diff --git a/autotests/integration/kwin_wayland_test.h b/autotests/integration/kwin_wayland_test.h
index 1bca957979..4d5966d9ca 100644
--- a/autotests/integration/kwin_wayland_test.h
+++ b/autotests/integration/kwin_wayland_test.h
@@ -710,7 +710,7 @@ std::unique_ptr<XdgPopup> createXdgPopupSurface(KWayland::Client::Surface *surfa
                                                 CreationSetup configureMode = CreationSetup::CreateAndConfigure);
 
 std::unique_ptr<XdgToplevelDecorationV1> createXdgToplevelDecorationV1(XdgToplevel *toplevel);
-IdleInhibitorV1 *createIdleInhibitorV1(KWayland::Client::Surface *surface);
+std::unique_ptr<IdleInhibitorV1> createIdleInhibitorV1(KWayland::Client::Surface *surface);
 AutoHideScreenEdgeV1 *createAutoHideScreenEdgeV1(KWayland::Client::Surface *surface, uint32_t border);
 CursorShapeDeviceV1 *createCursorShapeDeviceV1(KWayland::Client::Pointer *pointer);
 
diff --git a/autotests/integration/test_helpers.cpp b/autotests/integration/test_helpers.cpp
index f909a03270..9389d2cf9d 100644
--- a/autotests/integration/test_helpers.cpp
+++ b/autotests/integration/test_helpers.cpp
@@ -1047,7 +1047,7 @@ std::unique_ptr<XdgToplevelDecorationV1> createXdgToplevelDecorationV1(XdgToplev
     return std::make_unique<XdgToplevelDecorationV1>(manager, toplevel);
 }
 
-IdleInhibitorV1 *createIdleInhibitorV1(KWayland::Client::Surface *surface)
+std::unique_ptr<IdleInhibitorV1> createIdleInhibitorV1(KWayland::Client::Surface *surface)
 {
     IdleInhibitManagerV1 *manager = s_waylandConnection.idleInhibitManagerV1;
     if (!manager) {
@@ -1055,7 +1055,7 @@ IdleInhibitorV1 *createIdleInhibitorV1(KWayland::Client::Surface *surface)
         return nullptr;
     }
 
-    return new IdleInhibitorV1(manager, surface);
+    return std::make_unique<IdleInhibitorV1>(manager, surface);
 }
 
 AutoHideScreenEdgeV1 *createAutoHideScreenEdgeV1(KWayland::Client::Surface *surface, uint32_t border)