diff --git a/Doc/changelog.docu b/Doc/changelog.docu
index 448bf42d..d6dc1bc4 100644
--- a/Doc/changelog.docu
+++ b/Doc/changelog.docu
@@ -38,6 +38,7 @@
- Added clean_keep_reservation() (remove all elements from the mesh but keeps the properties. In contrast to clean() the memory used for the elements will remain allocated
- Reduced number of include statements to speedup compilation
+- Removed unused member variable next_cache_count_ member of PolyConnectivity and made it local
General