diff --git a/.buildlibrary b/.buildlibrary
index f8ba55c0..457a11b7 100644
--- a/.buildlibrary
+++ b/.buildlibrary
@@ -1,4 +1,4 @@
-ValidationKey: '30512004'
+ValidationKey: '30533550'
 AutocreateReadme: yes
 AcceptedWarnings:
 - 'Warning: package .* was built under R version'
diff --git a/CITATION.cff b/CITATION.cff
index d375d1be..e1350f68 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -2,8 +2,8 @@ cff-version: 1.2.0
 message: If you use this software, please cite it using the metadata from this file.
 type: software
 title: 'mrmagpie: madrat based MAgPIE Input Data Library'
-version: 1.52.4
-date-released: '2024-10-25'
+version: 1.52.5
+date-released: '2024-10-26'
 abstract: Provides functions for MAgPIE country and cellular input data generation.
 authors:
 - family-names: Karstens
diff --git a/DESCRIPTION b/DESCRIPTION
index da3a4415..fdef095a 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,8 +1,8 @@
 Type: Package
 Package: mrmagpie
 Title: madrat based MAgPIE Input Data Library
-Version: 1.52.4
-Date: 2024-10-25
+Version: 1.52.5
+Date: 2024-10-26
 Authors@R: c(
     person("Kristine", "Karstens", , "karstens@pik-potsdam.de", role = c("aut", "cre")),
     person("Jan Philipp", "Dietrich", , "dietrich@pik-potsdam.de", role = "aut"),
diff --git a/R/calcAgeClassDistribution.R b/R/calcAgeClassDistribution.R
index f153d23c..8f5a9d01 100644
--- a/R/calcAgeClassDistribution.R
+++ b/R/calcAgeClassDistribution.R
@@ -42,7 +42,7 @@ calcAgeClassDistribution <- function(cells = "lpjcell") {
   }
 
   return(list(x = out,
-              weight = cellArea,
+              weight = NULL,
               unit = "Mha",
               description = "Forest area in 15 age classes based the Global Forest Age
                 Dataset (GFAD) from Poulter et al. 2019",
diff --git a/README.md b/README.md
index b9889199..3392c912 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # madrat based MAgPIE Input Data Library
 
-R package **mrmagpie**, version **1.52.4**
+R package **mrmagpie**, version **1.52.5**
 
 [![CRAN status](https://www.r-pkg.org/badges/version/mrmagpie)](https://cran.r-project.org/package=mrmagpie) [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.4319612.svg)](https://doi.org/10.5281/zenodo.4319612) [![R build status](https://github.com/pik-piam/mrmagpie/workflows/check/badge.svg)](https://github.com/pik-piam/mrmagpie/actions) [![codecov](https://codecov.io/gh/pik-piam/mrmagpie/branch/master/graph/badge.svg)](https://app.codecov.io/gh/pik-piam/mrmagpie) [![r-universe](https://pik-piam.r-universe.dev/badges/mrmagpie)](https://pik-piam.r-universe.dev/builds)
 
@@ -39,7 +39,7 @@ In case of questions / problems please contact Kristine Karstens <karstens@pik-p
 
 To cite package **mrmagpie** in publications use:
 
-Karstens K, Dietrich J, Chen D, Windisch M, Alves M, Beier F, Köberle A, v. Jeetze P, Mishra A, Humpenoeder F, Sauer P (2024). _mrmagpie: madrat based MAgPIE Input Data Library_. doi:10.5281/zenodo.4319612 <https://doi.org/10.5281/zenodo.4319612>, R package version 1.52.4, <https://github.com/pik-piam/mrmagpie>.
+Karstens K, Dietrich J, Chen D, Windisch M, Alves M, Beier F, Köberle A, v. Jeetze P, Mishra A, Humpenoeder F, Sauer P (2024). _mrmagpie: madrat based MAgPIE Input Data Library_. doi:10.5281/zenodo.4319612 <https://doi.org/10.5281/zenodo.4319612>, R package version 1.52.5, <https://github.com/pik-piam/mrmagpie>.
 
 A BibTeX entry for LaTeX users is
 
@@ -48,7 +48,7 @@ A BibTeX entry for LaTeX users is
   title = {mrmagpie: madrat based MAgPIE Input Data Library},
   author = {Kristine Karstens and Jan Philipp Dietrich and David Chen and Michael Windisch and Marcos Alves and Felicitas Beier and Alexandre Köberle and Patrick {v. Jeetze} and Abhijeet Mishra and Florian Humpenoeder and Pascal Sauer},
   year = {2024},
-  note = {R package version 1.52.4},
+  note = {R package version 1.52.5},
   url = {https://github.com/pik-piam/mrmagpie},
   doi = {10.5281/zenodo.4319612},
 }