diff --git a/src/wayland/autotests/client/test_idle.cpp b/src/wayland/autotests/client/test_idle.cpp
index ded7b80d2e..f1ec7554ff 100644
--- a/src/wayland/autotests/client/test_idle.cpp
+++ b/src/wayland/autotests/client/test_idle.cpp
@@ -135,7 +135,7 @@ void IdleTest::testTimeout()
 
     // simulate some activity
     QVERIFY(resumedFormIdleSpy.isEmpty());
-    m_seatInterface->setTimestamp(1);
+    m_idleInterface->simulateUserActivity();
     QVERIFY(resumedFormIdleSpy.wait());
 
     timeout.reset();
diff --git a/src/wayland/idle_interface.cpp b/src/wayland/idle_interface.cpp
index 60dc1df4b9..0ce4614961 100644
--- a/src/wayland/idle_interface.cpp
+++ b/src/wayland/idle_interface.cpp
@@ -79,9 +79,6 @@ IdleTimeoutInterface::IdleTimeoutInterface(SeatInterface *seat, IdleInterface *m
     , seat(seat)
     , manager(manager)
 {
-    connect(seat, &SeatInterface::timestampChanged, this, [this] {
-        simulateUserActivity();
-    });
     connect(manager, &IdleInterface::inhibitedChanged, this, [this, manager] {
         if (!timer) {
             // not yet configured