diff --git a/profiles/package.mask b/profiles/package.mask
index 63271e18860e4..4809bf50f58b9 100644
--- a/profiles/package.mask
+++ b/profiles/package.mask
@@ -32,6 +32,11 @@
 
 #--- END OF EXAMPLES ---
 
+# Jonas Stein <jstein@gentoo.org> (2021-03-27)
+# Upstream is gone. Open bugs. Removal after 2021-05-01.
+# Bug #778800
+x11-themes/nimbus
+
 # Jimi Huotari <chiitoo@gentoo.org> (2021-03-26)
 # No consumers since 2020-09-05 (dev-libs/liboobs), and no known
 # stand-alone use.