diff --git a/dev-ml/base_bigstring/Manifest b/dev-ml/base_bigstring/Manifest
index 608e4ee6ab23..83aaa0f26db9 100644
--- a/dev-ml/base_bigstring/Manifest
+++ b/dev-ml/base_bigstring/Manifest
@@ -1,3 +1,2 @@
-DIST base_bigstring-0.15.0.tar.gz 17266 BLAKE2B f557fd8d46ad33afb89f50f914c76b287b19c8ee33a620c6a1def5379d59dd7f73b531c4077a3c7ce9e2cefbf6f71c7e49b3dd21213c68507bd19b0c90c44bf5 SHA512 d8311312ea1b3dc3a1a30c87ba4984438ca2c81f8da9cbb7f111dd74fb9b16ad8226166ae2fc2b572a989af15099b07294a667646b0ab22130de4406da53230b
 DIST base_bigstring-0.16.0.tar.gz 19275 BLAKE2B 380b82c397f8cc8ddc6c5d33ebab13845eedbafc8c479eb2a03289d0bea929a0b442363729f706d0ff886f1686ee2b7e31aac97e3f7477809f13a5b0eebcdccc SHA512 95297f201ed8229feb974e6389f2aa955391d4716d6bc81b9b8ea06daf2722a950bd623fd35267fcbcde064ec49a5e06f51ef5b12f5c30793da937ca1c3c8bf5
 DIST base_bigstring-0.17.0.tar.gz 20840 BLAKE2B 453ce6b9f794b013a8456fccd1d5ada237e88aac558d996c546cefb1318b33081da9ef76e08a95083a1e42192463e87ea8345be33d84bee83bc85bdf75f9a611 SHA512 8787dd092d2fc15c19002837bde91e0d86a23dfbff7aa34a6c51ec9fabfc7e66b9816986e9c7075a283dfe8b670e552968c979d7c9bd20f0543e85c1b42e54f2
diff --git a/dev-ml/base_bigstring/base_bigstring-0.15.0-r1.ebuild b/dev-ml/base_bigstring/base_bigstring-0.15.0-r1.ebuild
deleted file mode 100644
index 91ee8b8951cd..000000000000
--- a/dev-ml/base_bigstring/base_bigstring-0.15.0-r1.ebuild
+++ /dev/null
@@ -1,21 +0,0 @@
-# Copyright 1999-2023 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-inherit dune
-
-DESCRIPTION="String type based on Bigarray, for use in I/O and C-bindings"
-HOMEPAGE="https://github.com/janestreet/base_bigstring"
-SRC_URI="https://github.com/janestreet/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
-
-LICENSE="MIT"
-SLOT="0/$(ver_cut 1-2)"
-KEYWORDS="amd64 arm arm64 ~ppc ~ppc64 ~riscv x86"
-IUSE="+ocamlopt"
-
-DEPEND="
-	dev-ml/base:=
-	dev-ml/int_repr:${SLOT}
-"
-RDEPEND="${DEPEND}"