # Converted to throw 2025-10-27
   LibreArp-lv2 = throw "'LibreArp-lv2' has been renamed to/replaced by 'librearp-lv2'"; # Converted to throw 2025-10-27
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 75de0d300208..00d5c1f4f8a1 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6724,14 +6724,6 @@ with pkgs;
   inherit (callPackage ../development/libraries/libliftoff { }) libliftoff_0_4 libliftoff_0_5;
   libliftoff = libliftoff_0_5;
 
-  libqtdbusmock = libsForQt5.callPackage ../development/libraries/libqtdbusmock {
-    inherit (lomiri) cmake-extras;
-  };
-
-  libqtdbustest = libsForQt5.callPackage ../development/libraries/libqtdbustest {
-    inherit (lomiri) cmake-extras;
-  };
-
   libretranslate = with python3.pkgs; toPythonApplication libretranslate;
 
   librsb = callPackage ../development/libraries/librsb {
diff --git a/pkgs/top-level/qt5-packages.nix b/pkgs/top-level/qt5-packages.nix
index 58c73a157878..570f96850641 100644
--- a/pkgs/top-level/qt5-packages.nix
+++ b/pkgs/top-level/qt5-packages.nix
@@ -116,6 +116,14 @@ makeScopeWithSplicing' {
 
         libqofono = callPackage ../development/libraries/libqofono { };
 
+        libqtdbusmock = callPackage ../development/libraries/libqtdbusmock {
+          inherit (pkgs.lomiri) cmake-extras;
+        };
+
+        libqtdbustest = callPackage ../development/libraries/libqtdbustest {
+          inherit (pkgs.lomiri) cmake-extras;
+        };
+
         libqtpas = callPackage ../development/compilers/fpc/libqtpas.nix { };
 
         libqaccessibilityclient = callPackage ../development/libraries/libqaccessibilityclient { };