diff --git a/autotests/client/test_wayland_slide.cpp b/autotests/client/test_wayland_slide.cpp
--- a/autotests/client/test_wayland_slide.cpp
+++ b/autotests/client/test_wayland_slide.cpp
@@ -170,6 +170,12 @@
     QVERIFY(slideChanged.wait());
     QCOMPARE(serverSurface->slideOnShowHide()->location(), KWayland::Server::SlideInterface::Location::Top);
     QCOMPARE(serverSurface->slideOnShowHide()->offset(), 15);
+
+    // and destroy
+    QSignalSpy destroyedSpy(serverSurface->slideOnShowHide(), &QObject::destroyed);
+    QVERIFY(destroyedSpy.isValid());
+    delete slide;
+    QVERIFY(destroyedSpy.wait());
 }
 
 QTEST_GUILESS_MAIN(TestSlide)
diff --git a/src/server/slide_interface.cpp b/src/server/slide_interface.cpp
--- a/src/server/slide_interface.cpp
+++ b/src/server/slide_interface.cpp
@@ -148,7 +148,6 @@
     static void commitCallback(wl_client *client, wl_resource *resource);
     static void setLocationCallback(wl_client *client, wl_resource *resource, uint32_t location);
     static void setOffsetCallback(wl_client *client, wl_resource *resource, int32_t offset);
-    static void releaseCallback(wl_client *client, wl_resource *resource);
 
     SlideInterface *q_func() {
         return reinterpret_cast<SlideInterface *>(q);
@@ -162,7 +161,7 @@
     commitCallback,
     setLocationCallback,
     setOffsetCallback,
-    releaseCallback
+    resourceDestroyedCallback
 };
 #endif
 
@@ -188,13 +187,6 @@
     p->pendingOffset = offset;
 }
 
-void SlideInterface::Private::releaseCallback(wl_client *client, wl_resource *resource)
-{
-    Q_UNUSED(client)
-    Q_UNUSED(resource)
-    // TODO: implement
-}
-
 SlideInterface::Private::Private(SlideInterface *q, SlideManagerInterface *c, wl_resource *parentResource)
     : Resource::Private(q, c, parentResource, &org_kde_kwin_slide_interface, &s_interface)
 {