diff --git a/autotests/CMakeLists.txt b/autotests/CMakeLists.txt
index fed9f887a3..0ef6bcf926 100644
--- a/autotests/CMakeLists.txt
+++ b/autotests/CMakeLists.txt
@@ -207,8 +207,8 @@ target_link_libraries(testXkb
 
     XKB::XKB
 )
-#add_test(NAME kwin-testXkb COMMAND testXkb)
-#ecm_mark_as_test(testXkb)
+add_test(NAME kwin-testXkb COMMAND testXkb)
+ecm_mark_as_test(testXkb)
 
 ########################################################
 # Test FTrace
diff --git a/autotests/integration/CMakeLists.txt b/autotests/integration/CMakeLists.txt
index 14badaa5ae..5bc15f0502 100644
--- a/autotests/integration/CMakeLists.txt
+++ b/autotests/integration/CMakeLists.txt
@@ -117,7 +117,7 @@ integrationTest(NAME testPlasmaWindow SRCS plasmawindow_test.cpp LIBS XCB::ICCCM
 integrationTest(NAME testX11DesktopWindow SRCS desktop_window_x11_test.cpp LIBS XCB::ICCCM)
 integrationTest(NAME testXwaylandInput SRCS xwayland_input_test.cpp LIBS XCB::ICCCM)
 integrationTest(NAME testWindowRules SRCS window_rules_test.cpp LIBS XCB::ICCCM)
-#integrationTest(NAME testX11Window SRCS x11_window_test.cpp LIBS XCB::ICCCM)
+integrationTest(NAME testX11Window SRCS x11_window_test.cpp LIBS XCB::ICCCM)
 integrationTest(NAME testQuickTiling SRCS quick_tiling_test.cpp LIBS XCB::ICCCM KDecoration2::KDecoration)
 integrationTest(NAME testGlobalShortcuts SRCS globalshortcuts_test.cpp LIBS XCB::ICCCM KF6::GlobalAccel KF6::I18n XKB::XKB)
 integrationTest(NAME testStackingOrder SRCS stacking_order_test.cpp LIBS XCB::ICCCM)