diff --git a/gms/CMakeLists.txt b/gms/CMakeLists.txt
index ba35c244e0..fb34828927 100644
--- a/gms/CMakeLists.txt
+++ b/gms/CMakeLists.txt
@@ -3,8 +3,8 @@ target_sources(gms
   PRIVATE
     application_state.cc
     endpoint_state.cc
-    failure_detector.cc
     feature_service.cc
+    generation-number.cc
     gossip_digest_ack2.cc
     gossip_digest_ack.cc
     gossip_digest_syn.cc