diff --git a/src/x11window.cpp b/src/x11window.cpp
index 8c270ed415..0bda136174 100644
--- a/src/x11window.cpp
+++ b/src/x11window.cpp
@@ -120,7 +120,6 @@ static uint32_t clientEventMask()
     } else {
         return XCB_EVENT_MASK_FOCUS_CHANGE
             | XCB_EVENT_MASK_PROPERTY_CHANGE
-            | XCB_EVENT_MASK_COLOR_MAP_CHANGE
             | XCB_EVENT_MASK_ENTER_WINDOW
             | XCB_EVENT_MASK_LEAVE_WINDOW
             | XCB_EVENT_MASK_KEY_PRESS