diff --git a/profiles/package.mask b/profiles/package.mask
index fbbbacc46472f..5728633ec13cc 100644
--- a/profiles/package.mask
+++ b/profiles/package.mask
@@ -33,6 +33,12 @@
 
 #--- END OF EXAMPLES ---
 
+# Michał Górny <mgorny@gentoo.org> (2023-02-01)
+# Requires legacy setuptools backend.  Hacky build system.  The only
+# revdep is dev-python/rdflib where it is entirely optional.
+# Removal on 2023-03-03.  Bug #892854.
+dev-python/berkeleydb
+
 # Andreas Sturmlechner <asturm@gentoo.org> (2023-02-01)
 # >=5.1 series uses vanilla llvm/clang instead of forked versions.
 # Removal on 2023-03-02