diff --git a/tests/modules/misc/qt/qt-basic.nix b/tests/modules/misc/qt/qt-basic.nix
index a4cadcb73..d0e8a2c3e 100644
--- a/tests/modules/misc/qt/qt-basic.nix
+++ b/tests/modules/misc/qt/qt-basic.nix
@@ -1,12 +1,10 @@
 {
-  config = {
-    qt.enable = true;
+  qt.enable = true;
 
-    nmt.script = ''
-      assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
-        'QT_PLUGIN_PATH'
-      assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
-        'QML2_IMPORT_PATH'
-    '';
-  };
+  nmt.script = ''
+    assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
+      'QT_PLUGIN_PATH'
+    assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
+      'QML2_IMPORT_PATH'
+  '';
 }
diff --git a/tests/modules/misc/qt/qt-platform-theme-gnome.nix b/tests/modules/misc/qt/qt-platform-theme-gnome.nix
index ab65f146a..ca5829ee7 100644
--- a/tests/modules/misc/qt/qt-platform-theme-gnome.nix
+++ b/tests/modules/misc/qt/qt-platform-theme-gnome.nix
@@ -1,27 +1,30 @@
 {
-  config = {
-    qt = {
-      enable = true;
-      # Check if still backwards compatible
-      platformTheme = "gnome";
-      style.name = "adwaita";
-    };
-
-    test.stubs.qgnomeplatform = { };
-
-    nmt.script = ''
-      assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
-        'QT_QPA_PLATFORMTHEME="gnome"'
-      assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
-        'QT_STYLE_OVERRIDE="adwaita"'
-      assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
-        'QT_PLUGIN_PATH'
-      assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
-        'QML2_IMPORT_PATH'
-    '';
-    test.asserts.warnings.expected = [
-      "The option `qt.platformTheme` has been renamed to `qt.platformTheme.name`."
-      "The value `gnome` for option `qt.platformTheme` is deprecated. Use `adwaita` instead."
-    ];
+  qt = {
+    enable = true;
+    # Check if still backwards compatible
+    platformTheme = "gnome";
+    style.name = "adwaita";
   };
+
+  test.stubs = {
+    qgnomeplatform = { };
+    qgnomeplatform-qt6 = { };
+    adwaita-qt = { };
+    adwaita-qt6 = { };
+  };
+
+  nmt.script = ''
+    assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
+      'QT_QPA_PLATFORMTHEME="gnome"'
+    assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
+      'QT_STYLE_OVERRIDE="adwaita"'
+    assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
+      'QT_PLUGIN_PATH'
+    assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
+      'QML2_IMPORT_PATH'
+  '';
+  test.asserts.warnings.expected = [
+    "The option `qt.platformTheme` has been renamed to `qt.platformTheme.name`."
+    "The value `gnome` for option `qt.platformTheme` is deprecated. Use `adwaita` instead."
+  ];
 }
diff --git a/tests/modules/misc/qt/qt-platform-theme-gtk.nix b/tests/modules/misc/qt/qt-platform-theme-gtk.nix
index 76a6512f8..22107016c 100644
--- a/tests/modules/misc/qt/qt-platform-theme-gtk.nix
+++ b/tests/modules/misc/qt/qt-platform-theme-gtk.nix
@@ -1,18 +1,31 @@
 {
-  config = {
-    qt = {
-      enable = true;
-      platformTheme.name = "gtk";
-    };
-    i18n.inputMethod.enabled = "fcitx5";
+  imports = [ ../../i18n/input-method/fcitx5-stubs.nix ];
 
-    nmt.script = ''
-      assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
-        'QT_QPA_PLATFORMTHEME="gtk2"'
-      assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
-        'QT_PLUGIN_PATH'
-      assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
-        'QML2_IMPORT_PATH'
-    '';
+  qt = {
+    enable = true;
+    platformTheme.name = "gtk";
   };
+
+  i18n.inputMethod.enabled = "fcitx5";
+
+  nixpkgs.overlays = [
+    (final: prev: {
+      libsForQt5 = prev.libsForQt5.overrideScope (qt5final: qt5prev: {
+        qtstyleplugins = prev.mkStubPackage { outPath = null; };
+      });
+
+      qt6Packages = prev.qt6Packages.overrideScope (qt6final: qt6prev: {
+        qt6gtk2 = prev.mkStubPackage { outPath = null; };
+      });
+    })
+  ];
+
+  nmt.script = ''
+    assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
+      'QT_QPA_PLATFORMTHEME="gtk2"'
+    assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
+      'QT_PLUGIN_PATH'
+    assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
+      'QML2_IMPORT_PATH'
+  '';
 }
diff --git a/tests/modules/misc/qt/qt-platform-theme-gtk3.nix b/tests/modules/misc/qt/qt-platform-theme-gtk3.nix
index 264088186..e55ad0be6 100644
--- a/tests/modules/misc/qt/qt-platform-theme-gtk3.nix
+++ b/tests/modules/misc/qt/qt-platform-theme-gtk3.nix
@@ -1,17 +1,15 @@
 {
-  config = {
-    qt = {
-      enable = true;
-      platformTheme.name = "gtk3";
-    };
-
-    nmt.script = ''
-      assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
-        'QT_QPA_PLATFORMTHEME="gtk3"'
-      assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
-        'QT_PLUGIN_PATH'
-      assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
-        'QML2_IMPORT_PATH'
-    '';
+  qt = {
+    enable = true;
+    platformTheme.name = "gtk3";
   };
+
+  nmt.script = ''
+    assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
+      'QT_QPA_PLATFORMTHEME="gtk3"'
+    assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
+      'QT_PLUGIN_PATH'
+    assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
+      'QML2_IMPORT_PATH'
+  '';
 }