diff --git a/src/protocols/XDGActivation.cpp b/src/protocols/XDGActivation.cpp
index 165bcd7e..f25ffca8 100644
--- a/src/protocols/XDGActivation.cpp
+++ b/src/protocols/XDGActivation.cpp
@@ -1,7 +1,6 @@
 #include "XDGActivation.hpp"
 #include "../managers/TokenManager.hpp"
 #include "../Compositor.hpp"
-#include "../managers/SeatManager.hpp"
 #include "core/Compositor.hpp"
 #include <algorithm>
 
@@ -24,12 +23,6 @@ CXDGActivationToken::CXDGActivationToken(SP<CXdgActivationTokenV1> resource_) :
             return;
         }
 
-        if (!g_pSeatManager->serialValid(g_pSeatManager->seatResourceForClient(m_resource->client()), m_serial)) {
-            LOGM(LOG, "serial not found, sending invalid token");
-            m_resource->sendDone("__invalid__");
-            return;
-        }
-
         m_committed = true;
         // send done with a new token
         m_token = g_pTokenManager->registerNewToken({}, std::chrono::months{12});