diff --git a/pkgs/applications/networking/instant-messengers/psi-plus/default.nix b/pkgs/applications/networking/instant-messengers/psi-plus/default.nix
index 430a7cc4ca77..cf7c1008a080 100644
--- a/pkgs/applications/networking/instant-messengers/psi-plus/default.nix
+++ b/pkgs/applications/networking/instant-messengers/psi-plus/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchFromGitHub, cmake, wrapQtAppsHook
 , qtbase, qtmultimedia, qtx11extras, qttools, qtwebengine
-, libidn, qca2-qt5, libsecret, libXScrnSaver, hunspell
+, libidn, qca-qt5, libsecret, libXScrnSaver, hunspell
 , libgcrypt, libotr, html-tidy, libgpgerror, libsignal-protocol-c
 }:
 
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [
     qtbase qtmultimedia qtx11extras qttools qtwebengine
-    libidn qca2-qt5 libsecret libXScrnSaver hunspell
+    libidn qca-qt5 libsecret libXScrnSaver hunspell
     libgcrypt libotr html-tidy libgpgerror libsignal-protocol-c
   ];
 
diff --git a/pkgs/applications/networking/instant-messengers/psi/default.nix b/pkgs/applications/networking/instant-messengers/psi/default.nix
index 19438c4d037b..c1984a218c8a 100644
--- a/pkgs/applications/networking/instant-messengers/psi/default.nix
+++ b/pkgs/applications/networking/instant-messengers/psi/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchFromGitHub, cmake, wrapQtAppsHook
 , qtbase, qtmultimedia, qtx11extras, qttools, qtwebengine
-, libidn, qca2-qt5, libXScrnSaver, hunspell
+, libidn, qca-qt5, libXScrnSaver, hunspell
 }:
 stdenv.mkDerivation rec {
   pname = "psi";
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake wrapQtAppsHook ];
   buildInputs = [
     qtbase qtmultimedia qtx11extras qttools qtwebengine
-    libidn qca2-qt5 libXScrnSaver hunspell
+    libidn qca-qt5 libXScrnSaver hunspell
   ];
   enableParallelBuilding = true;
   meta = with stdenv.lib; {
diff --git a/pkgs/development/libraries/qoauth/default.nix b/pkgs/development/libraries/qoauth/default.nix
index 85682e2c2a29..386019a00672 100644
--- a/pkgs/development/libraries/qoauth/default.nix
+++ b/pkgs/development/libraries/qoauth/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, qt5, qca2-qt5 }:
+{ stdenv, fetchurl, qt5, qca-qt5 }:
 
 stdenv.mkDerivation {
   name = "qoauth-2.0.0";
@@ -15,10 +15,10 @@ stdenv.mkDerivation {
         -e '/features.path =/ s|$$\[QMAKE_MKSPECS\]|$$NIX_OUTPUT_DEV/mkspecs|'
   '';
 
-  buildInputs = [ qt5.qtbase qca2-qt5 ];
+  buildInputs = [ qt5.qtbase qca-qt5 ];
   nativeBuildInputs = [ qt5.qmake ];
 
-  NIX_CFLAGS_COMPILE = "-I${qca2-qt5}/include/Qca-qt5/QtCrypto";
+  NIX_CFLAGS_COMPILE = "-I${qca-qt5}/include/Qca-qt5/QtCrypto";
   NIX_LDFLAGS = "-lqca-qt5";
 
   meta = with stdenv.lib; {
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 99966a87145f..ac0cdd6d175e 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -14767,7 +14767,6 @@ in
   qbs = libsForQt5.callPackage ../development/tools/build-managers/qbs { };
 
   qca2 = callPackage ../development/libraries/qca2 { qt = qt4; };
-  qca2-qt5 = qca2.override { qt = qt5.qtbase; };
 
   qimageblitz = callPackage ../development/libraries/qimageblitz {};