diff --git a/profiles/package.mask b/profiles/package.mask
index 750f2c05e5b30..d9a11d3332d62 100644
--- a/profiles/package.mask
+++ b/profiles/package.mask
@@ -767,11 +767,6 @@ dev-python/fb-re2
 # Removal on 2024-03-15.  Bug #922925.
 net-dns/odsclient
 
-# Michał Górny <mgorny@gentoo.org> (2024-02-14)
-# Data for removed sci-astronomy/casacore.  No other revdeps.
-# Removal on 2024-03-15.  Bug #923954.
-sci-astronomy/casa-data
-
 # Ulrich Müller <ulm@gentoo.org> (2024-02-08)
 # Masked for testing.
 # Test failure in watchpoints.dem, undefined function FresnelC.
diff --git a/sci-astronomy/casa-data/Manifest b/sci-astronomy/casa-data/Manifest
deleted file mode 100644
index f9d7b3a1628dd..0000000000000
--- a/sci-astronomy/casa-data/Manifest
+++ /dev/null
@@ -1 +0,0 @@
-DIST casa-data-20170703.tar.Z 12421015 BLAKE2B 324dd4174f80bdf192de0ec8c12125304a9dd85b6bf64b4386053ec65bab4aa98417bf69f38eae64e4bfacfa4a6479cc6fded13fd0c8edfcbd3eb8aec537c815 SHA512 dc0de856da4146ed356fbfcb522b427bb6a66fb08affdf0bfe803b21305ac37eff9b1790ede58acc993df2f22d620982f10b42f631457258d1620702c10d87b1
diff --git a/sci-astronomy/casa-data/casa-data-20170703.ebuild b/sci-astronomy/casa-data/casa-data-20170703.ebuild
deleted file mode 100644
index b4d8eb48b3c2f..0000000000000
--- a/sci-astronomy/casa-data/casa-data-20170703.ebuild
+++ /dev/null
@@ -1,20 +0,0 @@
-# Copyright 1999-2021 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=6
-
-MYPN=WSRT_Measures
-
-DESCRIPTION="Data and tables for the CASA software"
-HOMEPAGE="https://github.com/casacore/casacore/"
-SRC_URI="ftp://ftp.astron.nl/outgoing/Measures/${MYPN}_${PV}-000001.ztar -> ${P}.tar.Z"
-S="${WORKDIR}"
-
-LICENSE="LGPL-3"
-SLOT="0"
-KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
-
-src_install() {
-	insinto /usr/share/casa/data
-	doins -r *
-}
diff --git a/sci-astronomy/casa-data/metadata.xml b/sci-astronomy/casa-data/metadata.xml
deleted file mode 100644
index 0f317f26f3521..0000000000000
--- a/sci-astronomy/casa-data/metadata.xml
+++ /dev/null
@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
-<pkgmetadata>
-	<maintainer type="project">
-		<email>sci-astronomy@gentoo.org</email>
-		<name>Gentoo Astronomy Project</name>
-	</maintainer>
-	<longdescription lang="en">
-		Observatory tables, ephemerides and other software data related to
-		the Common Astronomy Software Applications (CASA) suite.
-	</longdescription>
-	<upstream>
-		<remote-id type="github">casacore/casacore</remote-id>
-	</upstream>
-</pkgmetadata>