diff --git a/profiles/package.mask b/profiles/package.mask
index 45aeb641f1..6a8c50075f 100644
--- a/profiles/package.mask
+++ b/profiles/package.mask
@@ -18,6 +18,11 @@
 
 # New entries go on top.
 
+# Takuya Wakazono <pastalian46@gmai.com> (2024-06-02)
+# app-text/komikku no longer depends on this. No revdeps left.
+# Removal on 2024-07-02.
+dev-python/pure-protobuf
+
 # Julien Roy <julien@jroy.ca> (2024-05-31)
 # Several versions out of date, needs a maintainer
 # Masked for removal in 30 days