diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 7dfe86967e25..05569c6d2f6b 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -1414,6 +1414,7 @@ mapAliases {
   qtile-unwrapped = throw "'qtile-unwrapped' has been renamed to/replaced by 'python3.pkgs.qtile'"; # Converted to throw 2025-10-27
   quantum-espresso-mpi = throw "'quantum-espresso-mpi' has been renamed to/replaced by 'quantum-espresso'"; # Converted to throw 2025-10-27
   quaternion-qt5 = throw "'quaternion-qt5' has been removed as quaternion dropped Qt5 support with v0.0.97.1"; # Added 2025-05-24
+  quaternion-qt6 = warnAlias "'quaternion-qt6 has been renamed to quaternion"; # Added 2025-12-31
   qubes-core-vchan-xen = throw "'qubes-core-vchan-xen' has been removed because it has been marked as broken since at least November 2024."; # Added 2025-10-11
   quicksynergy = throw "'quicksynergy' has been removed due to lack of maintenance upstream. Consider using 'deskflow' instead."; # Added 2025-06-18
   quictls = throw "'quictls' has been removed. QUIC support is now available in `openssl`.";
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 9bce7e6e5c84..b904a8bd18aa 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1670,10 +1670,8 @@ with pkgs;
     charles5
     ;
 
-  quaternion-qt6 =
-    qt6Packages.callPackage ../applications/networking/instant-messengers/quaternion
+  quaternion =  qt6Packages.callPackage ../applications/networking/instant-messengers/quaternion
       { };
-  quaternion = quaternion-qt6;
 
   tensor = libsForQt5.callPackage ../applications/networking/instant-messengers/tensor { };