diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0ee9154..597a7de 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -91,7 +91,7 @@ install(FILES ${CMAKE_BINARY_DIR}/dbusmenu-${QT_SUFFIX}.pc
 
 add_subdirectory(src)
 if (NOT USE_QT5) # TODO port tests to Qt5
-add_subdirectory(tests)
+#add_subdirectory(tests)
 endif()
 add_subdirectory(tools)
 
diff --git a/src/dbusmenuexporter.cpp b/src/dbusmenuexporter.cpp
index f25718d..8868efb 100644
--- a/src/dbusmenuexporter.cpp
+++ b/src/dbusmenuexporter.cpp
@@ -160,7 +160,9 @@ void DBusMenuExporterPrivate::fillLayoutItem(DBusMenuLayoutItem *item, QMenu *me
         Q_FOREACH(QAction *action, menu->actions()) {
             int actionId = m_idForAction.value(action, -1);
             if (actionId == -1) {
+#ifndef QT_NO_DEBUG
                 DMWARNING << "No id for action";
+#endif
                 continue;
             }
 
@@ -185,7 +187,9 @@ void DBusMenuExporterPrivate::addAction(QAction *action, int parentId)
 {
     int id = m_idForAction.value(action, -1);
     if (id != -1) {
+#ifndef QT_NO_DEBUG
         DMWARNING << "Already tracking action" << action->text() << "under id" << id;
+#endif
         return;
     }
     QVariantMap map = propertiesForAction(action);
diff --git a/src/dbusmenuimporter.cpp b/src/dbusmenuimporter.cpp
index 2a4c514..2f03729 100644
--- a/src/dbusmenuimporter.cpp
+++ b/src/dbusmenuimporter.cpp
@@ -94,7 +94,9 @@ public:
     QDBusPendingCallWatcher *refresh(int id)
     {
         #ifdef BENCHMARK
+#ifndef QT_NO_DEBUG
         DMDEBUG << "Starting refresh chrono for id" << id;
+#endif
         sChrono.start();
         #endif
         QDBusPendingCall call = m_interface->asyncCall("GetLayout", id, 1, QStringList());
@@ -193,7 +195,9 @@ public:
             updateActionShortcut(action, value);
         } else if (key == "children-display") {
         } else {
+#ifndef QT_NO_DEBUG
             DMWARNING << "Unhandled property update" << key;
+#endif
         }
     }
 
@@ -241,7 +245,9 @@ public:
         action->setProperty(DBUSMENU_PROPERTY_ICON_DATA_HASH, dataHash);
         QPixmap pix;
         if (!pix.loadFromData(data)) {
+#ifndef QT_NO_DEBUG
             DMWARNING << "Failed to decode icon-data property for action" << action->text();
+#endif
             action->setIcon(QIcon());
             return;
         }
@@ -312,7 +318,9 @@ public:
         }
 
         if (watcher->isError()) {
+#ifndef QT_NO_DEBUG
             DMWARNING << watcher->error().message();
+#endif
             return false;
         }
 
@@ -436,18 +444,24 @@ void DBusMenuImporter::slotGetLayoutFinished(QDBusPendingCallWatcher *watcher)
 
     QDBusPendingReply<uint, DBusMenuLayoutItem> reply = *watcher;
     if (!reply.isValid()) {
+#ifndef QT_NO_DEBUG
         DMWARNING << reply.error().message();
+#endif
         return;
     }
 
     #ifdef BENCHMARK
+#ifndef QT_NO_DEBUG
     DMDEBUG << "- items received:" << sChrono.elapsed() << "ms";
+#endif
     #endif
     DBusMenuLayoutItem rootItem = reply.argumentAt<1>();
 
     QMenu *menu = d->menuForId(parentId);
     if (!menu) {
+#ifndef QT_NO_DEBUG
         DMWARNING << "No menu for id" << parentId;
+#endif
         return;
     }
 
@@ -474,7 +488,9 @@ void DBusMenuImporter::slotGetLayoutFinished(QDBusPendingCallWatcher *watcher)
         }
     }
     #ifdef BENCHMARK
+#ifndef QT_NO_DEBUG
     DMDEBUG << "- Menu filled:" << sChrono.elapsed() << "ms";
+#endif
     #endif
 }
 
@@ -513,7 +529,9 @@ void DBusMenuImporter::slotMenuAboutToShow()
     QPointer<QObject> guard(this);
 
     if (!d->waitForWatcher(watcher, ABOUT_TO_SHOW_TIMEOUT)) {
+#ifndef QT_NO_DEBUG
         DMWARNING << "Application did not answer to AboutToShow() before timeout";
+#endif
     }
 
     #ifdef BENCHMARK
@@ -541,7 +559,9 @@ void DBusMenuImporter::slotAboutToShowDBusCallFinished(QDBusPendingCallWatcher *
 
     QDBusPendingReply<bool> reply = *watcher;
     if (reply.isError()) {
+#ifndef QT_NO_DEBUG
         DMWARNING << "Call to AboutToShow() failed:" << reply.error().message();
+#endif
         return;
     }
     bool needRefresh = reply.argumentAt<0>();
@@ -553,7 +573,9 @@ void DBusMenuImporter::slotAboutToShowDBusCallFinished(QDBusPendingCallWatcher *
         d->m_idsRefreshedByAboutToShow << id;
         watcher = d->refresh(id);
         if (!d->waitForWatcher(watcher, REFRESH_TIMEOUT)) {
+#ifndef QT_NO_DEBUG
             DMWARNING << "Application did not refresh before timeout";
+#endif
         }
     }
 }
diff --git a/src/debug_p.h b/src/debug_p.h
index bff37bd..ecdd3a5 100644
--- a/src/debug_p.h
+++ b/src/debug_p.h
@@ -36,12 +36,10 @@
 #define DMVAR(var) DMDEBUG << #var ":" << var
 
 #define DMRETURN_IF_FAIL(cond) if (!(cond)) { \
-    DMWARNING << "Condition failed: " #cond; \
     return; \
 }
 
 #define DMRETURN_VALUE_IF_FAIL(cond, value) if (!(cond)) { \
-    DMWARNING << "Condition failed: " #cond; \
     return (value); \
 }